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NOUS41 KWBC 271453 PNSWSH SERVICE CHANGE NOTICE 08-54 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 1053 AM EDT WED AUG 27 2008 TO: SUBSCRIBERS: -FAMILY OF SERVICES -NOAA WEATHER WIRE SERVICE -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK OTHER NWS PARTNERS...USERS AND EMPLOYEES FROM: GLENN AUSTIN CHIEF...HYDROLOGIC SERVICES DIVISIONSUBJECT: NEW FLOOD INUNDATION MAPS IN TEXAS AND LOUISIANA: EFFECTIVE TUESDAY SEPTEMBER 30 2008
EFFECTIVE TUESDAY SEPTEMBER 30 2008 THE NWS AND THE NATIONAL OCEAN SERVICE COASTAL SERVICES CENTER WILL BE ADDING NEW FLOOD INUNDATION MAPS TO THE ADVANCED HYDROLOGIC PREDICTION SERVICE/AHPS/ WEB PORTAL. THESE MAPS WILL PROVIDE INFORMATION FOR 16 LOCATIONS IN TEXAS AND LOUISIANA. THESE MAPS ARE THE THIRD
SET RELEASED. THE FIRST SET OF MAPS WAS RELEASED IN OCTOBER 2007 FOR LOCATIONS IN EASTERN NORTH CAROLINA. THE SECOND SET OF MAPS WAS RELEASED IN JUNE 2008 AND COVERED FOUR LOCATIONS IN SOUTHEAST TEXAS. FLOOD INUNDATION MAPS WILL BE AVAILABLE FOR THE FOLLOWING LOCATIONS: CLEAR CREEK NEAR SANGER TX CLEAR FORK TRINITY RIVER AT FORT WORTH TX COLORADO RIVER AT AUSTIN TX COLORADO RIVER AT BASTROP TX COLORADO RIVER AT SMITHVILLE TX EAST FORK SAN JACINTO RIVER NEAR NEW CANEY TX ONION CREEK AT AUSTIN TX OUACHITA RIVER AT MONROE LA PALUXY RIVER AT GLEN ROSE TX RED RIVER AT ALEXANDRIA LA SABINE RIVER AT LOGANSPORT LA SAN JACINTO RIVER NEAR SHELDON TX SOUTH FORK SAN GABRIEL RIVER AT GEORGETOWN TX SPRING CREEK NEAR SPRING TX TRINITY RIVER AT DALLAS TX WEST FORK TRINITY RIVER AT FORT WORTH TX THE INUNDATION MAPS PROVIDE INFORMATION ON THE SPATIAL EXTENT AND DEPTH OF FLOOD WATERS IN THE VICINITY OF NWS RIVER FORECAST LOCATIONS. USERS WILL BE ABLE TO DISPLAY FLOOD INUNDATION MAPS FOR VARIOUS LEVELS RANGING FROM MINOR FLOODING THROUGH THE LARGEST FLOOD ON RECORD. FLOOD INUNDATION MAPS...COMBINED WITH RIVER OBSERVATIONS AND NWS FORECASTS...ENHANCE THE COMMUNICATION OF FLOOD RISK AND PROVIDE USERS ADDITIONAL INFORMATION NEEDED TO BETTER MITIGATE THE IMPACTS OF FLOODING AND BUILD MORE RESILIENT COMMUNITIES. USERS CAN ACCESS THESE FLOOD INUNDATION MAPS AND ASSOCIATEDGEOSPATIAL DATA /SHAPEFILES/ THROUGH THE AHPS WEB PORTAL /USE LOWER CASE/:
WWW.WEATHER.GOV/AHPS/ A COMPLETE LIST OF FLOOD INUNDATION MAP LOCATIONS IS ONLINE AT /USE LOWER CASE/: WWW.WEATHER.GOV/AHPS/INUNDATION.PHP A USERS GUIDE FOR THE FLOOD INUNDATION MAP WEB INTERFACE IS AVAILABLE AT /USE LOWER CASE/:WWW.WEATHER.GOV/AHPS/INUNDATION/INUNDATION_MAPPING_USER_GUIDE.PDF
IF YOU HAVE ANY QUESTIONS OR COMMENTS...PLEASE CONTACT: VICTOR HOM
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