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NCEP - Upcoming Changes
NCEP Home > NCO Home > Production Management Branch > Changes

2014 - CHANGES TO NCEP MODELS/IMPLEMENTATION DATES TO NOAAPORT
(date in green indicates item complete)

NWS is proposing to modify the delivery time of the HWRF output. -- Comment period has ended
NWS is proposing to terminate some GFS model output. -- Comment period has ended

WCOSS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE NOAAPORT (NP)
DATA ALREADY ON NOAAPORT?
NWS TINS/
INFORMATIONAL
BRIEFINGS
December 9, 2014
GFS/GDAS Upgrade
NCEP will upgrade the Global Forecast and Analysis (GFS/GDAS) models. More details available in the TINs.
Products available on NP NWS TIN 14-##
December 2, 2014
Multi_1/Multi_2 Upgrade
NCEP will upgrade the Global and Hurricane wave models. More details available in the TINs.
Not available on NP NWS TIN 14-40
October 14, 2014
Extra-tropical Storm Surge Upgrade
NCEP will upgrade the Extra-tropical Storm Surge (ETSS) model. More details available in the TINs.
Some guidance available on NP NWS TIN 14-31
September 30, 2014
HYSPLIT Upgrade
NCEP will upgrade the HYSPLIT model, including the smoke and dust guidance. More details available in the TINs.
Not available on NP NWS TIN 14-37
September 30, 2014
Implementation of High-Resolution Rapid Refresh(HRRR)
NCEP will implement the HRRR model and begin sending data to NOAAPORT. More details available in the TINs.
Not available on NP NWS TIN 14-32 - Full TIN NWS TIN 14-28 - adding products to NOAAPORT
September 16, 2014
Update of Gulf of Mexico Ocean Forecast Systems
The existing NGOFS system will be upgraded and new systems for the Northeast Gulf of Mexico (NEGOFS) and Northwest Gulf of Mexico (NWGOFS) will be implemented. More details available in the TIN.
Not available on NP NWS TIN 14-26
September 9, 2014
Upgrade to Automated Sea Ice Drift Model
NCEP will upgrade the Sea Ice Drift model. More details available in the TIN.
Products available on NP NWS TIN 14-36
August 12, 2014
NAM upgrade
Upgrade to the North American Mesoscale Model (NAM). More details available in the TIN.
Products available on NP NWS TIN 14-29
August 5, 2014
New NLDAS system
New North American Land Data Assimilation System implemented. More details available in the TIN.
Not available on NP NWS TIN 14-24
July 9, 2014
Change to RTOFS GRIB encoding
More details available in the TIN.
Available on NP NWS TIN 14-25
July 8, 2014
Upgrade of PSURGE system
Update to the Probabalistic Storm Surge system, including adding data to NOAAPORT. More details available in the TINs.
Products available on NP NWS TIN 14-11
NWS TIN 14-12
July 8, 2014
Addition of Hurricane Wave Model Products to NOAAPORT
Select output from the Multi-grid Hurricane Wave Model will be added to NOAAPORT. More details available in the TIN.
Newly-available on NP NWS TIN 14-17
July 8, 2014
Change to Global Wave Ensemble System
Upgrade to the global wave ensemble system including changing the name of the system to GWES. More details available in the TIN.
Not available on NP NWS TIN 14-22 note: date moved to 7/8 due to CWD
June 24, 2014
New ESTOFS Pacific model
Initial implementation of the ESTOFS Pacific forecast system. More details available in the TIN.
Not available on NP NWS TIN 14-27
June 18, 2014
Upgrade of the GFDL
An upgrade to the GFDL Hurricane model. More details available in the TIN.
Not available on NP NWS TIN 14-20
June 11, 2014
Upgrade of the HIRES Window
An upgrade to the HIRES Window system including resolution changes, schedule changes, and addition of a full CONUS domain. More details available in the TIN.
Available on NP NWS TIN 14-16
June 10, 2014
Upgrade of the HWRF
An upgrade to the Hurricane Weather and Research Forecast System. More details available in the TIN.
Not available on NP NWS TIN 14-19
June 3, 2014
Removal of Select GFS products
Obsolete GFS-based products will be removed including a few gridded products, old text products, and FAX and Redbook graphics. More details available in the TIN.
These products are available on NP NWS TIN 14-21
May 1,2014
Implementation of SBOFS
First implementation of the San Francisco Bay Oceanographic Forecast System. More details available in the TIN.
These products not available on NP NWS TIN 13-41
April 8, 2014
Upgrade to the GEFS and NAEFS
The GEFS and NAEFS output will be upgraded to include additional products. Also, on April 9, 2014, 2 meter temperature and total accumulated precipitation fields from the GEFS will be made available on NOAAPORT. More details available in the TINs.
These products will now be available on NP NWS TIN 14-04
Final implementation date of 4/8/2014 not reflected in TIN.
April 8, 2014
Upgrade to Gridded MOS
Several experimental elements added to the GFS-based gridded MOS. More details available in the TINs.
These products are available on NP NWS TIN 13-49
April 8, 2014
Upgrade to LAMP
Changes will be made to the LAMP guidance for convective parameters. More details available in the TINs.
These products are available on NP NWS TIN 13-50
April 2, 2014
Upgrade to the SREF model.
The SREF will be upgraded including code changes and additional products. Also, 2 meter temperature and total accumulated precipitation fields from the SREF will be made available on NOAAPORT. More details available in the TINs.
Additional SREF products will now be available on NP NWS TIN 14-02 - model upgrade
NWS TIN 13-44 - add to NOAAPORT
Final implementation date of 4/2/2014 not reflected in TIN.
March 12, 2014
Change to delivery time of GFS WAFS products
The WAFS grids will be made available on WIFS and NCEP ftp server roughly 20 minutes earlier. More details available in the TIN.
These products not available on NP NWS TIN 14-08
March 4, 2014
Removal of RTOFS Episodic Tracer
More details available in the TIN.
These products not available on NP NWS TIN 14-06
February 25, 2014
Upgrade to RAP
Upgrade to the Rapid Refresh model. Also, additional stations will be included in the RAP BUFR output. More details available in the TINs.
These products are available on NP NWS TIN 13-38 --RAP upgrade
NWS TIN 13-35 --RAP BUFR changes
February 18, 2014
Addition of ESTOFS to NOAAPORT
GRIB2 output from ESTOFS will be available on NOAAPORT. More details available in the TIN.
These products will now be available on NP NWS TIN 13-41
February 18, 2014 (rescheduled due to CWD)
Removal of HREF from NCEP server
The High Resolution Ensemble Forecast (HREF) products will be discontinued. More details available in the TIN.
These products are not available on NP NWS TIN 14-01
January 28, 2014
Upgrade to RTMA
Upgrade to the Real Time Mesoscale Analysis system. More details available in the TIN.
These products are available on NP NWS TIN 13-39



