NOUS41 KWBC 041419 PNSWSH PUBLIC INFORMATION STATEMENT... COMMENT REQUEST NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 1020 AM EST MON OCTOBER 4 2004 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: SOLICITING PUBLIC COMMENTS BY NOVEMBER 5 2004 ON REMOVAL OF NGM-BASED TRAJECTORY MODEL AND ASSOCIATED PRODUCTS NWS IS SOLICITING COMMENTS BY NOVEMBER 5 2004 ON PLANS TO REMOVE THE NESTED GRID MODEL /NGM/-BASED TRAJECTORY MODEL AND ASSOCIATED PRODUCTS FROM THE NWS PRODUCTION STREAM. PLEASE SEND COMMENTS ON THE FOLLOWING PROPOSAL TO: PAUL DALLAVALLE MDL... SILVER SPRING MD PHONE: 301 713 0023 EXT. 135 E-MAIL: PAUL.DALLAVALLE@NOAA.GOV OR KATHRYN HUGHES MDL SILVER SPRING MD PHONE: 301 713 0023 EXT. 130 E-MAIL: KATHRYN.HUGHES@NOAA.GOV BACKGROUND THE NWS METEOROLOGICAL DEVELOPMENT LABORATORY /MDL/ IS RESPONSIBLE FOR THE OPERATION AND MAINTENANCE OF A TRAJECTORY MODEL. THIS MODEL PREDICTS THE TRAJECTORY OF AIR PARCELS BASED ON THE 3-D WIND FIELD OF THE NGM. THE PRODUCTS GENERATED WITHIN THIS MODEL ARE LISTED BELOW. THE NWS IS MAKING CHANGES TO THE OPERATIONAL COMPUTING ENVIRONMENT AS WELL AS THE TELECOMMUNICATIONS GATEWAY. WITHOUT SIGNIFICANT MODIFICATIONS... THE CURRENT TRAJECTORY-BASED PRODUCTS CANNOT BE PRODUCED. THE NWS HAS NOT RECEIVED FEEDBACK FROM THE FORECAST COMMUNITY INDICATING THEY ARE USING THE CURRENT TRAJECTORY MODEL PRODUCTS. WITHOUT SUCH A REQUIREMENT MDL LACKS ADEQUATE RESOURCES TO UPGRADE THE CURRENT PRODUCTS. PROPOSED CHANGE PENDING THE RESULTS OF THIS REQUEST FOR COMMENT... ON TUESDAY JANUARY 11 2005 NWS WILL REMOVE THE NGM-BASED TRAJECTORY MODEL AND ALL OF THE ASSOCIATED PRODUCTS LISTED BELOW FROM THE NWS PRODUCTION STREAM. THE FOLLOWING PRODUCTS WOULD BE REMOVED: WMO HEADER AWIPS ID NGM-BASED TRAJECTORY MODEL TEXT PRODUCTS FOUS50 KWNO NMCFTJ50 FOUS51 KWNO NMCFTJ51 FOUS52 KWNO NMCFTJ52 FOUS53 KWNO NMCFTJ53 FOUS54 KWNO NMCFTJ54 FOUS55 KWNO NMCFTJ55 FOUS56 KWNO NMCFTJ56 FOUS57 KWNO NMCFTJ57 NGM-BASED THUNDERSTORM PROBABILITIES FOR ALASKA YDTF98 KWBC YDTD98 KWBC YDTH98 KWBC TRAJECTORY-MODEL-BASED REDBOOK GRAPHICS PMNE98 KWNO 24-H SURFACE TRAJECTORIES PMNE70 KWNO 24-H 700 MB TRAJECTORIES PMNE85 KWNO 24-H 850 MB TRAJECTORIES PJME04 KWNO 24-H SURFACE DEWPOINT TEMPERATURE PJME05 KWNO 24-H 850 MB TEMPERATURE PJME06 KWNO 24-H 700 MB DEWPOINT TEMPERATURE PJME07 KWNO 12-24H 700 MB NET VERTICAL DISPLACEMENT PJMG07 KWNO 24-36H 700 MB NET VERTICAL DISPLACEMENT PJMI07 KWNO 36-48H 700 MB NET VERTICAL DISPLACEMENT PJME08 KWNO 24-H K-INDEX PJME44 KWNO 6-24H THUNDERSTORM PROBABILITY PJME45 KWNO 6-24H SEVERE WEATHER PROBABILITY PJMI44 KWNO 24-48H THUNDERSTORM PROBABILITY PJMI45 KWNO 24-48H SEVERE WEATHER PROBABILITY PJMG44 KWNO 12-36H THUNDERSTORM PROBABILITY PJMG45 KWNO 12-36H SEVERE WEATHER PROBABILITY PJMJ44 KWNO 36-60H THUNDERSTORM PROBABILITY PJMJ45 KWNO 36-60H SEVERE WEATHER PROBABILITY IN ADDITION THE FOLLOWING DIRECTORIES AND THEIR CONTENTS WILL BE REMOVED FROM THE NWS FTP SERVER... TGFTP.NWS.NOAA.GOV AT /USE LOWER CASE LETTERS/: FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/DF.GR1/DC.TRAJ/ FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/DF.ANF/DC.TRAJ/ THIS NOTICE AND OTHER CURRENT NATIONAL PUBLIC INFORMATION STATEMENTS ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/: HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM THIS MESSAGE IS LISTED AT THE TOP OF THE PAGE ABOVE THE SERVICE CHANGE NOTICE AND TECHNICAL IMPLEMENTATION NOTICE BOX. $$ NNNN