SDM Administrative Messages

SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1528Z WED FEB 04 2026


MDS STATUS...
GOES-W MDS Sector 1 is centered over 39N/120W (the default
location) until 10/1200Z in support of SEAR event activities for
MTR.

The 12Z NCEP model production suite continues to run on time with
9 Alaskan..26 Canadian..48 CONUS..12 Mexican..8 Caribbean..and 9
Pacific stations available for ingest.

12Z GFS RAOB RECAP...
70414/SYA - No report
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72558/OAX - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10158
70261/FAI - 10159
70308/SNP - 10159
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
76679/MEX - 10142
76692/HYY - Part A Missing for NAM, in for GFS
78384/GCM - Part B Missing for NAM, in for GFS


Renkevens/SDM/NCO/NCEP
SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1401Z WED FEB 04 2026

...SPOT FAILOVER AND OUTAGE AT 1600Z...

NCO Onboarding will migrate the SPOT from College Park to Boulder
at 1600Z to support the implementation of a new version of the
SPOT application. There will be an outage of up to 15 minutes
during the failover.


Renkevens/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1343Z WED FEB 04 2026

The 12Z NCEP model production suite has started and is running on
time with 9 Alaskan..26 Canadian..48 CONUS..12 Mexican..8
Caribbean..and 9 Pacific stations available for ingest.

12Z NAM RAOB RECAP...
70414/SYA - No report
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72558/OAX - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10158
70261/FAI - 10159
70308/SNP - 10159
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
76679/MEX - 10142
76692/HYY - Part A Missing
78384/GCM - Part B Missing


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0900Z WED FEB 04 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is not expected in the next 3 days.

CRITICAL WEATHER OUTLOOK...
Wednesday - None.
Thursday - None.
Friday - None.


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0254Z WED FEB 04 2026

The 00Z NCEP model production continues to run on
time.

00Z UPDATED RAOB RECAP...
70133/OTZ - 10159..
70200/OME - 10158..
70308/SNP - 10159..
72274/TWC - 10159..
72776/TFX - 10159..
72786/OTX - 10159..
76405/LAP - 10158..
76458/MZT - 10142..
74389/GYX - Short to 761mb..
70261/FAI - No report for NAM.. in for GFS.
70414/SYA - No report..
72645/GRB - No report..
72764/BIS - No report..

There were 30 dropsondes available at 00Z from Pacific AR
recon missions.


Green/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0126Z WED FEB 04 2026

The 00Z NCEP model production has started and is running
on time.

00Z NAM RAOB RECAP...
70133/OTZ - 10159..
70200/OME - 10158..
70308/SNP - 10159..
72274/TWC - 10159..
72776/TFX - 10159..
72786/OTX - 10159..
76405/LAP - 10158..
76458/MZT - 10142..
74389/GYX - Short to 761mb..
70261/FAI - No report..
70414/SYA - No report..
72645/GRB - No report..
72764/BIS - No report..

There were 8 Alaskan..25 Canadian..63 CONUS..2 Mexican
5 Caribbean..and 9 Pacific stations available for ingest.

Green/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2045Z TUE FEB 03 2026

...SPOT FAILOVER AND OUTAGE TOMORROW 02/04 AT 1600Z...

NCO Onboarding will migrate the SPOT from CPRK to BLDR
tomorrow (02/04) at 1600Z to support the implementation of
a new version of the SPOT application. There will be an outage
of up to 15 minutes during the failover.


Green/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1730Z TUE FEB 03 2026

...IRIS FAILOVER PLANNED...

A site failover of IRIS/iNWS application from College Park to
Boulder will occur today 03 Feb at 1930 UTC. During this failover
the IRIS web site will be unavailable for up to 30 minutes.
Watches and warnings delivered via iNWS texts and emails will be
delayed by roughly 5 minutes.


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1510Z TUE FEB 03 2026

The 12Z NCEP model production suite continues to run on time with
8 Alaskan..24 Canadian..48 CONUS..14 Mexican..9 Caribbean..and 9
Pacific stations available for ingest.

12Z GFS RAOB RECAP...
70414/SYA - No report
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72493/OAK - No report
72558/OAX - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10158
70261/FAI - 10159
70308/SNP - 10159
70326/AKN - 10142
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
78954/BGI - Purged temps/moisture at 857-850mb... wet bulb effect
72632/DTX - Purged temps/moisture at 811-809mb... wet bulb effect
76595/CUN - Purged temps/moisture at 760-756mb... wet bulb effect
72712/CAR - Purged winds at 706, 227, 206, 155, 148, 140, 135,
100mb... spurious data
72528/BUF - Purged temps/moisture at 786-764mb... wet bulb effect


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1340Z TUE FEB 03 2026

The 12Z NCEP model production suite has started and is running on
time with 8 Alaskan..24 Canadian..48 CONUS..14 Mexican..9
Caribbean..and 9 Pacific stations available for ingest.

12Z NAM RAOB RECAP...
70414/SYA - No report
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72493/OAK - No report
72558/OAX - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10158
70261/FAI - 10159
70308/SNP - 10159
70326/AKN - 10142
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
78954/BGI - Purged temps/moisture at 857-850mb... wet bulb effect
72632/DTX - Purged temps/moisture at 811-809mb... wet bulb effect
76595/CUN - Purged temps/moisture at 760-756mb... wet bulb effect
72712/CAR - Purged winds at 706, 227, 206, 155, 148, 140, 135,
100mb... spurious data


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0840Z TUE FEB 03 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is not expected in the next 3 days.

CRITICAL WEATHER OUTLOOK...
Tuesday - None.
Wednesday - None.
Thursday - None.


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0257Z TUE FEB 03 2026

The 00Z NCEP model production continues to run on time.

00Z UPDATED RAOB RECAP...
70133/OTZ - 10159..
70200/OME - 10158..
70308/SNP - 10159..
70326/AKN - 10159..
72233/LIX - 10159..
72274/TWC - 10159..
72363/AMA - 10159..
72672/RIW - 10158..
72776/TFX - 10159..
72786/OTX - 10159..
70261/FAI - No report.. 10140.
70414/SYA - No report..
72251/CRP - No report for NAM.. in for GFS.
72645/GRB - No report..
72764/BIS - No report..
72694/SLE - Missing TTBB for NAM.. in for GFS.

