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                                            National Centers for Environmental Prediction
                                Quality Assessment Project
                                College Park, MD  20740

                                January  9, 2017                   W/NP12:KAK



MEMORANDUM FOR:  Distribution List

FROM:            W/NP12 - Kelly A. Kempisty

SUBJECT:         Second Release Decisions
                 Monthly Summary by Region


Per the NWS radiosonde second release policy established on December 11, 1996,
the NCEP Senior Duty Meteorologist (SDM) in coordination with station
personnel, which usually included a lead forecaster (LF), agreed upon a "yes"
(approved) or a "no" (not approved) decision on each request for a second
release whenever the initial ascent failed to reach at least 400 hPa (mb).
Decisions were based on the local station needs and NCEP model requirements.
The purpose of this memorandum is to summarize the actions of the individual
stations and the SDMs.

Revision of said policy, effective October 1, 1999, permits the station LF to
authorize a second release without first consulting the SDM if the LF believes
the local forecast/warning situation warrants a second release.  Therefore,
the statistics that follow include only those decisions in which the NCEP SDM
was involved.

Attached is a report which provides the monthly statistics on second release
decisions in which the SDM was involved.  The statistics are sorted by region.
Each region's statistics are tabulated, and the percentage of "yes" decisions
(approval rate) is provided.  Also provided are the overall quantities of
"yes" and "no" decisions with the overall approval rate.



Distribution:  
W/NP - W. Lapenta           W/OSO14 - W. Blackmore     W/ER - C. Stachelski
W/NP1 - B. Kyger            W/OS07 - J. O'Sullivan     W/SR - L. Harrington
W/NP12 - P. O'Reilly        W/OSO1x2 - N. Dipasquale   W/SR - P. Witsaman
W/NP12 - K. Kempisty                                   W/CR - T. Kearns
                                                       W/CR - E. Breon
                                                       W/WR - H. Knocke
                                                       W/WR - S. Nelson
                                                       W/AR - L. Hubble
                                                       W/PR - D. Leeloy
                                                       W/PR - D. Meek









PAGE 1

                     SECOND RELEASE DECISIONS BY REGION

                       From 20161201 through 20161231

              STATION            YES             NO           TOTAL

                               EASTERN REGION

            72208/CHS              0              0               0
            72305/MHX              0              0               0
            72317/GSO              0              0               0
            72318/RNK              0              0               0
            72402/WAL              0              1               1
            72403/LWX              1              0               1
            72426/ILN              0              0               0
            72501/OKX              0              0               0
            72518/ALY              0              0               0
            72520/PBZ              0              0               0
            72528/BUF              0              0               0
            72712/CAR              0              0               0
            74389/GYX              0              1               1
            74494/CHH              0              0               0

                TOTAL              1              2               3
        APPROVAL RATE           33.3%

                              SOUTHERN REGION

            72201/KEY              0              0               0
            72202/MFL              0              0               0
            72206/JAX              0              0               0
            72210/TBW              0              0               0
            72214/TAE              0              0               0
            72215/FFC              0              0               0
            72230/BMX              0              0               0
            72233/LIX              0              0               0
            72235/JAN              0              0               0
            72240/LCH              0              0               0
            72248/SHV              0              1               1
            72249/FWD              0              0               0
            72250/BRO              0              0               0
            72251/CRP              0              0               0
            72261/DRT              0              0               0
            72265/MAF              0              0               0
            72327/OHX              0              0               0
            72340/LZK              0              1               1
            72357/OUN              0              0               0
            72363/AMA              0              0               0
            72364/EPZ              0              0               0
            72365/ABQ              0              0               0
            78526/SJU              0              0               0

                TOTAL              0              2               2
        APPROVAL RATE            0.0%



PAGE 2

                     SECOND RELEASE DECISIONS BY REGION

                       From 20161201 through 20161231

              STATION            YES             NO           TOTAL

                               CENTRAL REGION

            72440/SGF              0              0               0
            72451/DDC              0              0               0
            72456/TOP              0              0               0
            72469/DNR              0              1               1
            72476/GJT              0              0               0
            72558/OAX              0              0               0
            72562/LBF              0              0               0
            72632/DTX              0              0               0
            72634/APX              0              0               0
            72645/GRB              0              1               1
            72649/MPX              0              0               0
            72659/ABR              0              0               0
            72662/UNR              0              0               0
            72672/RIW              0              1               1
            72747/INL              0              0               0
            72764/BIS              0              0               0
            74455/DVN              0              0               0
            74560/ILX              0              0               0

                TOTAL              0              3               3
        APPROVAL RATE            0.0%

                               WESTERN REGION

            72274/TWC              0              0               0
            72293/NKX              0              0               0
            72376/FGZ              0              0               0
            72388/VEF              0              0               0
            72489/REV              0              0               0
            72493/OAK              0              0               0
            72572/SLC              0              0               0
            72582/LKN              0              0               0
            72597/MFR              0              0               0
            72681/BOI              0              0               0
            72694/SLE              0              0               0
            72768/GGW              0              0               0
            72776/TFX              0              0               0
            72786/OTX              0              0               0
            72797/UIL              0              0               0

                TOTAL              0              0               0
        APPROVAL RATE            0.0%







PAGE 3

                     SECOND RELEASE DECISIONS BY REGION

                       From 20161201 through 20161231

              STATION            YES             NO           TOTAL

                               ALASKAN REGION

            70026/BRW              0              0               0
            70133/OTZ              0              0               0
            70200/OME              0              0               0
            70219/BET              0              0               0
            70231/MCG              0              0               0
            70261/FAI              0              0               0
            70273/AFC              0              0               0
            70308/SNP              0              0               0
            70316/CDB              0              0               0
            70326/AKN              0              0               0
            70350/ADQ              0              0               0
            70361/YAK              0              0               0
            70398/ANN              0              0               0

                TOTAL              0              0               0
        APPROVAL RATE            0.0%

                               PACIFIC REGION

            91165/LIH              0              0               0
            91212/GUM              0              0               0
            91285/ITO              0              0               0
            91334/TKK              0              0               0
            91348/PNI              0              0               0
            91376/MAJ              0              0               0
            91408/ROR              0              0               0
            91413/YAP              0              0               0
            91765/PPG              0              0               0

                TOTAL              0              0               0
        APPROVAL RATE            0.0%

                                ALL REGIONS

                TOTAL              1              7               8
        APPROVAL RATE           12.5%


This and related reports are available on the Web at . . .
http://www.nco.ncep.noaa.gov/sib/qap/second/