-------- Original Message --------
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NOUS41 KWBC 151718
PNSWSH
SERVICE CHANGE NOTICE 07-18...AMENDED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
120 PM EDT FRI JUN 15 2007
TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER
WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS
WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...
NOAAPORT SUBSCRIBERS...NATIONAL WEATHER SERVICE /NWS/
PARTNERS AND OTHER USERS...AND NWS EMPLOYEES
FROM: THOMAS GRAZIANO
ACTING CHIEF...HYDROLOGIC SERVICES DIVISION
SUBJECT: AMENDED: ENHANCEMENTS TO ADVANCED HYDROLOGIC
PREDICTION SERVICE WEB PAGES: EFFECTIVE DATE OF
MAY 9 2007 POSTPONED: NEW DATE JULY 18 2007
REFER TO: SERVICE CHANGE NOTICE /SCN/ 07-18 TRANSMITTED
ON APRIL 11 2007
AMENDED TO INDICATE THE EFFECTIVE DATE FOR ENHANCING SERVICES
PROVIDED BY NOAA/S NATIONAL WEATHER SERVICE ON ITS ADVANCED
HYDROLOGIC PREDICTION SERVICE WEB PAGES IS POSTPONED FROM MAY 9
2007 UNTIL JULY 18 2007.
BOTH CURRENT AND ENHANCED FEATURES ARE/WILL BE AVAILABLE AT
/USE LOWER CASE LETTERS/:
HTTP://WEATHER.GOV/AHPS/
NEW CAPABILITIES WILL INCLUDE BOTH NATIONAL AND LOCAL MAPS
SHOWING FORECAST RIVER LEVELS AND DISTRIBUTION OF OBSERVED
PRECIPITATION. THE RIVER LEVEL FORECASTS WILL COMPLEMENT EXISTING
MAPS OF OBSERVED RIVER LEVELS.
PRECIPITATION INFORMATION WILL DISPLAY SPATIAL VARIATION AT A
RESOLUTION OF 4 KM. PRECIPITATION INFORMATION WILL BE SIMILAR TO
AN EXISTING EXPERIMENTAL SERVICE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.SRH.NOAA.GOV/RFCSHARE/PRECIP_ANALYSIS_NEW.PHP
IN ADDITION MUCH OF THE INFORMATION DISPLAYED ON THESE WEB PAGES
WILL BE AVAILABLE FOR DOWNLOAD THROUGH THE MECHANISMS DESCRIBED
IN THE FOLLOWING PARAGRAPHS.
1. XML
OBSERVATIONS AND FORECAST VALUES AT OVER 3700 LOCATIONS WILL BE
AVAILABLE FOR DOWNLOAD IN AN EXTENSIBLE MARKUP LANGUAGE /XML/
FORMAT. NOTE: THIS CAPABILITY ALREADY EXISTS. IT IS NOT A NEW
FEATURE. THE SCHEMA USED IS DOCUMENTED AT /USE LOWER CASE
LETTERS/:
HTTP://WEATHER.GOV/OHD/HYDROXC/SCHEMAS/HYDROGEN/HYDROGENDATA.XSD
2. RSS
OBSERVED AND FORECAST RIVER LEVELS WILL BE AVAILABLE THROUGH A
REAL SIMPLE SYNDICATION /RSS/ SUBSCRIPTION. AN OPTION OF THE
SUBSCRIPTION SERVICE WILL PROVIDE INFORMATION ONLY WHEN RIVER
LEVELS APPROACH OR EXCEED FLOOD STAGE. THIS SERVICE IS CURRENTLY
AVAILABLE ON AN EXPERIMENTAL BASIS IN NORTHEASTERN PORTIONS OF
THE COUNTRY. INFORMATION ON THE EXPERIMENTAL SERVICE IS AVAILABLE
AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/AHPS/RSS/
3. GIS
INFORMATION WILL BE PROVIDED IN TWO GEOSPATIAL FORMATS: /3.1/
SHAPEFILES AND /3.2/ KEYHOLE MARKUP LANGUAGE / KML/KMZ /.
3.1 SHAPEFILES
A SHAPEFILE CONTAINING RIVER OBSERVATIONS AND A SECOND SHAPEFILE
CONTAINING RIVER FORECASTS WILL BE UPDATED HOURLY. THESE
SHAPEFILES WILL INCLUDE INFORMATION ABOUT OBSERVATION/FORECAST
LOCATIONS INCLUDING LATITUDE...LONGITUDE...LOCATION NAME AND
RIVER.
GRIDDED PRECIPITATION BASED ON A CURRENT EXPERIMENTAL SITE WILL
ALSO BE AVAILABLE IN SHAPEFILE FORMAT. FOR MORE INFORMATION SEE
/USE LOWER CASE LETTERS/:
HTTP://WWW.SRH.NOAA.GOV/RFCSHARE/PRECIP_DOWNLOAD.PHP
3.2 KEYHOLE MARKUP LANGUAGE FILES
KML FILES DEPICTING BOTH RIVER OBSERVATIONS AND RIVER FORECASTS
WILL BE AVAILABLE FOR THE CONTIGUOUS UNITED STATES /CONUS/ AND
ALASKA.
4. NETCDF
GRIDDED PRECIPITATION WILL ALSO BE AVAILABLE AS NETCDF FILES. FOR
MORE INFORMATION...SEE /USE LOWER CASE LETTERS/:
HTTP://WWW.SRH.NOAA.GOV/RFCSHARE/PRECIP_DOWNLOAD.PHP
THIS AND OTHER NWS SERVICE CHANGE NOTICES ARE AVAILABLE ONLINE AT
/USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
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