2013 - CHANGES TO NCEP MODELS
2013 - IMPLEMENTATION DATES TO NOAAPORT
(date in green indicates item complete)

NWS is proposing to terminate legacy radar graphics products. -- Comment period ended
NWS is proposing to terminate legacy Climate Diagnostic Center products. -- Comment period ended
NWS is proposing to terminate legacy GFS low-resolution products. -- Comment period ended

CCS/WCOSS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE NOAAPORT (NP)
DISSEMINATION
DATE OR ALREADY ON NOAAPORT
(ON NP) OR N/A IF DATA IS NOT SENT TO NP
NWS TINS/
INFORMATIONAL
BRIEFINGS
December 12, 2013
Change in ESTOFS delivery time
The output from the ESTOFS model will be distributed roughly 20 minutes earlier than previous. More details available in the TIN.
Not available on NP NWS TIN 13-43
December 11, 2013
Global RTOFS GRIB2 to NOAAPORT
Add new GRIB2 output from the Global RTOFS to NOAAPORT and change the resolution of products on NCEP ftp server. More details available in the TIN.
These products are available on NP NWS TIN 13-27
November 13, 2013
Additional fields in GFS WAFS products
Add fields for four new levels to the GFS WAFS products. More details available in the TIN.
NWS TIN 13-33
November 5, 2013
GFS MOS and LAMP Wind Changes
Forecast equations for MOS winds will be updated, with resulting effect on LAMP. More details available in the TIN.
These products are available on NP NWS TIN 13-30
November 5, 2013
GFS MOS for Western Pacific Change
Add Total Sky Cover and Ceiling to GFS MOS text and BUFR products for the Western Pacific. More details available in the TIN.
These products are available on NP NWS TIN 13-22
November 5, 2013
GFS MOS Change
Add Mean Total Sky Cover to 12Z text and BUFR products. More details available in the TIN.
These products are available on NP NWS TIN 13-20
October 29, 2013
Great Lakes Wave Model Update
Physics upgrade to the Great Lakes Wave Model. More details available in the TIN.
Products not available on NP NWS TIN 13-25
August 20, 2013
Addition of satellite data to GFS model
New satellite data, including METOP-B, SEVIRI data from Meteosat-10, and NPP CrIS data will be included in the Global model. More details available in the TIN.
Products are disseminated via NP NWS TIN 13-18
August 13, 2013
Temporarily change HIRESW preemption
Change the HIRESW from being preempted starting at 3 tropical systems to 4 tropical systems.
These products are available on NP. NWS TIN 13-23
July 25, 2013
WCOSS Operational
The NCEP Production Suite will be transitioned to the WCOSS. More details available in the TIN and PNS.
Affects many products on NP. NWS TIN 13-15
NWS PNS announcing availability of parallel data
Page describing transition changes
July 25, 2013
Upgrade HWRF model
Implement FY13 version of HWRF. More details available in the TIN.
These products are not available on NP. NWS TIN 13-13
July 25, 2013
Upgrade HYSPLIT model
Upgrade HYSPLIT system. More details in the TIN.
These products are not available on NP. NWS TIN 13-16
July 25, 2013
Discontinue legacy CDC products
Remove the legacy Climate Diagnostic Center (CDC) products. More details available in the TIN and PNS.
These products are not available on NP. NWS TIN 13-10
NWS PNS seeking comments
June 11, 2013
Discontinue legacy radar graphics
Remove the legacy radar summary and radar legend graphics. More details available in the TIN and PNS.
These products are available on NP. NWS TIN 13-11
NWS PNS seeking comments
April 16, 2013
Discontinue legacy GFS products
Several legacy low-resolution GFS products will be removed, including the "MRF-lookalike" products. More details available in the TIN and PNS.
Some of these products are available on NP. NWS TIN 13-08
NWS PNS seeking comments
January 8, 2013
Discontinue GDAS2
The legacy low-resolution GDAS2 will be removed. More details available in the TIN and PNS.
These products are not available on NP. NWS TIN 12-57
NWS PNS seeking comments

2012 - CHANGES TO NCEP MODELS
2012 - IMPLEMENTATION DATES TO NOAAPORT
(date in green indicates item complete)

NWS is proposing to terminate the Ozone Air Quality Predictions. -- Comment period ended
NCEP is soliciting comments on proposal to remove the GDAS2 assimilation products. -- Comment period ended
NCEP solicited comments on proposal to remove the RUC Surface Analysis. -- Comment period ended
NCEP solicited comments on proposal to change the dissemination time of HWRF output. -- Comment period ended

