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-------- Original Message --------268 NOUS41 KWBC 051457
PNSWSH TECHNICAL IMPLEMENTATION NOTICE 06-24...AMENDED NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 955 AM EST MON FEB 5 2007 TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERSWEATHER 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: AMENDED: ADDITION OF REAL TIME MESOSCALE ANALYSIS GRIDS: EFFECTIVE FEBRUARY 20 2007
REFER TO: TECHNICAL IMPLEMENTATION NOTICE /TIN/ 06-24 TRANSMITTED ON MAY 2 2006 AND AMENDED TIN 06-24 TRANSMITTED ON AUGUST 21 2006AMENDED TO CHANGE EFFECTIVE DATE FROM OCTOBER 17 2006 TO FEBRUARY 20 2007 FOR THE GOES EFFECTIVE CLOUD AMOUNT /ECA/ PRODUCT. TEXT OF THE PREVIOUS AMENDED NOTICE /CONCERNING ONLY THE RTMA GOES EFFECTIVE CLOUD AMOUNT PRODUCT/...WITH REVISED DATES...IS GIVEN BELOW:
EFFECTIVE ON TUESDAY FEBRUARY 20 2007...BEGINNING AT 1500 COORDINATED UNIVERSAL TIME /UTC/...NESDIS-PRODUCED RTMA GOES EFFECTIVE CLOUD AMOUNT PRODUCTS WILL BEGIN DISSEMINATION VIA NOAAPORT AND THE NATIONAL DIGITAL GUIDANCE DATABASE /NDGD/. UNCERTAINTY GRIDS WILL NOT BE PROVIDED FOR THIS RTMA PRODUCT. AS THE NAME SUGGESTS THE RTMA GRIDS ARE INTENDED FOR DISTRIBUTION IN NEAR REAL TIME. THUS NCEP AND NESDIS EXPLOIT ALL READILY AVAILABLE SATELLITE...RADAR...RAIN GAGE...ASOS... MESONET...AND OTHER SENSOR DATA IN THE GENERATION OF THESE GRIDS. THE SENSOR DATA ARE INTERPOLATED TO A 5 KM RESOLUTION CONUS GRID AND ENCODED IN GRIB2.
NESDIS WILL GENERATE THE ECA PRODUCT EACH HOUR. EACH HOURLY GRID SET WILL HAVE A VALID TIME CORRESPONDING TO AN EVEN HOUR /I.E. 0000...0100...0200...THRU 2300/. ALL RTMA GRIDS WILL BE DISSEMINATED VIA NOAAPORT AND AVAILABLE ON NDGD AT APPROXIMATELY 45 MINUTES AFTER THE VALID TIME HOUR.
THE HOURLY DATA VOLUME FOR THIS PRODUCT WILL BE APPROXIMATELY 5 MEGABYTES /MB/.
THE GRID LISTED IN TABLE 1 WILL BE CARRIED ON NOAAPORT AND NDGD.
TABLE 1: NOAAPORT AND NDGD RTMA GRIDS WMO HEADING RTMA PARAMETERS LAMA98 KNES GOES EFFECTIVE CLOUD AMOUNT /NO UNCERTAINTY GRID/ADDITIONAL ECA INFORMATION IS AVAILABLE ONLINE AT /USE LOWER CASE LETTERS EXCEPT FOR /PDD/RTMAPDD1/:
HTTP://PRODUCTS.WEATHER.GOV/PDD/RTMAPDD1.PDFNCEP AND NESDIS WILL CONTINUE TO DEVELOP AND REFINE THE RTMA PRODUCTS. USERS ARE ENCOURAGED TO PROVIDE FEEDBACK ON THE EXPERIMENTAL RTMA PRODUCTS USING THE BRIEF SURVEY AND COMMENT FORM AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RTMA THE NDGD GRIDS WILL BE AVAILABLE IN NDGD ON THE NWS FTP SERVER IN SUBDIRECTORIES OF /USE LOWER CASE LETTERS EXCEPT FOR SL...ST...DF... DC...GT...AND AR/: FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/ST.EXPR/DF.GR2/DC.NDGD/GT.RT MA/AR.CONUSTHE EFFECTIVE DATE OF THIS CHANGE IS SOONER THAN SPECIFIED BY NWS POLICY. THE SHORTER ADVANCE LEAD TIME WAS CAUSED BY THE NECESSITY TO CONDUCT DEVELOPMENT TESTING AND EVALUATION FOR PRODUCT IMPROVEMENTS TO BETTER SERVE THE USERS. THE SHORTER LEAD TIME WAS APPROVED BECAUSE IT IS EXPECTED THAT USERS WILL NOT HAVE TO MAKE MAJOR ADJUSTMENTS TO ACCOMMODATE THESE CHANGES.
IF YOU HAVE ANY QUESTIONS CONCERNING THE ECA PRODUCT OR OTHER RTMA PRODUCTS...THEN PLEASE CONTACT:
FOR THE ECA PRODUCT: JOHN PAQUETTE NESDIS CAMP SPRINGS MDPHONE: 301-763-8051 EXT. 110 EMAIL: JOHN.PAQUETTE@xxxxxxxx OR
CURTIS HOLLAND NESDIS
CAMP SPRINGS MDPHONE: 301-763-8142 EXT. 133 EMAIL: CURTIS.HOLLAND@xxxxxxxx
FOR THE OTHER RTMA PRODUCTS: GEOFFREY MANIKEN NCEP CAMP SPRINGS MD PHONE: 301-763-8000 EXT. 7263 EMAIL: GEOFFREY.MANIKEN@xxxxxxxx OR MANUEL PONDECA NCEP CAMP SPRINGS MD PHONE: 301-763-8000 EXT. 7734EMAIL: MANUEL.PONDECA@xxxxxxxx THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM $$ -- Linda Miller - lmiller@xxxxxxxxxxxxxxxx Community Services, Unidata University Corporation for Atmospheric Research P.O. Box 3000 Boulder, CO 80307-3000303-497-8646 fax: 303-497-8690
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