There were 50 dropsondes available at 00Z from Pacific AR
recon missions conducted by the US Air Force and NOAA.

Green/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0131Z TUE FEB 03 2026

The 00Z NCEP model production has started and is running
on time.

00Z NAM RAOB RECAP...
70133/OTZ - 10159..
70200/OME - 10158..
70308/SNP - 10159..
70326/AKN - 10159..
72233/LIX - 10159..
72274/TWC - 10159..
72363/AMA - 10159..
72672/RIW - 10158..
72776/TFX - 10159..
72786/OTX - 10159..
70261/FAI - No report..
70414/SYA - No report..
72251/CRP - No report..
72645/GRB - No report..
72764/BIS - No report..
72694/SLE - Missing TTBB..

There were 8 Alaskan..23 Canadian..57 CONUS..1 Mexican
5 Caribbean..and 9 Pacific stations available for ingest.

Green/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1523Z MON FEB 02 2026

The 12Z NCEP model production continues to run on time with 9
Alaskan..24 Canadian..48 CONUS..14 Mexican..9 Caribbean..and 9
Pacific stations available for ingest.

12Z GFS RAOB RECAP...
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72489/REV - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
72558/OAX - No report


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1342Z MON FEB 02 2026

The 12Z NCEP model production suite has started and is running on
time with 9 Alaskan..24 Canadian..48 CONUS..14 Mexican..9
Caribbean..and 9 Pacific stations available for ingest.

12Z NAM RAOB RECAP...
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72489/REV - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
72558/OAX - No report


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0840Z MON FEB 02 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is not expected in the next 3 days.

CRITICAL WEATHER OUTLOOK...
Sunday - None.
Monday - None.
Tuesday - None.
Wednesday - None.


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0307Z MON FEB 02 2026

The 00Z NCEP model production suite continues to run on time.
There were 9 Alaskan..25 Canadian..59 CONUS..1 Mexican..
7 Caribbean..and 8 Pacific stations available for 00z GFS ingest.
There were also 49 dropsondes ingested from winter storm/AR
recon missions in the Atlantic and Pacific.

00Z UPDATED RAOB RECAP...
72293/NKX - no report for NAM/GFS
72645/GRB - no report for NAM/GFS
72764/BIS - no report for NAM/GFS
91334/TKK - no report for NAM/GFS
70133/OTZ - 10159
70200/OME - 10158
70261/FAI - 10159
70308/SNP - 10159
70326/AKN - 10159
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72493/OAK - 10159
72776/TFX - 10159
72786/OTX - 10159


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0140Z MON FEB 02 2026

The 00Z NCEP model production suite is currently running on time.

00Z NAM RAOB RECAP...
72293/NKX - no report
72645/GRB - no report
72764/BIS - no report
91334/TKK - no report
70133/OTZ - 10159
70200/OME - 10158
70261/FAI - 10159
70308/SNP - 10159
70326/AKN - 10159
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72493/OAK - 10159
72776/TFX - 10159
72786/OTX - 10159


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1342Z SUN FEB 01 2026

The 12Z NCEP model production suite is currently running on time.

12Z NAM RAOB RECAP...
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72489/REV - No report
72558/OAX - No report
72562/LBF - No report
72597/MFR - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10159
70308/SNP - 10159
70326/AKN - 10142
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72493/OAK - 10159
72582/LKN - 10159
72776/TFX - 10159
72786/OTX - 10159


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0900Z SUN FEB 01 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is not expected at this time. Enhanced
Caution continues through late Sunday in support of winter storm
ops across the southern Mid-Atlantic.

CRITICAL WEATHER OUTLOOK...
Saturday - Caution...Winter Storm.
Sunday - Caution...Winter Storm.
Monday - None.
Tuesday - None.


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0305Z SUN FEB 01 2026

The 00Z NCEP model production suite continues to run on time.
There were 10 Alaskan..24 Canadian..61 CONUS..2 Mexican..
7 Caribbean..and 9 Pacific stations available for 00z GFS ingest.
There were also 36 dropsondes ingested from winter storm/AR
recon missions in the Atlantic and Pacific.

00Z UPDATED RAOB RECAP...
72645/GRB - no report for NAM/GFS
72764/BIS - no report for NAM/GFS
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72233/LIX - 10159
72274/TWC - 10159
72776/TFX - 10159
72786/OTX - 10159


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0122Z SUN FEB 01 2026

The 00Z NCEP model production suite is currently running on time.

00Z NAM RAOB RECAP...
72645/GRB - no report
72764/BIS - no report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72233/LIX - 10159
72274/TWC - 10159
72776/TFX - 10159
72786/OTX - 10159


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1345Z SAT JAN 31 2026

The 12Z NCEP model production suite is currently running on time.

12Z NAM RAOB RECAP...
72202/MFL - No Report
72240/LCH - No Report
72248/SHV - No Report
72251/CRP - No Report
72365/ABQ - No Report
72476/GJT - No Report
72489/REV - No Report
72558/OAX - No Report
72562/LBF - No Report
72645/GRB - No Report
72662/UNR - No Report
74455/DVN - No Report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10142
72233/LIX - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0900Z SAT JAN 31 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is not expected at this time. Enhanced
Caution continues through late Sunday in support of winter storm
ops across the southern Appalachians and southern Mid-Atlantic.

CRITICAL WEATHER OUTLOOK...
Friday - Caution...Winter Storm.
Saturday - Caution...Winter Storm.
Sunday - Caution...Winter Storm.
Monday - None.


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0310Z SAT JAN 31 2026

00Z NCEP model production is running on time with 10 Alaskan...
24 Canadian...62 CONUS...1 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.  There were also
35 dropsondes available in support of WSR/AR recon.