CCS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE NOAAPORT (NP)
DISSEMINATION
DATE OR ALREADY ON NOAAPORT
(ON NP) OR N/A IF DATA IS NOT SENT TO NP
NWS TINS/
INFORMATIONAL
BRIEFINGS
December 17, 2012
Add 2.5km Gridded LAMP to NOAAPORT
GFS-based gridded LAMP output on a 2.5km grid will be made available on NOAAPORT.
New products will be made available on NP. NWS TIN 11-18
December 13, 2012
2.5km GMOS change
A slight format change will happen to the 2.5km CONUS GMOS products available on the NDGD server. More details available in the TIN.
2.5km GMOS products are available on NP, but the NP products will not change format. NWS TIN 12-55
December 5, 2012
Add new NAM DNG products to NOAAPORT
NAM DNG products on a 2.5km CONUS grid and 3km Alaska grid will be made available on NOAAPORT. More details are provided in the TIN.
New products will be made available on NP. NWS TIN 11-35
December 4, 2012
Ceiling/visibility bug fix in SREF
A fix will be made to the calculation of visibility and ceiling in some SREF members. More details are provided in the TIN.
Products not available on NP. NWS TIN 12-56
November 27, 2012
RAP Product Changes
Changes will be made to the contents/format of the RAP native grid output products. More details available in the TIN.
These products are not available on NP. NWS TIN 12-51
November 20, 2012
NARRE product changes
3 changes will be made to the contents/format of the NARRE output products. More details available in the TIN.
These products are not available on NP. NWS TIN 12-49
November 19, 2012
Add More 13km RAP Products to NOAAPORT
Additional output from the RAP model on pressure levels on a 13km grid will be made available on NOAAPORT hourly from 0 to 18 hours from all 24 cycles. Currently only a subset of that data is available.
New products will be made available on NP. NWS TIN 11-19
November 15, 2012
Add 2.5km Gridded MOS to NOAAPORT
GFS-based gridded MOS output on a 2.5km grid will be made available on NOAAPORT.
New products will be made available on NP. NWS TIN 12-09
October 2, 2012
RUCS/SRUC Removal
The analysis system known as the Rapid Update Cycle Surface (RUCS) will be discontinued. More details available in the TIN.
These products are not available on NP. NWS TIN 12-40
NWS PNS seeking comments
September 25, 2012
CFS v1 Removal
The obsolete Climate Forecast System (CFS) version 1 will be discontinued. More details available in the TIN.
These products are not available on NP. NWS TIN 12-37
September 25, 2012
Multiple NOS Ocean Forecast Systems Boundary Change
Several NOS Ocean Forecast Systems will transition from using Navy NCOM model data for boundary conditions to using NCEP's Global HYCOM model. More details available in the TIN.
None of these products are available on NP. NWS TIN 12-34
Date September 25, 2012
Columbia River And Estuary Ocean Forecast System
NOS's new forecast system will be implemented. More details in the TIN. A second TIN that references a change in forcing conditions is also referenced.
No products will be available on NP. NWS TIN 12-23
NWS TIN 12-35
September 18, 2012
ESTOFS Implementation
The new Extra-tropical Storm and Tides Operational Forecast System (ESTOFS) will be implemented. More details available in the TIN.
These products are not available on NP. NWS TIN 12-43
September 18, 2012
GRIB encoding change in two parameters
The GRIB encoding of Haines index and RHPW will be modified. More details available in the TIN.
These products are not available on NP. NWS TIN 12-38
September 18, 2012
RTMA Sub-center change
The sub-center in the GRIB encoding of the NCEP Stage II and RTMA precip products will change. More details available in the TIN.
These products are available on NP. NWS TIN 12-36
September 11, 2012
Implementation of NGAC Aerosol Forecast System
More details available in the TIN.
None of these products are available on NP. NWS TIN 12-41
September 5, 2012
GFS Bug Fix
A fix is being implemented to the Land Surface Model used in the GFS that resulted in warm season cool and moist bias. More details available in the TIN.
These products are available on NP. NWS TIN 12-42
August 21, 2012
Major SREF upgrade
Upgrade to the Short-Range Ensemble Forecast System (SREF) including a resolution increase and a change to the models that make up the ensemble. More details available in the TIN.
No change to products available on NP. NWS TIN 12-30
NWS TIN 12-33
August 7, 2012
Minor Change to NAM calculations
Changes to the calculation of snow cover fraction and GOES simulated brightness temperature in the NAM. More details available in the TIN.
NAM products are available on NP NWS TIN 12-32
July 5, 2012
Change in WAFS product dissemination
The order will be changed so that WAFS GRIB2 products will be disseminated before WAFS GRIB1 products. More details available in the TIN.
N/A NWS TIN 12-20
June 19, 2012
Upgrade to Sea Ice Concentration
More details are available in the TIN.
Products are available on NP. NWS TIN 12-27
May 30, 2012
Minor change to NAM/DGEX
The surface wind gust speed algorithm used in the NAM and DGEX will be modified. More details are available in the TIN.
Products are available on NP. NWS TIN 12-24
May 29, 2012
New EKDMOS
Implementation of new Ensemble Kernel Density Model Output Statistics (EKDMOS). More details are available in the TIN.
Products are not currently available on NP. NWS TIN 12-28
May 24, 2012 - HWRF
May 29, 2012 -- GFDL
HWRF and GFDL Hurricane Model Upgrades
The HWRF and GFDL Hurricane models will be upgraded. More details are available in the two TINs.
Products are not available on NP. NWS TIN 12-19 -- HWRF
NWS TIN 12-18 -- GFDL
May 22, 2012
Global Model Upgrade
The data assimilation system for the Global Forecast System (GFS) will undergo a major upgrade. There will be minor output product changes to the GFS model output. More details are available in the TIN.
Products are available on NP. NWS TIN 12-22
May 15, 2012
Wave Model Upgrade
The Multi-grid wave model will get a physics upgrade and a few minor product changes. More details are available in the TIN.
Products are available on NP. NWS TIN 12-17
May 1, 2012
Add stations to NAM and RAP BUFR output
Specific details of stations being added to NAM and RAP are provided in the TIN.
Products are available on NP. NWS TIN 12-06
May 1, 2012
Replace RUC with Rapid Refresh Model
The hourly Rapid Update Cycle (RUC) model will be replaced by the Rapid Refresh Model. Specific details are provided in the TIN.
Products are available on NP. NWS TIN 11-36
NWS TIN 11-53
NWS TIN 11-54 - impact on RTMA
April 17, 2012
GEFS bitmask change
The bitmasking in three GEFS output fields will be made consistent. Specific details are provided in the TIN.
These products are not available on NP NWS TIN 12-11
April 3, 2012
New NGOFS system
The new Northern Gulf of Mexico Operational Forecast System (NGOFS) will be implemented. Specific details are provided in the TIN.
These products are not available on NP NWS TIN 12-02
March 12, 2012
New HRQPF MOS
New High Resolution Gridded Model Output Statistics (MOS) output on a 2.5 km grid over the CONUS is being produced for probability of precipitation(POP) and quantitative precipitation (QPF). These high-resolution products will replace the 2.5km gridded MOS POP and QPF. Specific details are provided in the TIN.
These products are slated to be added to NP at a future date. NWS TIN 12-12
February 28, 2012
New 2.5km Gridded MOS
New Gridded Model Output Statistics (MOS) output on a 2.5 km grid over the CONUS is being produced for multiple elements. Specific details are provided in the TIN.
These products are slated to be added to NP at a future date. NWS TIN 12-09
February 14, 2012
Update Global Ensemble Forecast System
The Global Ensemble Forecast System (GEFS) will be upgraded. Changes include an increase in model resolution and an adjustment to product delivery time. Specific details are provided in the TIN.
Products are available on NP. NWS TIN 11-47

