NOUS41 KWBC 011154
PNSWSH

PUBLIC INFORMATION STATEMENT...COMMENT REQUEST 
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
754 AM EDT TUE JUL 1 2008

TO:       SUBSCRIBERS:
          -FAMILY OF SERVICES
          -NOAA WEATHER WIRE SERVICE
          -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
          -NOAAPORT
          OTHER NWS PARTNERS...USERS AND EMPLOYEES

FROM:     JASON TUELL  
          OFFICE OF SCIENCE AND TECHNOLOGY  
          NATIONAL WEATHER SERVICE HEADQUARTERS

SUBJECT:  COMMENTs REQUESTED BY SEPTEMBER 9 2008: PROPOSED 
          TERMINATION OF THE NGM AND RELATED NGM-BASED PRODUCTS 
	  EFFECTIVE MARCH 2009

THE NWS IS SEEKING USER COMMENTS BY SEPTEMBER 9 2008 ON THE 
PROPOSED TERMINATION OF THE NESTED GRID MODEL /NGM/...DIRECT MODEL 
OUTPUT BUFR/TEXT PRODUCTS AND NGM-BASED PRODUCTS. 

NGM-BASED PRODUCTS INCLUDE NGM MODEL OUTPUT STATISTICS 
/MOS/...NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/-BASED 
PRODUCTS AND A TRAJECTORY MODEL PROVIDED BY THE METEOROLOGICAL 
DEVELOPMENT LABORATORY /MDL/.

NGM IS A LEGACY MODEL THAT HAS NOT HAD ANY DEVELOPMENT SINCE 1998. 
OTHER MODELS SUCH AS THE RAPID UPDATE CYCLE /RUC/ MODEL... GLOBAL 
FORECAST SYSTEM /GFS/...THE NORTH AMERICAN MESOSCALE /NAM/ 
MODEL...AND SHORT RANGE ENSEMBLE FORECAST /SREF/ MODEL ALL PROVIDE 
GUIDANCE PRODUCTS SUPERIOR IN PHYSICS AND RESOLUTION. NEWER 
PRODUCTS ARE RUN MORE OFTEN /4X OR MORE PER DAY VS. 2X PER DAY FOR 
THE NGM/ AND RUN OUT TO LATER FORECAST HOURS /GFS RUNS OUT TO 384 
HOURS VS. 48 HOURS FOR THE NGM/.  

THE NWS IS PROPOSING TO TERMINATE THE NGM AND NGM-BASED PRODUCTS 
EFFECTIVE MARCH 2009. THE FOLLOWING PRODUCTS WOULD BE REMOVED: 

1.   NGM MODEL PRODUCTS AVAILABLE ALONG WITH THE REPLACEMENT/
     ALTERNATIVE PRODUCTS AT /USE LOWER CASE/:

     HTTP://WWW.NCO.NCEP.NOAA.GOV/PMB/NWPROD/ANALYSIS/

2.   NGM-MOS PRODUCTS WITH REPLACEMENT/ALTERNATIVE PRODUCTS AT 
     /USE LOWER CASE/: 

     HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/PRODUCTS.PHP

3.   NGM-BASED GUIDANCE AVAILABLE ON THE NWS FTP SERVER AT 
     /USE LOWER CASE/: 

     FTP://TGFTP.NWS.NOAA.GOV

4.   TRAJECTORY MODEL AVAILABLE AT /USE LOWER CASE LETTERS EXCEPT
     FOR SL...DF...AND DC/:

     FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/DF.GR1/DC.TRAJ/ 

A LIST OF NGM-BASED PRODUCTS FROM MDL ALONG WITH REPLACEMENT/ 
ALTERNATIVE PRODUCTS IS AVAILABLE AT /USE LOWER CASE/:

     HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/CHANGES/NGMREMOVE_MDL.PHP

A LIST OF NGM DIRECT MODEL PRODUCTS FROM NCEP ALONG WITH 
REPLACEMENT/ALTERNATIVE PRODUCTS IS ONLINE AT /USE LOWER CASE/:

     HTTP://WWW.NCO.NCEP.NOAA.GOV/PMB/PRODUCTS/NGM/

SEND COMMENTS ON THIS PROPOSED TERMINATION BY SEPTEMBER 9 2008 TO

     NGMREMOVAL.COMMENTS@NOAA.GOV. 

PLEASE USE: SUBJECT: NGM REMOVAL COMMENT 

IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:

DOUGLAS HILDERBRAND
NATIONAL WEATHER SERVICE
OFFICE OF SCIENCE AND TECHNOLOGY
PHONE:  301-713-3557 EXT. 179
E-MAIL: DOUGLAS.HILDERBRAND@NOAA.GOV

NWS PUBLIC INFORMATION STATEMENTS ARE ONLINE AT /USE LOWER CASE/: 

     HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$
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