UPDATED 00Z GFS RAOB RECAP...
78807/PCZ - Purged winds at 139-126mb...too fast.
72764/BIS - No report for the NAM/GFS.
72645/GRB - No report for the NAM/GFS.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
72233/LIX - 10159.
72274/TWC - 10159.
72776/TFX - 10159.
72786/OTX - 10159.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0141Z SAT JAN 31 2026

00Z NCEP model production started on time with 10 Alaskan...
24 Canadian...61 CONUS...1 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.  There were also
28 dropsondes available in support of WSR/AR recon.

00Z NAM RAOB RECAP...
78807/PCZ - Purged winds at 139-126mb...too fast.
72764/BIS - No report for the NAM.
72645/GRB - No report for the NAM.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
72233/LIX - 10159.
72274/TWC - 10159.
72776/TFX - 10159.
72786/OTX - 10159.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2150Z FRI JAN 30 2026

MDS STATUS...
GOES-W MDS Sector 1 will be centered over 14.2S/170.1W from
2116Z to 01/2100Z in support of heavy rain/flash flooding in
American Samoa.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1511Z FRI JAN 30 2026

The 12Z NCEP model production suite continues to run on time.

12Z UPDATED RAOB RECAP...
70326/AKN - 10142
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72274/TWC - No report
72365/ABQ - No report
72476/GJT - No report
72558/OAX - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72233/LIX - 10159
72363/AMA - 10159
72489/REV - 10154
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
76805/ACA - Short to 816mb


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1413Z FRI JAN 30 2026

The 12Z NCEP model production suite is currently running on time.

12Z NAM RAOB RECAP...
70326/AKN - No report
72202/MFL - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72274/TWC - No report
72365/ABQ - No report
72476/GJT - No report
72558/OAX - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72233/LIX - 10159
72363/AMA - 10159
72489/REV - 10154
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
76805/ACA - Short to 816mb


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0900Z FRI JAN 30 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is possible on Saturday/Sunday in support of
winter storm ops across the southern Appalachians and southern
Mid-Atlantic.

CRITICAL WEATHER OUTLOOK...
Thursday - None.
Friday - Caution...Winter Storm.
Saturday - Caution...Winter Storm.
Sunday - Caution...Winter Storm.


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0311Z FRI JAN 30 2026

00Z NCEP model production is running on time with 9 Alaskan...
26 Canadian...62 CONUS...2 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.  There were also
57 dropsondes available for winter storm/AR recon for the
00Z GFS.

UPDATED 00Z GFS RAOB RECAP...
78866/SXM - Purged temps/moisture 692-680mb...super-adiabatic
             lapse rates.
70414/SYA - No report for the NAM...10159 for the GFS.
72645/GRB - No report for the NAM/GFS.
72764/BIS - No report for the NAM/GFS.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
72233/LIX - 10159.
72274/TWC - 10159.
72776/TFX - 10159.
72786/OTX - 10159.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0138Z FRI JAN 30 2026

00Z NCEP model production started on time with 9 Alaskan...
26 Canadian...62 CONUS...2 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.  There were also
15 dropsondes available for winter storm/AR recon for the
00Z NAM.

00Z NAM RAOB RECAP...
78866/SXM - Purged temps/moisture 692-680mb...super-adiabatic
             lapse rates.
70414/SYA - No report for the NAM.
72645/GRB - No report for the NAM.
72764/BIS - No report for the NAM.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
72233/LIX - 10159.
72274/TWC - 10159.
72776/TFX - 10159.
72786/OTX - 10159.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1334Z THU JAN 29 2026

The 12Z NCEP model production suite is currently running on time.

12Z NAM RAOB RECAP...
72202/MFL - No report.
72240/LCH - No report.
72248/SHV - No report.
72251/CRP - No report.
72265/MAF - No report.
72274/TWC - No report.
72365/ABQ - No report.
72476/GJT - No report.
72558/OAX - No report.
72562/LBF - No report.
72645/GRB - No report.
72662/UNR - No report.
72786/OTX - No report.
74455/DVN - No report.
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72233/LIX - 10159
72363/AMA - 10159
72376/FGZ - 10158
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0900Z THU JAN 29 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is possible on Saturday in support of winter
storm ops across the southern Appalachians and southern
Mid-Atlantic.

CRITICAL WEATHER OUTLOOK...
Wednesday - None.
Thursday - None.
Friday - None.
Saturday - Possible CWD for potential major winter storm across
the southern Mid-Atlantic.

Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0313Z THU JAN 29 2026


The 00Z NCEP model production suite continues to run on time with
10 Alaskan..25 Canadian..61 CONUS..2 Mexican..7 Caribbean..and 9
Pacific stations available for ingest. Also, there were 25
dropsondes in the Pacific available for winter storm/AR recon.

00Z GFS RAOB RECAP...
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
72233/LIX - 10159
72274/TWC - 10159
72597/MFR - 10155
72776/TFX - 10159
72786/OTX - 10159
78970/POS - 10159


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0224Z THU JAN 29 2026

00Z NAM RAOB RECAP...


The 00Z NCEP model production suite has started and is running on
time with 10 Alaskan..25 Canadian..61 CONUS..2 Mexican..7
Caribbean..and 9 Pacific stations available for ingest. Also,
there were 6 dropsondes in the Pacific available for winter
storm/AR recon.

72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
72233/LIX - 10159
72274/TWC - 10159
72597/MFR - 10155
72776/TFX - 10159
72786/OTX - 10159
78970/POS - 10159


Renkevens/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0207Z THU JAN 29 2026

...RESTORED - NWS WIDE NETWORK ISSUES...

Known network issues began approximately 0140Z and were resolved
approximately 0200Z.

Please visit https://www.nco.ncep.noaa.gov/status/messages/
for further updates.

Renkevens/SDM/NCO/NCEP






SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0151Z THU JAN 29 2026

...NWS WIDE NETWORK ISSUES...

Known network issues began approximately 0140Z. Network staff are
engaged to resolve the issue.

Please visit https://www.nco.ncep.noaa.gov/status/messages/
for further updates.

Renkevens/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2105Z WED JAN 28 2026

MDS STATUS...
GOES-W MDS Sector 1 is centered over 14.2SN/170.1W until 30/2030Z
in support of heavy rain and flash flooding over American Samoa.


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1644Z WED JAN 28 2026

...TEST TEST TEST...

This is just a test. Please ignore.


SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1640Z WED JAN 28 2026

...TEST TEST TEST...

This is just a test. Please ignore.


SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1526Z WED JAN 28 2026

12Z NCEP model production is running on time with 11 Alaskan...
26 Canadian...49 CONUS...12 Mexican...8 Caribbean...and 8
Pacific stations available for ingest.

UPDATED 12Z GFS RAOB RECAP...
72202/MFL - No report for the NAM/GFS.
72240/LCH - No report for the NAM/GFS.
72248/SHV - No report for the NAM/GFS.
72251/CRP - No report for the NAM/GFS.
72365/ABQ - No report for the NAM/GFS.
72476/GJT - No report for the NAM/GFS.
72558/OAX - No report for the NAM/GFS.
72562/LBF - No report for the NAM/GFS.
72645/GRB - No report for the NAM/GFS.
72662/UNR - No report for the NAM/GFS.
74455/DVN - No report for the NAM/GFS.
91376/MAJ - No report for the NAM/GFS.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
72233/LIX - 10159.
72265/MAF - 10159.
72274/TWC - 10159.
72340/LZK - 10142...Ground equipment failure.
72363/AMA - 10159.
72582/LKN - 10159.
72597/MFR - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
78970/POS - 10159.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1342Z WED JAN 28 2026

12Z NCEP model production started on time with 11 Alaskan...
26 Canadian...49 CONUS...12 Mexican...8 Caribbean...and 8
Pacific stations available for ingest.

12Z NAM RAOB RECAP...
72202/MFL - No report for the NAM.
72240/LCH - No report for the NAM.
72248/SHV - No report for the NAM.
72251/CRP - No report for the NAM.
72365/ABQ - No report for the NAM.
72476/GJT - No report for the NAM.
72558/OAX - No report for the NAM.
72562/LBF - No report for the NAM.
72645/GRB - No report for the NAM.
72662/UNR - No report for the NAM.
74455/DVN - No report for the NAM.
91376/MAJ - No report for the NAM.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
72233/LIX - 10159.
72265/MAF - 10159.
72274/TWC - 10159.
72340/LZK - 10142...Ground equipment failure.
72363/AMA - 10159.
72582/LKN - 10159.
72597/MFR - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
78970/POS - 10159.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0855Z WED JAN 28 2026


CRITICAL WEATHER DAY STATUS...
Critical Weather Day is not expected in the next 3 days.

CRITICAL WEATHER OUTLOOK...
Wednesday - None.
Thursday - None.
Friday - None.



Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0314Z WED JAN 28 2026

The 00Z NCEP model production suite continues to run on time with
9 Alaskan..25 Canadian..62 CONUS..2 Mexican..7 Caribbean..and 9
Pacific stations available for ingest. Also, there were 51
dropsondes in the Pacific available for winter storm/AR recon.

00Z GFS RAOB RECAP...
72251/CRP - No report for NAM, in for GFS
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
70414/SYA - 10159
72233/LIX - 10159
72274/TWC - 10159
72776/TFX - 10159
72786/OTX - 10159
78970/POS - 10159
91413/YAP - Missing Part B for NAM, in for GFS


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0137Z WED JAN 28 2026


The 00Z NCEP model production suite has started and is running on
time with 9 Alaskan..25 Canadian..61 CONUS..2 Mexican..7
Caribbean..and 9 Pacific stations available for ingest. Also,
there were 16 dropsondes in the Pacific available for winter
storm/AR recon.

00Z NAM RAOB RECAP...
72251/CRP - No report
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
70414/SYA - 10159
72233/LIX - 10159
72274/TWC - 10159
72776/TFX - 10159
72786/OTX - 10159
78970/POS - 10159


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2047Z TUE JAN 27 2026

...18Z HIRESW DELAY...

Due to a failure of the 18Z HIRESW forecast, the 18Z HIRESW is
expected to be about 25 minutes.  The root cause of the failure
was a hardware issue on a node.

Please visit https://www.nco.ncep.noaa.gov/status/messages/
for further updates.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1536Z TUE JAN 27 2026

12Z NCEP model production is running on time with 10 Alaskan...
26 Canadian...49 CONUS...12 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.

UPDATED 12Z GFS RAOB RECAP...
70316/CDB - No report for the NAM...10142...Ground equipment
            failure for the GFS.
72202/MFL - No report for the NAM/GFS.
72240/LCH - No report for the NAM/GFS.
72248/SHV - No report for the NAM/GFS.
72251/CRP - No report for the NAM/GFS.
72365/ABQ - No report for the NAM/GFS.
72476/GJT - No report for the NAM/GFS.
72558/OAX - No report for the NAM/GFS.
72562/LBF - No report for the NAM/GFS.
72582/LKN - No report for the NAM/GFS.
72645/GRB - No report for the NAM/GFS.
72662/UNR - No report for the NAM/GFS.
74455/DVN - No report for the NAM/GFS.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
72265/MAF - 10159.
72274/TWC - 10159.
72363/AMA - 10159.
72489/REV - 10142...Ground equipment failure.
72597/MFR - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
76394/MTY - 10144...Power failure.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1407Z TUE JAN 27 2026

12Z NCEP model production started on time with 10 Alaskan...
26 Canadian...49 CONUS...12 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.

12Z NAM RAOB RECAP...
70316/CDB - No report for the NAM.
72202/MFL - No report for the NAM.
72240/LCH - No report for the NAM.
72248/SHV - No report for the NAM.
72251/CRP - No report for the NAM.
72365/ABQ - No report for the NAM.
72476/GJT - No report for the NAM.
72558/OAX - No report for the NAM.
72562/LBF - No report for the NAM.
72582/LKN - No report for the NAM.
72645/GRB - No report for the NAM.
72662/UNR - No report for the NAM.
74455/DVN - No report for the NAM.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
72265/MAF - 10159.
72274/TWC - 10159.
72363/AMA - 10159.
72489/REV - 10142...Ground equipment failure.
72597/MFR - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
76394/MTY - 10144...Power failure.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1211Z TUE JAN 27 2026

CRITICAL WEATHER DAY STATUS...
Critical Weather Day is not expected in the next 3 days.