2011 - CHANGES TO NCEP MODELS
2011 - IMPLEMENTATION DATES TO NOAAPORT
(date in green indicates item complete)

NCEP soliciting comments on proposal to remove several RUC products from NOAAPORT and our servers. -- Comment period ended
NCEP soliciting comments on proposal to remove the Regional Spectral Model. -- Comment period ended
NCEP soliciting comments on proposal to change the computation of convective parameters in the NCEP models. -- comment period ended

CCS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE NOAAPORT (NP)
DISSEMINATION
DATE OR ALREADY ON NOAAPORT
(ON NP) OR N/A IF DATA IS NOT SENT TO NP
NWS TINS/
INFORMATIONAL
BRIEFINGS
December 20, 2011
Wave Model Spectral Output Change
The spectral resolution of the wave output products will be increased in the multi-grid wave model. More details available in the TIN.
These products are not available on NP. NWS TIN 11-10
December 13, 2011
Implementation of WSA-Enlil model
WSA-Enlil predicts the solar wind at Earth, imcluding the arrival of Coronal Mass Ejections (CMEs)
These products are not available on NP.
November 8, 2011
Add HIRESW Products to NOAAPORT
Output from the High Resolution Window (HIRESW) model runs will be made available on NOAAPORT. Grids are available for the CONUS, Alaska, Hawaii, Puerto Rico, and Guam with output from 0 to 60 hours.
New products will be made available on NP. NWS TIN 11-21
November 1, 2011
NFCENS Implementation
Implementation of the NCEP-FNMOC Combined Wave Ensemble System.
These products are not available on NP.
October 25, 2011
Global RTOFS Implementation
Implementation of the 1/12th degree Global Real-Time Ocean Forecast System.
These products are not available on NP.
October 18, 2011
Major NAM/NDAS Upgrade
Changes to the NAM and NDAS include a major change to the modeling system and many additional products, including new 4km NAM nests. Please see the TIN for all the details.
These products are available on NP. NWS TIN 11-16
October 11, 2011
Upgrade to RTGSST
The High Resolution Real Time Globar Sea Surface Temperature Analysis (RTGSST) will be replaced upgraded. See the TIN for more details.
Products are available on NP. NWS TIN 11-42
October 4, 2011
RTMA products declared operational
The Real Time Mesoscale Analysis (RTMA) products will be promoted from experimental to operational status. The location of the products in the NDGD will change.
Products are already available on NP. NWS TIN 11-42
September 13, 2011
Removal of Regional Spectral Model
The Regional Spectral Model (RSM) and all associated products will be removed from NWS operations.
These products are not available on NP. NWS TIN 11-34
NWS PNS seeking comments
August 30, 2011
MAF Webpage Decommissioned
NCEP will remove the Model Analysis and Forecast webpages. They have been replaced by the Model Analysis and Guidance (MAG) webpage. More details available in the TIN.
Webpage NWS TIN 11-06
August 23, 2011
Add 3-hr analyses to Global Ensemble CCPA products
These products are not available on NP NWS TIN 11-22
August 22/September 27, 2011
Gridded LAMP Implementation
Gridded LAMP guidance for various elements has been available experimentally on NDGD. On 8/22 some modifications were made to the format of the products. On 9/27 the products will be made operational and disseminated on NOAAPORT. More details available in the TIN.
These products are not available on NP until 9/27/2011. NWS TIN 11-18
July 14, 2011
Upgrades to MAG Webpage
Model Analysis and Guidance (MAG) webpage update including additional image resolutions, addition of 4-panel charts and changes to the selection mechanism on the top level page . Details available in the TIN.
Webpage NWS TIN 11-17
July 5, 2011
CFSv2 change in CDAS output
The CDAS output from the Climate Forecast System v2 will be changed from outputting a lat/lon grid to outputting a Gaussian grid. More details available in the TIN.
These products are not available on NP. NWS TIN 11-14
May 24, 2011
NAEFS CMC ensemble data change
Modification to the Canadian Met Center ensemble data used in the North American Ensemble Forecast System. More details available in the TIN.
These products are not available on NP. NWS TIN 11-15
May 24, 2011
HWRF Upgrade
The Hurricane Weather Research and Foreccast (HWRF) - Princeton Ocean Model (POM) system will be upgraded. More details available in the TIN.
These products are not available on NP. NWS TIN 11-09
May 17, 2011
GFDL Upgrade
The GFDL Hurricane Prediction System will be upgraded. More details available in the TIN.
These products are not available on NP. NWS TIN 11-11
May 9, 2011
GDAS Upgrade and GFS Bug Fix
The Global Forecast System (GFS) Data Assimilation System (GDAS) will be upgraded. Several bugs in the GFS model will be addressed. More details available in the TIN.
These products are available on NP. NWS TIN 11-07
March 30, 2011
Climate Forecast System Upgrade
This will be a major upgrade of the Climate Forecast System (CFS). There will be major changes to the modeling system, output product content and format, delivery time of products, and where the data is made available. More details available in the TIN.
These products are not available on NP. NWS TIN 10-55

