NOUS41 KWBC 261308
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 07-94
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
808 AM EST MON NOV 26 2007

TO:       FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER   
          WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS  
          WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...  
          NOAAPORT SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE 
          /NWS/ CUSTOMERS AND PARTNERS...NWS EMPLOYEES

FROM:     PAUL HIRSCHBERG
          CHIEF...SCIENCE PLANS BRANCH
          OFFICE OF SCIENCE AND TECHNOLOGY /OST/

SUBJECT:  REMOVAL OF NGM-LAMP GUIDANCE PRODUCTS FROM NWS WEB    
          SITES AND FTP SERVERS AND REPLACEMENT BY THE LOCALIZED
          AVIATION MOS PROGRAM: EFFECTIVE JANUARY 15 2008

EFFECTIVE TUESDAY JANUARY 15 2008...BEGINNING WITH THE 1400 
COORDINATED UNIVERSAL TIME /UTC/ RUN...THE NWS WILL NO LONGER 
PRODUCE NESTED GRID MODEL /NGM/-BASED LOCAL AWIPS MOS PROGRAM 
/LAMP/ GUIDANCE. A PUBLIC INFORMATION STATEMENT WAS ISSUED ON 
AUGUST 13 2007 REQUESTING COMMENTS ON THE PROPOSED TERMINATION OF 
THE NGM-LAMP PRODUCT. BASED ON THE RESPONSES RECEIVED...THE 
DECISION WAS MADE TO TERMINATE THE PRODUCT. FOR DETAILS ABOUT 
THIS DECISION PLEASE SEE THE MEMORANDUM FOR THE RECORD AT  
/USE LOWER CASE LETTERS/: 
 
  HTTP://WWW.WEATHER.GOV/INFOSERVICECHANGES/TERMNGMLAMP.PDF

THE GLOBAL FORECAST SYSTEM /GFS/- LAMP SYSTEM...RENAMED THE 
LOCALIZED AVIATION MOS PROGRAM...REPLACES THE NGM-LAMP PRODUCT.
CURRENTLY THE NEW GFS-BASED LAMP SYSTEM IS RUNNING OPERATIONALLY 
WITH MORE CYCLES THAN THE NGM-BASED LAMP SYSTEM AND WILL 
EVENTUALLY PROVIDE UPDATED GUIDANCE EVERY HOUR OF THE DAY. IN 
ADDITION THE NUMBER OF STATIONS FOR WHICH FORECASTS ARE GENERATED 
IN THE NEW GFS-LAMP SYSTEM HAS SIGNIFICANTLY INCREASED FROM THE 
NGM-LAMP SYSTEM. 

WITH THE REMOVAL OF THE NGM-LAMP SYSTEM...THE NGM-LAMP GUIDANCE 
WILL NO LONGER BE AVAILABLE ON THE NWS WEB PAGE OF /USE LOWER 
CASE LETTERS/:

  HTTP://WWW.NWS.NOAA.GOV/MDL/LAMP/NGMLAMP.SHTML

THE NGM-LAMP PRODUCTS LISTED BELOW WILL NO LONGER BE AVAILABLE ON 
THE NWS FTP SERVER /USE LOWER CASE LETTERS/ TGFTP.NWS.NOAA.GOV:

NGM-LAMP ASCII TEXT BULLETINS LOCATED ON THE NWS FTP SERVER 
IN THE FOLLOWING DIRECTORY WITH THE FOLLOWING FILENAMES /USE 
LOWER CASE EXCEPT FOR THE SL...DF...AND DC/:

      SL.US008001/DF.ANF/DC.LAMP/CY.HH.TXT

WHERE HH IS THE CYCLE OF THE NGM-LAMP GUIDANCE IN 
UTC...AND CAN BE ANY OF 
02...05...08...11...14...17...20...OR 23.

NGM-LAMP GRIB1 QUANTITATIVE PRECIPITATION FORECASTS LOCATED 
ON THE NWS FTP SERVER IN THE FOLLOWING DIRECTORY WITH THE 
FOLLOWING FILENAMES /USE LOWER CASE EXCEPT FOR THE 
SL...DF...DC...AND RD/:

SL.US008001/DF.GR1/DC.LAMP/RD.YYYYMMDD/CY.HH.BIN

WHERE YYYY IS THE CURRENT YEAR IN 4 DIGITS...MM IS THE 
CURRENT MONTH IN TWO DIGITS...AND DD IS THE CURRENT DAY 
IN TWO DIGITS.  HH IS THE CYCLE OF THE NGM-LAMP 
GUIDANCE IN UTC...AND CAN BE ANY OF 
02...05...08...11...14...17...20...OR 23.

FOR YOUR REFERENCE KEY DIFFERENCES BETWEEN THE NGM-LAMP SYSTEM 
AND THE GFS-LAMP SYSTEM ARE SUMMARIZED AT /USE LOWER CASE 
LETTERS/:  
 
  WWW.WEATHER.GOV/MDL/GFSLAMP/DOCS/PLAN_NGMLAMP_REMOVAL.SHTML
 
FOR MORE DETAILS ON THE NEW GFS-LAMP SYSTEM, PLEASE SEE  
/USE LOWER CASE LETTERS/: 
 
  HTTP://WWW.WEATHER.GOV/MDL/LAMP/

FOR QUESTIONS ABOUT THESE PRODUCTS OR THE LAMP GUIDANCE... 
PLEASE CONTACT:

     JUDY GHIRARDELLI
     MDL/SILVER SPRING MARYLAND
     PHONE:  301-713-0056 EXT. 194
     E-MAIL: JUDY.GHIRARDELLI@NOAA.GOV

THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE 
ONLINE AT /USE LOWER CASE LETTERS/: 

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

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