CRITICAL WEATHER OUTLOOK...
Tuesday - None.
Wednesday - None.
Thursday - None.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0315Z TUE JAN 27 2026

The 00Z NCEP model production suite continues to run on time with
8 Alaskan..25 Canadian..64 CONUS..1 Mexican..7 Caribbean..and 9
Pacific stations available for ingest. Also, there were 22
dropsondes in the Pacific available for winter storm/AR recon.

00Z GFS RAOB RECAP...
70316/CDB - No report for NAM, 10142 for GFS
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
70414/SYA - 10159
72274/TWC - 10159
72776/TFX - 10159
72786/OTX - 10159


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0145Z TUE JAN 27 2026

The 00Z NCEP model production suite has started and is running on
time with 8 Alaskan..25 Canadian..64 CONUS..1 Mexican..7
Caribbean..and 9 Pacific stations available for ingest. Also,
there were 7 dropsondes in the Pacific available for winter
storm/AR recon.

00Z NAM RAOB RECAP...
70316/CDB - No report
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
70414/SYA - 10159
72274/TWC - 10159
72776/TFX - 10159
72786/OTX - 10159


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1807Z MON JAN 26 2026

...CRITICAL WEATHER DAY ENDED...

The Critical Weather Day in support of Winter Storm
Operations has ended as scheduled at 18Z Mon Jan 26 2026.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1530Z MON JAN 26 2026

12Z NCEP model production is running on time with 11 Alaskan...
24 Canadian...50 CONUS...14 Mexican...8 Caribbean...and 9
Pacific stations available for ingest.

12Z NAM RAOB RECAP...
72202/MFL - No report for the NAM/GFS.
72240/LCH - No report for the NAM/GFS.
72248/SHV - No report for the NAM/GFS.
72251/CRP - No report for the NAM/GFS.
72265/MAF - No report for the NAM/GFS.
72365/ABQ - No report for the NAM/GFS.
72476/GJT - No report for the NAM/GFS.
72558/OAX - No report for the NAM/GFS.
72562/LBF - No report for the NAM/GFS.
72645/GRB - No report for the NAM/GFS.
72662/UNR - No report for the NAM/GFS.
74455/DVN - No report for the NAM/GFS.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
72274/TWC - 10159.
72363/AMA - 10159.
72582/LKN - 10159.
72597/MFR - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
72318/RNK - Missing Parts TTAA/TTBB for the NAM...In for the
            GFS.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1341Z MON JAN 26 2026

12Z NCEP model production started on time with 11 Alaskan...
24 Canadian...50 CONUS...14 Mexican...6 Caribbean...and 9
Pacific stations available for ingest.

12Z NAM RAOB RECAP...
72202/MFL - No report for the NAM.
72240/LCH - No report for the NAM.
72248/SHV - No report for the NAM.
72251/CRP - No report for the NAM.
72265/MAF - No report for the NAM.
72365/ABQ - No report for the NAM.
72476/GJT - No report for the NAM.
72558/OAX - No report for the NAM.
72562/LBF - No report for the NAM.
72645/GRB - No report for the NAM.
72662/UNR - No report for the NAM.
74455/DVN - No report for the NAM.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
72274/TWC - 10159.
72363/AMA - 10159.
72582/LKN - 10159.
72597/MFR - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
72318/RNK - Missing Parts TTAA/TTBB for the NAM.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0904Z MON JAN 26 2026


CRITICAL WEATHER DAY STATUS...
Critical Weather Day continues until 18Z Mon Jan 26 in support of
winter weather operations from the Southern/Central Plains to the
East Coast.

CRITICAL WEATHER OUTLOOK...
Monday - Critical...Winter Storm.
Tuesday - None.
Wednesday - None.



Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0305Z MON JAN 26 2026


The 00Z GFS began and is running on time.  There were also 50
dropsondes available for winter storm/atmospheric river recon for
00Z GFS model ingest.


UPDATED 00Z RAOB RECAP...
78988/CUR - Purged temps/moisture at 131 mb...super-adiabatic
             lapse rate




Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0135Z MON JAN 26 2026


The 00Z NAM began and is running on time with 10 Alaskan...23
Canadian...63 CONUS...1 Mexican...6 Caribbean...and 9 Pacific
raobs available for ingest.


00Z NAM RAOB RECAP...
70133/OTZ - 10159
70308/SNP - 10159
70326/AKN - 10159
72786/OTX - 10159
78970/POS - 10159
70200/OME - 10158
72659/ABR - Short to 623 mb
72645/GRB - No report
72764/BIS - No report
72776/TFX - No report
91348/PNI - Purged temps/moisture at 843 mb, 813 mb, 771 mb,
             694 mb, and 211 mb...super-adiabatic lapse rate





Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2145Z SUN JAN 25 2026

MDS STATUS...
GOES-W MDS Sector 1 will be centered over 33.5N/101.5W until
26/1200Z in support of winter wx ops at LUB (local radar outage).


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1533Z SUN JAN 25 2026

The 12Z NCEP model production suite continues to run on time.
There were 10 Alaskan..24 Canadian..50 CONUS..12 Mexican..
6 Caribbean..and 9 Pacific stations available for 12Z GFS ingest.

UPDATED 12Z RAOB RECAP...
72251/CRP - no report for NAM..in for GFS


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1337Z SUN JAN 25 2026

The 12Z NCEP model production suite is currently running on time.

12Z NAM RAOB RECAP...
72202/MFL - no report
72206/JAX - no report
72248/SHV - no report
72251/CRP - no report
72265/MAF - no report
72365/ABQ - no report
72476/GJT - no report
72558/OAX - no report
72562/LBF - no report
72645/GRB - no report
72662/UNR - no report
74455/DVN - no report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70398/ANN - 10142
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
76394/MTY - 10144

MDS STATUS...
GOES-E MDS Sector 2 will be centered over 34N/85.3W until
26/1200Z in support of severe wx ops for the Gulf Coast.


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0904Z SUN JAN 25 2026


CRITICAL WEATHER DAY STATUS...
Critical Weather Day continues until 18Z Mon Jan 26 in support of
winter weather operations from the Southern/Central Plains to the
East Coast.