NWS TIN 10-55 amended w/note about CFSv1 termination
March 29, 2011
HIRES Window Forecast System Upgrade
The HIRES will be upgraded. Changes include model changes, addition of a Guam run and associated products, change to the Puerto Rico grid domain, additional elements, and a change to the directory location of the data. More details available in the TIN.
These products are not available on NP. NWS TIN 10-61
March 15, 2011
Model Analysis and Guidance (MAG) Website Operational
NCEP's Model Analysis and Guidance Website, the MAG, will move from experimental to operationali status. More details available in the TIN.
Webpage NWS TIN 11-05
March 1, 2011
Change to Encoding of WAFS GRIB products
NCEP WAFS GRIB2 products will be changed to use Master Table 6 instead of 2 in the GRIB encoding. More details available in the TIN.
These products are not available on NP. NWS TIN 10-62
March 1, 2011
NAEFS Upgrade
Additional elements will be added to the NAEFS system. More details available in the TIN.
These products are not available on NP. NWS TIN 10-50
January 25, 2011
Format change for NCEP BUFR products
Software upgrades will result in format changes to NCEP BUFR products. More details available in the TIN.
These products are available on NP. NWS TIN 10-48

2010 - CHANGES TO NCEP MODELS
2010 - IMPLEMENTATION DATES TO NOAAPORT
(date in green indicates item complete)

NCEP is soliciting comments on the new Model Analysis and Guidance Webpage. -- Comment period closed
NCEP is seeking comments on the change in GEFS product dissemination time. -- Comment period closed

CCS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE NOAAPORT (NP)
DISSEMINATION
DATE OR ALREADY ON NOAAPORT
(ON NP) OR N/A IF DATA IS NOT SENT TO NP
NWS TINS/
INFORMATIONAL
BRIEFINGS
December 14, 2010
Addition of Ozone Products to NCEP Air Quality Model
Add maximum 1 hour and maximum 8 hour ozone products for the CONUS. More details available in the TIN.
These products are not available on NP. NWS TIN 10-49
December 7, 2010
New GEFS and NAEFS Downscaled Products for Alaska
Generate new downscaled probabilistic ensemble products from both the GEFS and NAEFS. More details available in the TIN.
New products disseminated only on NCEP server. NWS TIN 10-45
November 9, 2010
New GFS-based Gridded MOS Products for Hawaii
New products disseminated on NP and NDGD NWS TIN 10-27
November 2, 2010 Multi-grid Hurricane Wave Model Upgrade
Current NAH and NPH hurricane wave models replaced with new global multi-grid hurricane wave model. Details available in the TIN.
No change to format of NP products.
New grids available from NCEP server.
NWS TIN 10-44
September 28, 2010
New RTMA and GFS DNG Products for Guam
RTMA and GFS DNG products will be generated for Guam. Initially available only on NCEP server. Eventually added to SBN and NDGD.
New products. Will be added to NP and NDGD Nov 16, 2010 NWS TIN 10-43
September 28, 2010
New 2.5km RTMA Products for CONUS
CONUS RTMA products will be made available on NDGD with a horizontal resolution of 2.5 km. These products will replace the current 5km CONUS RTMA products in NDGD.
These products are available on NP. NWS TIN 10-35
NWS TIN 11-20
September 28, 2010
Hawaii RTMA and DNG Domain Change
Change domain of Hawaiian grid used in RTMA and NAM DNG products. See TIN for grid specifications.
These products are available on NP. NWS TIN 10-28
September 21, 2010
Hawaii and Alaska Ozone Models Declared Operational
These products are not available on NP. NWS TIN 10-42
July 28, 2010
Global Forecast System (GFS) Upgrade
Changes include:
-Change in resolution from ~35km to ~27km
-3-hourly output available to 192 hours
-Model physics changes
-Changes to parameters in some files
The changes are outlined in the TIN
No change to format or content of NP products NWS TIN 10-15
June 1, 2010
HWRF Model Update
General model changes/upgrades. See TIN for more details.
No change to NP products NWS TIN 10-17
May 11, 2010
Global Multi-Wave Grid Model Updates
Product dissemination times will be changed -- products will come out individually as they are produced rather than all together at the end of the model run. Several other minor changes will occur.
The changes are outlined in the TIN
Distribution schedule of products on NP will be changing. NWS TIN 10-13
March 9, 2010
NAM and RUC Station Updates
The station lists used to generate BUFR soundings for the North American Mesoscale(NAM) and Rapid Update Cycle(RUC) models will be modified.
The changes are outlined in the TIN
NAM BUFR collective products are currently available on NP and will be changing. NWS TIN 09-43
March 3, 2010 GFS-based MOS and LAMP Upgrade
MOS forecast equations updated and changes made to MOS and LAMP station availability
These products are currently available on NP. NWS TIN 09-39
March 2, 2010
RUC Extension to 18 hours
The Rapid Update Cycle (RUC) model will be extended to 18 hours for all cycles. In addition, several modifications will be made to the RUC analysis/pre-processing code.
The changes are outlined in the TIN
RUC products are available on NP, but the additional forecast hours will not be made available via NP at this time. NWS TIN 10-07
February 23, 2010
Global Ensemble Forecast System (GEFS) Upgrade
Changes include:
-Several model changes outlined in the TIN
-Process generating id in the GRIB encoding changed from 80 to 107 for GEFS products and 80 to 114 for NAEFS products available on NWS and NCEP FTP servers
-Changes to variables included in files available on FTP servers
No change to NP products.

