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TECHNICAL IMPLEMENTATION NOTICE 05-37
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1:PM EDT FRI MAY 13 2005
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... AND NWS EMPLOYEES
FROM: GLENN AUSTIN
NATIONAL DIGITAL SERVICES PROGRAM MANAGER
OFFICE OF CLIMATE WATER AND WEATHER SERVICES
SUBJECT: NATIONAL DIGITAL FORECAST DATABASE IMPROVEMENTS FOR THE CONTIGUOUS
UNITED STATES...PUERTO RICO...AND HAWAII...EFFECTIVE JUNE 15 2005
AT 1400 UTC
REFER TO: TECHNICAL IMPLEMENTATION NOTICE /TIN/ 05-24 CORRECTED SENT
MARCH 16 2005...MOST RECENT TIN RELATED TO NDFD
THIS IS THE LATEST IN A SERIES OF MESSAGES TO UPDATE CUSTOMERS ON
THE STATUS OF THE NATIONAL DIGITAL FORECAST DATABASE /NDFD/
ELEMENTS...AS PROMISED IN TECHNICAL IMPLEMENTATION NOTICE /TIN/
05-24.
TWO CHANGES IN NDFD SERVICE WILL BE IMPLEMENTED JUNE 15 2005 AT
1400 COORDINATED UNIVERSAL TIME /UTC/:
-TWO NEW EXPERIMENTAL ELEMENTS WILL BE AVAILABLE ON THE FILE
TRANSFER PROTOCOL /FTP/ SERVER FOR THE LOWER 48
STATES...PUERTO RICO...HAWAII...AND
GUAM
-SIX EXPERIMENTAL ELEMENTS WILL BE UPGRADED TO OPERATIONAL
STATUS FOR PUERTO RICO AND HAWAII
THESE CHANGES ARE DESCRIBED BELOW.
THE CURRENT STATUS OF EACH OF THE 14 NDFD ELEMENTS FOR EACH
DOMAIN...IS AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/NDFD/DEVELOPMENT.HTM
1/ THE INITIAL OPERATING CAPABILITY OF THE NDFD INCLUDED 12
FORECAST ELEMENTS. ADDITIONAL ELEMENTS ARE ADDED TO THE NDFD
PERIODICALLY. THE FIRST TWO ADDITIONAL EXPERIMENTAL
ELEMENTS...RELATIVE HUMIDITY AND APPARENT TEMPERATURE... WILL BE
ADDED ON JUNE 15 2005 AT 1400 UTC. THESE NEW ELEMENTS WILL BE
DERIVED FROM THE OPERATIONAL TEMPERATURE...OPERATIONAL DEWPOINT...AND
EXPERIMENTAL WIND GRIDDED FORECASTS...AND WILL BE PRODUCED FOR THE
LOWER 48 STATES...PUERTO RICO...HAWAII...AND GUAM. GRIDDED
FORECASTS OF RELATIVE HUMIDITY AND APPARENT TEMPERATURE WILL BE
AVAILABLE FOR DAYS 1 THROUGH 7 AT 5 KILOMETER SPATIAL
RESOLUTION...AND THE FOLLOWING FORECAST PROJECTIONS:
DAYS 1-3EVERY 3 HOURS
DAYS 4-7EVERY 6 HOURS
SPECIFIC INFORMATION FOR FTP USERS TO PULL THIS DATA IN GRIB2
FORMAT IS AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/NDFD/OPER_IMPLEM.HTM
NEW NDFD GRAPHICS FOR THESE EXPERIMENTAL ELEMENTS WILL BE
AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/FORECASTS/GRAPHICAL/SECTORS/
THESE NEW EXPERIMENTAL ELEMENTS WILL ALSO BE ACCESSIBLE FROM THE
NDFD EXTENSIBLE MARKUP LANGUAGE /XML/ VIA WEB SERVICE /USE LOWER
CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/XML/
2/ ALSO ON JUNE 15 2005 AT 1400 UTC...THE FOLLOWING ELEMENTS WILL
BE UPGRADED FROM EXPERIMENTAL TO OPERATIONAL FOR PUERTO RICO AND
HAWAII:
MAXIMUM TEMPERATURETEMPERATURE
MINIMUM TEMPERATUREDEWPOINT
12-HOUR PROBABILITY OF PRECIPITATIONWEATHER
THESE SIX FORECAST ELEMENTS ARE ALREADY IN OPERATIONAL STATUS FOR
THE LOWER 48 STATES. WE EXPECT TO MAKE THESE SAME SIX ELEMENTS
OPERATIONAL FOR GUAM LATER THIS YEAR. STAY TUNED TO FUTURE
TECHNICAL IMPLEMENTATION NOTICES FOR FURTHER INFORMATION.