CRITICAL WEATHER OUTLOOK...
Sunday - Critical...Winter Storm.
Monday - Critical...Winter Storm.
Tuesday - None.



Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0350Z SUN JAN 25 2026


The 00Z GFS began and is running on time with 10 Alaskan...25
Canadian...63 CONUS...1 Mexican...6 Caribbean...and 9 Pacific
raobs available for ingest.  Also, there were 67 dropsondes
available for winter storm/AR recon for 00Z GFS model ingest.


UPDATED 00Z RAOB RECAP...
72572/SLC - Purged temps/moisture at 867 mb and 776
             mb...super-adiabatic lapse rate




Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0135Z SUN JAN 25 2026


The 00Z NAM began and is running on time with 10 Alaskan...25
Canadian...63 CONUS...1 Mexican...5 Caribbean...and 9 Pacific
raobs available for ingest.


00Z NAM RAOB RECAP...
70326/AKN - No report
72562/LBF - No report
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159...Unavailable
70308/SNP - 10159...Unavailable
72776/TFX - 10159...Unavailable
72786/OTX - 10159...Unavailable
70200/OME - 10158...Flight equipment failure




Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1805Z SAT JAN 24 2026

MDS STATUS...
GOES-E MDS Sector 2 will be centered over 36.2N/92W until
25/1200Z in support of winter wx ops across the mid-Mississippi
Valley.


Churchill/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1703Z SAT JAN 24 2026

...Degraded Digital and Graphical Weather.gov Pages...

NCO is aware of incomplete data and slowness on
digital.weather.gov and graphical.weather.gov webpages. NWS MDL
and the NOAA WOC have been engaged for further investigation.


Churchill/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1457Z SAT JAN 24 2026

The 12Z NCEP model production suite continues to run on time.
There were 11 Alaskan..25 Canadian..50 CONUS..14 Mexican..
7 Caribbean..and 9 Pacific stations available for 12Z GFS ingest.

12Z UPDATED RAOB RECAP...
72202/MFL - no report
72240/LCH - no report
72251/CRP - no report
72265/MAF - no report
72365/ABQ - no report
72476/GJT - no report
72558/OAX - no report
72562/LBF - no report
72645/GRB - no report
72662/UNR - no report
74455/DVN - no report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
70361/YAK - short to 619.5mb  for NAM.. full report in for GFS
76458/MZT - short to 534.0mb


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1327Z SAT JAN 24 2026

The 12Z NCEP model production suite is currently running on time.

12Z NAM RAOB RECAP...
72202/MFL - no report
72240/LCH - no report
72251/CRP - no report
72265/MAF - no report
72365/ABQ - no report
72476/GJT - no report
72558/OAX - no report
72562/LBF - no report
72645/GRB - no report
72662/UNR - no report
74455/DVN - no report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
70361/YAK - short to 619.5mb
76458/MZT - short to 534.0mb


Churchill/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0857Z SAT JAN 24 2026


CRITICAL WEATHER DAY STATUS...
Critical Weather Day continues until 18Z Mon Jan 26 in support of
winter weather operations from the Southern/Central Plains to the
East Coast.

CRITICAL WEATHER OUTLOOK...
Saturday - Critical...Winter Storm.
Sunday - Critical...Winter Storm.
Monday - Critical...Winter Storm.



Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0336Z SAT JAN 24 2026

The 00Z NCEP model production suite continues to run on time.
There were 9 Alaskan...25 Canadian...63 CONUS...1 Mexican...7
Caribbean...and 9 Pacific stations available for 00Z GFS ingest.
Also, there were 33 dropsondes available for winter storm/AR
recon.

00Z UPDATED RAOB RECAP...
70326/AKN - No report
72305/MHX - No report for NAM; Available for GFS
72562/LBF - No report
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70414/SYA - 10145
72776/TFX - 10159
72786/OTX - 10159
78970/POS - 10159


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0148Z SAT JAN 24 2026

The 00Z NCEP model production suite is currently running on time.

00Z NAM RAOB RECAP...
70326/AKN - No report
72305/MHX - No report
72562/LBF - No report
72645/GRB - No report
72764/BIS - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70414/SYA - 10145
72776/TFX - 10159
72786/OTX - 10159
78970/POS - 10159


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2143Z FRI JAN 23 2026

MDS STATUS...

GOES-W Meso Sector 2 will remain centered over 14.3S/170.7W until
26/0000Z for continued support of excessive rainfall operations
in American Samoa.


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1330Z FRI JAN 23 2026

The 12Z NCEP model production suite has started and is running on
time. There were 11 Alaskan..26 Canadian..50 CONUS...14
Mexican..8 Caribbean..and 9 Pacific stations available for
ingest.

12Z NAM RAOB RECAP...
72202/MFL - no report
72240/LCH - no report
72251/CRP - no report
72365/ABQ - no report
72476/GJT - no report
72558/OAX - no report
72562/LBF - no report
72645/GRB - no report
72662/UNR - no report
72797/UIL - no report
74455/DVN - no report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159


Churchill/Green/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1200Z FRI JAN 23 2026

...CRITICAL WEATHER DAY DECLARED...

A Critical Weather Day (CWD) has been declared for...

* NWS Southern, Central, Eastern Regions
- START: 12Z Fri Jan 23 2026
- END: 18Z Mon Jan 26 2026
- REASON: Winter storm operations from the Southern Plains to the
East Coast.

* NCEP and NCF are also participating in this CWD to
  ensure a reliable flow of weather data.

All scheduled software/hardware/network changes for the
impacted offices will be postponed until the CWD has ended.
Any emergency changes will be evaluated and approved by
regional management officials or their designees. NWS offices
should contact their regional offices for further questions
about this CWD.

Please visit the CWD status page for more information:
https://www.nco.ncep.noaa.gov/status/cwd/


Churchill/Green/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0903Z FRI JAN 23 2026


CRITICAL WEATHER DAY STATUS...
Critical Weather Day is scheduled from 12Z Fri Jan 23 to 18Z Mon
Jan 26 in support of winter weather operations from the
Southern/Central Plains to the East Coast.