The change to the GRIB encoding will not occur in the NP products.
NWS TIN 09-34


2009 - CHANGES TO NCEP MODELS
2009 - IMPLEMENTATION DATES TO NOAAPORT
(date in green indicates item complete)

CCS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE NOAAPORT (NP)
DISSEMINATION
DATE OR ALREADY ON NOAAPORT
(ON NP) OR N/A IF DATA IS NOT SENT TO NP
NWS TINS/
INFORMATIONAL
BRIEFINGS
12/15/2009
Global Forecast System (GFS) Upgrade
Changes include:
-New data sources and improved numerical techniques in the GSI
-Unified post-processor for GFS and GDAS
-Accuracy in formulation of some diagnostic variables improved
-Additional parameters added to products available on FTP servers
No change to NP products NWS TIN 09-32
11/10/2009
NAM BUFR Collectives Modifications
-New stations will be added to existing NAM collectives.
These products are currently available on NP. NWS TIN 09-26
11/03/2009
Minor NAM/DGEX Modifications
-Minor bug fixes and their effects are outlined in the Technical Implementation Notice
-Radar echo top height added to all NAM output grids currently containing simulated radar reflectivity that are available on the FTP servers
No change to NP products NWS TIN 09-33
11/03/2009

Real Time Ocean Forecast System (RTOFS) Upgrade
Model changes and their effects are outlined in the Technical Implementation Notice
No change to NP products NWS TIN 09-30
10/27/2009
Short Range Ensemble Forecast Upgrade
Changes include:
-Change in model membership
-Model version upgrades for several members
-Increased physics diversity
-Increase temporal resolution from 3-hourly to hourly out to 39 hours
-Addition of forecast elements
No change to NP products NWS TIN 09-29
08/25/2009
Global Forecast System (GFS) BUFR Product Change
-Bug fix to the BUFR sounding output.

These products are currently available on NP.
NWS TIN 09-25
02/24/2009
GFS (Changes to the Global Analysis System) A global application of the Grid-point statistical interpolation (GSI) system include:

1. Inclusion of METOP IASI data
2. Use of variational qc
3. Change in land/snow/ice skin temperature variance
4. Flow dependent reweighting of background error variances
5. Addition of background error covariance input file
6. Reduction of number of airs water vapor changels used
7. Use of new version and coefficients for community
radiative transfer model
8. Modification of height assignment for height based wind
observations
9. Modification of surface land use file to remove a few
permanent (~12) glacial points to improve surface
temperature forecasts over those points.
N/A NWS TIN
12/17/2008-
08/21/2009
MORATORIUM FOR HOLIDAYS AND CCS TRANSISTION TO POWER6
N/A
N/A


2008 - CHANGES TO NCEP MODELS
2008 - IMPLEMENTATION DATES TO NOAAPORT

CCS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE NOAAPORT (NP)
DISSEMINATION
DATE OR ALREADY ON NOAAPORT
(ON NP) OR N/A IF DATA IS NOT SENT TO NP
NWS TINS/
INFORMATIONAL
BRIEFINGS
12/19/2007-
01/06/2008
MORATORIUM FOR HOLIDAYS
N/A
N/A
01/14/2008
CFS (Climate Forecast System)/GODAS UPGRADE (Deep water assimilation).
Changes:
Extend the GODAS assimilation to 2175 meters
Correct a temperature bias in the global intermediate waters
Reduce the 8-day lag in the initial conditions to a 1-day lag for both ocean and atmosphere.
Introduce 2 new members out to 9 months.
Expected Benefits:
1. Improve the CPC week 2 and US Hazards assessments forecast
2. Improve spread in monthly forecasts
3. Correct temperature bias in global intermediate waters
4. Improve the week 3-6 monthly forecast
N/A
CFS INFO
NWS TIN
01/28/2008 REMOVAL OF MANY GRIB1 PRODUCTS ON NWS/NCEP FTP SERVERS
ftp.ncep.noaa.gov
tgftp.nws.noaa.gov
N/A NWS TIN
NCEP INFO PAGE
03/04/2008 NWW3 (GLOBAL High Resolution) - Extend Northern boundary from 78N to 90N in support of AK Region. See 11/27/2007 upgrade below.
OB 9.0 NWS TIN #1
NWS TIN #2
CONUS - 09/15/2008

AK - ?

