20070615: enhancements to adv hydro prediction svs-Fwd: ADMIN NOTICE NOUS41 KWBC]

[Linda Miller]

-------- Original Message --------

331 
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

$$
NNNN



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