CRITICAL WEATHER OUTLOOK...
Friday - Critical...Winter Storm.
Saturday - Critical...Winter Storm.
Sunday - Critical...Winter Storm.




Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0323Z FRI JAN 23 2026

The 00Z NCEP model production suite continues to run on time.
There were 10 Alaskan..26 Canadian...64 CONUS...1 Mexican...7
Caribbean...and 9 Pacific stations available for 00Z GFS ingest.
Also, there were 10 dropsondes in the Gulf in support of winter
storm recon.  


00Z GFS RAOB RECAP...
72562/LBF - No Report
72645/GRB - No Report
72764/BIS - No Report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
72776/TFX - 10159
72786/OTX - 10159
72797/UIL - 10142
78970/POS - 10159
72202/MFL - Part A missing



Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0244Z FRI JAN 23 2026

...EMERGENCY CLOUDGIS MAINTENANCE COMPLETE...

Tonight's emergency change to CloudGIS has completed
successfully. Services have stabilized.


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0138Z FRI JAN 23 2026

The 00Z NCEP model production suite is currently running on time.

00Z NAM RAOB RECAP...
72562/LBF - No Report
72645/GRB - No Report
72764/BIS - No Report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
72776/TFX - 10159
72786/OTX - 10159
72797/UIL - 10142
78970/POS - 10159
72202/MFL - Part A missing


Gerhardt/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0008Z FRI JAN 23 2026

...EMERGENCY CLOUDGIS MAINTENANCE TONIGHT...

The NWS Cloud Team will implement an emergency change to CloudGIS
at 23/0200Z to handle increased load and stabilize the service. A
20 to 30 minute outage of CloudGIS is expected while restarts are
performed following the change.


Gerhardt/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2137Z THU JAN 22 2026

...CPC WEBSITE STABILIZED...
Reported slowness and inaccessibility issues with the CPC website
(cpc.ncep.noaa.gov) have stabilized. CPC web pages should now be
accessible.

MDS STATUS...
GOES-W MDS Sector 2 will be centered over 14.3S/170.7W from
23/0000Z to 24/0000Z in support of excessive rainfall ops at
American Samoa.


Churchill/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1617Z THU JAN 22 2026

...CPC WEBSITE ISSUES...

NCO is investigating an issue with the CPC website. The
website (cpc.ncep.noaa.gov) pages are slow to load and may
be inaccessible.


Green/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1512Z THU JAN 22 2026

MDS STATUS...
GOES-E MDS Sector 1 will be centered over 33.7N/104.1W from
23/0600Z to 24/1200Z in support of winter wx ops across portions
of the Southwest.

12Z UPDATED RAOB RECAP...
70133/OTZ - 10159..
70200/OME - 10158..
70308/SNP - 10159..
70326/AKN - 10159..
72274/TWC - 10159..
72363/AMA - 10159..
72582/LKN - 10159..
72597/MFR - 10159..
72776/TFX - 10159..
72786/OTX - 10159..
91165/LIH - 10159..
91285/ITO - 10159..
72202/MFL - No report..
72215/FFC - No report for NAM.. in for GFS.
72240/LCH - No report..
72251/CRP - No report..
72365/ABQ - No report..
72476/GJT - No report..
72493/OAK - No report..
72558/OAX - No report..
72562/LBF - No report..
72634/APX - No report for NAM.. in for GFS.
72645/GRB - No report..
72662/UNR - No report..
72797/UIL - No report..
74455/DVN - No report..
72393/VBG - Missing TTAA for NAM.. in for GFS.


Green/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1337Z THU JAN 22 2026

The 12Z NCEP model production has started and is
running on time.

12Z NAM RAOB RECAP...
70133/OTZ - 10159..
70200/OME - 10158..
70308/SNP - 10159..
70326/AKN - 10159..
72274/TWC - 10159..
72363/AMA - 10159..
72582/LKN - 10159..
72597/MFR - 10159..
72776/TFX - 10159..
72786/OTX - 10159..
91165/LIH - 10159..
91285/ITO - 10159..
72202/MFL - No report..
72215/FFC - No report..
72240/LCH - No report..
72251/CRP - No report..
72365/ABQ - No report..
72476/GJT - No report..
72493/OAK - No report..
72558/OAX - No report..
72562/LBF - No report..
72634/APX - No report..
72645/GRB - No report..
72662/UNR - No report..
72797/UIL - No report..
74455/DVN - No report..
72393/VBG - Missing TTAA..

There were 10 Alaskan..25 Canadian..49 CONUS..12 Mexican
8 Caribbean..and 7 Pacific stations available for ingest.

Green/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0858Z THU JAN 22 2026


CRITICAL WEATHER DAY STATUS...
Critical Weather Day is scheduled from 12Z Fri Jan 23 to 18Z Mon
Jan 26 in support of winter weather operations from the Southern
Plains to the East Coast.

CRITICAL WEATHER OUTLOOK...
Thursday - None.
Friday - Critical...Winter Storm.
Saturday - Critical...Winter Storm.




Ready/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0313Z THU JAN 22 2026

00Z NCEP model production is running on time with 9 Alaskan...
26 Canadian...63 CONUS...2 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.  There were also
24 dropsondes in the Pacific in support of winter storm
recon.

UPDATED 00Z GFS RAOB RECAP...
72562/LBF - No report for the NAM/GFS.
72645/GRB - No report for the NAM/GFS.
72764/BIS - No report for the NAM/GFS.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
70414/SYA - 10145...Unfavorable weather conditions.
72776/TFX - 10159.
72786/OTX - 10159.
72797/UIL - 10142...Ground equipment failure.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0135Z THU JAN 22 2026

00Z NCEP model production started on time with 9 Alaskan...
26 Canadian...63 CONUS...2 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.  There were also
20 dropsondes in the Pacific in support of winter storm
recon.

00Z NAM RAOB RECAP...
72562/LBF - No report for the NAM.
72645/GRB - No report for the NAM.
72764/BIS - No report for the NAM.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
70414/SYA - 10145...Unfavorable weather conditions.
72776/TFX - 10159.
72786/OTX - 10159.
72797/UIL - 10142...Ground equipment failure.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2223Z WED JAN 21 2026

...NCEP WEBSITE SLOWNESS - UPDATE...