HI/PR - 09/09/2008
NAM DNG (SMART INIT) - Create post processed high resolution grids for CONUS/AK/HI/PR domains which will provide smart initialization capability for GFE in AWIPS. These data sets are only destined for NOAAPORT in support of the NWS field offices.
CONUS =  5 KM; AK = 6 KM; HI/PR = 2.5 KM
OB 8.3 EMC OUTPUT
03/31/2008 NAM - General model changes/upgrades. See TIN.
No change to NP products NWS TIN #1
NWS TIN #2
NWS TIN #3
03/31/2008 NWW3 (WAVE) - Great Lakes Wave model implementation. (Based on NAM initialization)
AWIPS OB 9.0 NWS TIN
04/15/2008 RTMA (ALASKA) - Implement Alaskan domain. OB 8.3
NP - 01/19/2008
EMC OUTPUT
NWS TIN #1
NWS TIN #2
09/09/2008 RTMA (HAWAII) - Implement Hawaii (HI) domain. AWIPS OB 9.0
NP - 07/2008

09/09/2008 RTMA (PUERTO RICO) - Implement Puerto Rico (PR) domain. AWIPS OB 9.0
NP - 07/2008

06/24/2008 WAVE ENSEMBLE - General model changes/upgrades. See TIN.
N/A NWS TIN
08/06/2008 HIRES - General model changes/upgrades. See TIN.
AWIPS OB 9.0
NP - 06/2008
NWS TIN
09/4/2008
GLM - The spectral bulletins will be added to NOAAPPORT
AWIPS OB 9.0 NWS TIN
09/09/2008



WAVEWATCH III - Create and send text spectral bulletins from multi-grid model to SBN/NOAAPORT

AWIPS OB 8.3


11/17/2008
RUC - Model changes to improve model performance. See TIN for details. N/A
NWS TIN
12/16/2008
NAM - Model changes to improve model performance. See TIN for details. N/A
NWS TIN
12/9/2008
GFS - formulation of the freezing level will be changed, several new parameters will be added to the output files,and fix to calculation of precipitation type N/A
NWS TIN
postponed until after 1 April 2009
SREF -
Upgrade WRF-NMM and WRF-ARW to v2.2, increase WRF-NMM and WRF-ARW resolution to 32km, upgrade RSM and increase resolution to 32km.

N/A
NWS TIN
 
2007 -  CHANGES TO NCEP MODELS
2007 - IMPLEMENTATION DATES TO NOAAPORT 

CCS
IMPLEMENTATION
DATE
DESCRIPTION OF CHANGE
NOAAPORT (NP)
DISSEMINATION
DATE OR ALREADY ON
(ON) OR N/A IF DATA IS NOT SENT TO NP
NWS TINS/
INFORMATIONAL
BRIEFINGS
10/01/2006-
01/01/2007
MORATORIUM on all upgrades while transistion to next NCEP Central Computing System (CCS) occurs.
N/A
N/A
02/13/2007
Deletion of Several Legacy Fax Charts.
N/A
NWS TIN
08/08/2006
NAM SIMULATED REFLECTIVITY PRODUCTS
02/2007

03/27/2007
GEFS UPGRADE.  New members sent to ftpprd.ncep.noaa.gov and tgftp.nws.noaa.gov in grib2 format only.
N/A
NWS TIN
03/27/2007
GODAS UPGRADE.  Include JASON satellite data.
N/A
GODAS INFO
JASON INFO
06/06/2006 SREF SYSTEM ENSEMBLE PRODUCTS

04/2007 NWS TIN
05/01/2007
GFS UPGRADE. 

05/01/2007 NWS TIN
EMC parallel run info
GFS History File Info
08/22/2006
1/12 DEGREE GLOBAL SST ANALYSIS
06/01/2007
NWS Change Notice
06/05/2007
RTOFS UGRADE.
N/A
NWS TIN
08/22/2006
GFS BUFR SOUNDINGS
06/05/2007
NWS TIN
06/12/2007 PROBABLISITIC STORM SURGE OB 8.3 NWS TIN
06/19/2007
HURRICANE WRF MODEL
WRF/NMM based model. GFDL in parallel operations for 2007.
N/A
NWS TIN
06/26/2007 RTMA UPGRADE - US DOMAIN
Improve the accuracy of the experimental RTMA by implementing improved quality control processing, improved uncertainty estimations and logic to better fit observations.
06/26/2007
09/05/2007 COFS MODEL REMOVED FROM PRODUCTION. Replaced by RTOFS. N/A
NWS TIN
09/11/2007 HIRES UPGRADE.
Update model codes to the latest, supported version of the WRF (2.2).
Increase WRF-NMM resolution from 5.2 to 4.0 km.  Increase WRF-ARW resolution from 5.8 to 5.1 km.  Reconfigure three existing CONUS domains into two larger domains runs twice per day.
OB 9.0
HIRES INFO
09/18/2007 AIR QUALITY UPGRADE - Domain expansion (3x to 5x) N/A
NWS TIN
09/25/2007 GFS UPGRADE - Unified post processor. 09/25/2007 NWS TIN
NCEP Change Notice-10/10/2007
09/25/2007 NAEFS/TIGGE PRODUCT CHANGE
Add new products to the NAEFS (GEFS) operational product stream to support the THORPEX TIGGE project.
N/A

6/28/2005 RUC 13 KM (including BEST CAPE/CIN and model topography)  11/04/2007 NWS TIN-05/23/2005
NWS TIN-03/31/2006
NWS TIN-09/14/2007
WMO IDS
11/27/2007 NOAA WAVE WATCH III UPGRADE.
The new multi-grid wave model will eventually replace the Alaskan (AKW), Western North Atlantic (WNA) and Eastern North Pacific (ENP) wave models. 
All present GRIB and bulletin data from these models will be produced from the new model. 
The Global NWW3 model will be replaced by this model at a later date.