THIS CHANGE AFFECTS USERS WHO PULL THESE ELEMENTS FOR PUERTO RICO
AND HAWAII IN GRID FORMAT FROM THE NWS FILE TRANSFER PROTOCOL
/FTP/ SERVER. SPECIFIC INFORMATION FOR FTP USERS REGARDING THIS
CHANGE IS AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/NDFD/OPER_IMPLEM.HTM
THIS CHANGE WILL BE TRANSPARENT TO USERS OF THE NDFD NATIONAL
GRAPHICAL FORECASTS FOR PUERTO RICO AND HAWAII AVAILABLE ONLINE AT
/USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/FORECASTS/GRAPHICAL/SECTORS/
AND USERS OF THE NDFD XML VIA WEB SERVICE:
HTTP://WWW.WEATHER.GOV/XML/
THE NWS WILL CONTINUE TO ASSESS THE OPERATIONAL READINESS OF THE
REMAINING EXPERIMENTAL ELEMENTS OVER THE NEXT THREE MONTHS. WE
WILL PROVIDE THE NEXT OPERATIONAL READINESS STATUS MESSAGE AS A
TECHNICAL IMPLEMENTATION NOTICE NO LATER THAN AUGUST 15 2005.
USERS WILL BE GIVEN A MINIMUM OF 30 DAYS ADVANCE NOTICE OF OUR
DECISION TO DECLARE ANY ADDITIONAL NDFD ELEMENTS OPERATIONAL OR TO
ADD ANY MORE EXPERIMENTAL ELEMENTS.
RELATED NDFD WEB SITES /USE LOWER CASE LETTERS FOR THESE URLS/:
CONTENT OF THE NDFD GRIDDED DATA FILES AND INSTRUCTIONS FOR
ACCESSING THE OPERATIONAL AND EXPERIMENTAL GRID ELEMENTS IN EITHER
GRIDDED BINARY /GRIB2/ FORMAT OR EXTENSIBLE MARKUP LANGUAGE /XML/:
HTTP://WWW.WEATHER.GOV/NDFD/TECHNICAL.HTM
HTTP://WWW.WEATHER.GOV/XML/
NDFD GRAPHICS:
HTTP://WWW.WEATHER.GOV/FORECASTS/GRAPHICAL/SECTORS/
PRODUCT DESCRIPTION DOCUMENTS /PDD/ FOR THE EXPERIMENTAL NDFD
GRIDDED DATA AND GRAPHICS:
HTTP://PRODUCTS.WEATHER.GOV/VIEWLISTE.PHP
GO TO PAGE 5 FOR ONE PDD DESCRIBING THE EXPERIMENTAL NDFD
GRIDDED DATA AND A SECOND PDD DESCRIBING THE EXPERIMENTAL
NDFD GRAPHICS DATA
NDFD VERIFICATION INFORMATION:
HTTP://WWW.WEATHER.GOV/NDFD/VERIFICATION/
USERS OF THE EXPERIMENTAL GRID PRODUCTS MAY PROVIDE FEEDBACK ON
WHICH ELEMENTS ARE MOST NEEDED AND WHICH APPEAR READY TO BE
DESIGNATED OPERATIONAL. A BRIEF SURVEY AND COMMENT FORM IS
AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=NDFD-GRIDS
IF YOU HAVE QUESTIONS REGARDING THIS NOTICE...PLEASE CONTACT:
CHRIS ALEX
NATIONAL WEATHER SERVICE
OCCWS...DIGITAL SERVICES
1325 EAST WEST HIGHWAY
SILVER SPRING MARYLAND 20910
EMAIL: CHRISTINE.ALEX@xxxxxxxx
IF YOU HAVE TECHNICAL QUESTIONS REGARDING THE NDFD DATA...PLEASE
CONTACT:
DAVID RUTH
CHIEF...MESOSCALE PREDICTION BRANCH
NATIONAL WEATHER SERVICE
OFFICE OF SCIENCE AND TECHNOLOGY
1325 EAST WEST HIGHWAY
SILVER SPRING MARYLAND 20910
EMAIL: DAVID.RUTH@xxxxxxxx
THIS INFORMATION WILL ALSO BE POSTED ON THE NWS DATA MANAGEMENT
CHANGE NOTICES WEB PAGE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/DATAMGMT/NOTICES.SHTML
THIS AND ALL OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE
AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/OM/NOTIF.HTM
$$
NNNN
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