The OPC, EMC, and NCO websites have returned to
normal operational performance.

The root cause of the slowness was due to an issue
with the CPC website.  The CPC website issue is ongoing,
and NCO continues to investigate.  To mitigate impacts
on the other NCEP websites, the CPC website has been
isolated to a separate web server.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2102Z WED JAN 21 2026

...NCEP WEBSITE SLOWNESS - UPDATE...

NCEP websites (CPC, OPC, EMC, and NCO) remain slow to load. NCO
continues to investigate.


Gerhardt/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2032Z WED JAN 21 2026

...CRITICAL WEATHER DAY DECLARED...

Critical Weather Day has been declared for...

* NWS Eastern, Southern, Central Regions
- START: 1200Z Fri Jan 23 2026
- END: 1800Z Mon Jan 26 2026
- REASON: Winter storm operations from the Southern Plains to the
East Coast.

* NCEP and NCF are also participating in this CWD to ensure a
  reliable flow of weather data.

All scheduled software/hardware/network changes for the
impacted offices will be postponed until the CWD has ended.
Any emergency changes will be evaluated and approved by
regional management officials or their designees. NWS offices
should contact their regional offices for further questions
about this CWD.

Please visit the CWD status page for more information:
https://www.nco.ncep.noaa.gov/status/cwd/



Gerhardt/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1816Z WED JAN 21 2026

...NCEP WEBSITE SLOWNESS...

NCO is aware and investigating intermittent slowness on the
following NCEP websites:
https://www.nco.ncep.noaa.gov/
https://www.cpc.ncep.noaa.gov/
https://ocean.weather.gov/
https://www.emc.ncep.noaa.gov/


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1800Z WED JAN 21 2026


...CRITICAL WEATHER DAY ENDED...

The Critical Weather Day in support of Space Weather Operations
has ended as scheduled.


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1530Z WED JAN 21 2026


MDS STATUS...

GOES-E Meso-1 will be centered over 41N/102W until 22/0600Z in
support of fire weather ops in the Plains.


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1413Z WED JAN 21 2026

The 12Z NCEP model production suite is currently running on time.

12Z NAM RAOB RECAP...
72202/MFL - No report
72210/TBW - No report
72240/LCH - No report
72248/SHV - No report
72251/CRP - No report
72365/ABQ - No report
72476/GJT - No report
72558/OAX - No report
72562/LBF - No report
72645/GRB - No report
72662/UNR - No report
74455/DVN - No report
70133/OTZ - 10159
70200/OME - 10158
70308/SNP - 10159
70326/AKN - 10159
70414/SYA - 10158
72274/TWC - 10159
72363/AMA - 10159
72582/LKN - 10159
72597/MFR - 10159
72776/TFX - 10159
72786/OTX - 10159
76394/MTY - 10144


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
1220Z WED JAN 21 2026

...WIDESPREAD AWOS OUTAGE - RESOLVED...

As of 0900Z, AWOS data has resumed. The root cause of the outage
is still pending from the FAA. 


Gerhardt/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0905Z WED JAN 21 2026

CRITICAL WEATHER DAY STATUS...
CWD is in effect until 1800Z Wed Jan 21 in support of space
weather operations. The need to extend CWD is due to continued
observed severe geomagnetic activity.

CRITICAL WEATHER OUTLOOK...
Wednesday - Critical...Space Weather.
Thursday - None.
Friday - Possible CWD for widespread winter wx from the Southern
Plains through the Tennessee Valley.


Renkevens/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0849Z WED JAN 21 2026

CRITICAL WEATHER DAY STATUS...
CWD is in effect until 1800Z Wed Jan 21 in support of space
weather operations. The need to extend CWD is due to continued
observed severe geomagnetic activity.

CRITICAL WEATHER OUTLOOK...
Wednesday - Critical...Space Weather.
Thursday - None.
Friday - None.


Renkevens/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0537Z WED JAN 21 2026

...CRITICAL WEATHER DAY UPDATED...

Critical Weather Day has been updated for...

- START: 1000Z Mon Jan 19 2026
- END: 1800Z Wed Jan 21 2026
- REASON: Space Weather ops, with ongoing G3 (Moderate) and a
forecast of greater Geomagnetic Storm activity.

* NCEP and NCF are also participating in this CWD to ensure a
  reliable flow of weather data.

All scheduled software/hardware/network changes for the
impacted offices will be postponed until the CWD has ended.
Any emergency changes will be evaluated and approved by
regional management officials or their designees. NWS offices
should contact their regional offices for further questions
about this CWD.

Please visit the CWD status page for more information:
https://www.nco.ncep.noaa.gov/status/cwd/


Renkevens/SDM/NCO/NCEP





SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0321Z WED JAN 21 2026

00Z NCEP model production is running on time with 10 Alaskan...
26 Canadian...65 CONUS...2 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.

UPDATED 00Z GFS RAOB RECAP...
72230/BMX - No report for the NAM...Full report in for the GFS.
72562/LBF - No report for the NAM/GFS.
72645/GRB - No report for the NAM/GFS.
72764/BIS - No report for the NAM/GFS.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
78970/POS - 10159.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0247Z WED JAN 21 2026

...WIDESPREAD AWOS OUTAGE...

A widespread AWOS outage has been ongoing since about 00Z.
The FAA has been notified out of the outage.


Kempisty/SDM/NCO/NCEP




SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
0132Z WED JAN 21 2026

00Z NCEP model production started on time with 10 Alaskan...
26 Canadian...64 CONUS...2 Mexican...7 Caribbean...and 9
Pacific stations available for ingest.

00Z NAM RAOB RECAP...
72230/BMX - No report for the NAM.
72562/LBF - No report for the NAM.
72645/GRB - No report for the NAM.
72764/BIS - No report for the NAM.
70133/OTZ - 10159.
70200/OME - 10158...Flight equipment failure.
70308/SNP - 10159.
70326/AKN - 10159.
72776/TFX - 10159.
72786/OTX - 10159.
78970/POS - 10159.


Kempisty/SDM/NCO/NCEP