20070205: Real time mesoscale GRIDS-Fwd: ADMIN NOTICE NOUS41 KWBC]

[Linda Miller]

-------- 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 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:  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 2006
         
AMENDED 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.PDF

NCEP 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.CONUS

THE 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 MD
     PHONE:  301-763-8051 EXT. 110 
     EMAIL: JOHN.PAQUETTE at NOAA.GOV
      
        OR

     CURTIS HOLLAND 
     NESDIS
     CAMP SPRINGS MD
     PHONE:  301-763-8142 EXT. 133 
     EMAIL: CURTIS.HOLLAND at NOAA.GOV 

FOR THE OTHER RTMA PRODUCTS:

     GEOFFREY MANIKEN
     NCEP
     CAMP SPRINGS MD
     PHONE:  301-763-8000 EXT. 7263
     EMAIL: GEOFFREY.MANIKEN at NOAA.GOV

        OR

     MANUEL PONDECA
     NCEP
     CAMP SPRINGS MD
     PHONE:  301-763-8000 EXT. 7734
     EMAIL: MANUEL.PONDECA at 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

$$


-- 
Linda Miller - lmiller at unidata.ucar.edu
Community Services, Unidata
University Corporation for Atmospheric Research
P.O. Box 3000
Boulder, CO 80307-3000
303-497-8646 fax: 303-497-8690 


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