Expected Benefits: Model structure will be used to introduce higher resolution products to the field in the future and will allow for future enhancements to coastal applications.
No change to current NP products.

OB 9.0 - New High Resolution Products
NWS TIN-08/17/2007
NWS TIN-08/18/2007
NWS TIN-09/27/2007
NCEP Change Notice-10/12/2007
NWS TIN-11/14/2007
12/4/2007
GSI (Gridpoint Statistical Interpolation) UPGRADE -
Changes:
1. Modify GSI code to permit assimilation of SBUV-8 and JMA wind data.
2. Upgrade to latest version of GSI.
Expected Benefits:
1. Incremental improvement due to addition of new data types.
N/A
GSI INFO
12/4/2007
NAEFS/TIGGE UPGRADE
Changes:
1. GFS deterministic model bias corrected (bc) output through F180
2. GFS bc output used in GEFS processing
3. Combine NCEP/GEFS (20 member) and CMC/GEFS (20 member)  to produce: Ensemble mean and anomaly, ensemble spread and mode along with 10%,50%,90% probability forecast at 1x1 degree resolution.
4. Statistical downscaling by using RTMA as a reference:
a. At NDGD (5km) resolution (CONUS), generate mean and mode along with 10%, 50% and 90% probability forecast
N/A
NAEFS INFO
TIGGE INFO
NCEP Change Notice-10/12/2007
NWS TIN-10/24/2007
12/12/2007 SREF UPGRADE - Bias correction for all fields, except QPF, and add Alaska domain for RSM component. No change to NP
products.
NCEP Change Notice-10/24/2007
Bias Corrected Fields
NWS TIN-11/09/2007

FY2006 IMPLEMENTATIONS ON CCS AND NOAAPORT

DATE
CHANGE
NOTICES
03/07/2006
06/18 UTC NAM start time delayed 25 minutes
IMPLEMENTED ON CCS.
NWS Change Notice (MS-Word)
03/28/2006
10 Member Wave Model Ensembles
IMPLEMENTED ON CCS.

04/19/2006
NCEP operational and non-operational ftp services
split apart.  IMPLEMENTED.
NCEP Change Notice (HTML)
05/09/2006 NAM BUFR soundings to 84 hours.
IMPLEMENTED ON CCS.
NWS Change Request (MS-Word)
NWS Change Notice (MS-Word)
05/30/2006
NAEFS (Global Ensembles) -
MAJOR PRODUCT OVERHAUL
IMPLEMENTED ON CCS.
NCEP FTP Server Change Notice (HTML)
NWS FTP Server Change Notice (HTML)
06/06/2006

SREF system ensemble products to NOAAPORT
(Data sent to NWS/TOC ... not yet routed to NOAAPORT)
IMPLEMENTED ON CCS.
NWS Change Request-Grid 212
NWS Change Request-Grid 216
NWS Change Request-Grid 243
NWS Change Notice (MS-Word)
06/06/2006
Deletion of Several Legacy Fax Charts
IMPLEMENTED ON CCS.
NWS Change Notice (MS-Word)
06/20/2006 NAM/Eta replaced with NAM/NMM in WRF framework
Postponed to June 20, 2006 due to Critical Weather
IMPLEMENTED ON CCS.
NWS Change Notice (MS-Word)
NCEP Change Notice (HTML)
06/27/2006
SREF - Increase from 2 to 4 runs per day
IMPLEMENTED ON CCS.

07/11/2006 13km RUC 2006 Spring Bundle
IMPLEMENTED ON CCS.

08/08/2006
GFS BUFR Soundings to NOAAPORT
IMPLEMENTED ON CCS.
(Data sent to NWS/TOC ... not yet routed to NOAAPORT)
NWS Change Request (MS-Word)
NWS Change Notice (MS-Word)
List of parameters contained in these data
Sample Data
08/08/2006
1/12 degree global SST analysis to NOAAPORT
IMPLEMENTED ON CCS.
(Data sent to NWS/TOC ... not yet routed to NOAAPORT)
NWS Change Request (MS-Word)
NWS Change Notice (MS-Word)
Sample Data
08/08/2006 NAM Simulated Reflectivity products to NOAAPORT
IMPLEMENTED ON CCS.
(Data sent to NWS/TOC, not yet routed to NOAAPORT)
NWS Change Request (MS-Word)
NWS Change Notice (MS-Word)
Sample Data
08/22/2006 Real Time Mesosacle Analysis (5 km CONUS) to AWIPS
IMPLEMENTED ON CCS.
NWS Change Request (MS-Word)
NWS Change Notice (MS-Word)
08/22/2006 GFS - Hybrid sigma-pressure level implementation
IMPLEMENTED ON CCS.
NWS Change Notice (MS-Word)
08/22/2006 Great Lakes wave model
IMPLEMENTED ON CCS.

12/19/2006
NAM - WRF - NDAS - DGEX Crisis change
IMPLEMENTED ON CCS.
NWS Technical Information Notice



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Page last modified: Tuesday, 21-Oct-2014 23:46:08 UTC