NOUS41 KWBC 181836 CCA PNSWSH PUBLIC INFORMATION STATEMENT...COMMENT REQUEST CORRECTED NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 235 PM EDT MON MAY 18 2009 TO: SUBSCRIBERS: -FAMILY OF SERVICES -NOAA WEATHER WIRE SERVICE -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK OTHER NWS PARTNERS...USERS AND EMPLOYEES FROM: THERESE Z. PIERCE CHIEF...MARINE AND COASTAL SERVICES BRANCH SUBJECT: SOLICITING COMMENTS FOR EXPERIMENTAL SAFFIR- SIMPSON HURRICANE SCALE REVISION THROUGH NOVEMBER 30 2009 CORRECTED TO CLARIFY SAFFIR-SIMPSON CATEGORIES AND MOVE TROPICAL CYCLONE PUBLIC ADVISORY UNDER LIST OF NHC/CPHC PRODUCTS OFFERING STORM SURGE REFERENCES BEGINNING JUNE 1 2009 AND CONTINUING THROUGH NOVEMBER 30 2009... NWS IS SEEKING USER FEEDBACK ON EXPERIMENTALLY REMOVING STORM SURGE AND FLOODING REFERENCES FROM THE SAFFIR-SIMPSON HURRICANE SCALE. THE CHANGE WOULD APPLY TO STORMS IN THE ATLANTIC AND EASTERN NORTH AND CENTRAL PACIFIC BASINS. NWS PROPOSES TO RENAME THE SCALE THE SAFFIR-SIMPSON HURRICANE WIND SCALE. THE SAFFIR-SIMPSON HURRICANE SCALE /DEFINITIONS AND EFFECTS/ IN ITS CURRENT FORM INCLUDES STORM SURGE RANGES AND FLOODING REFERENCES. STORM SURGE RANGES SHOWN IN THE EXISTING SCALE ARE FREQUENTLY INCORRECT FOR THE INDICATED CATEGORY AS DETERMINED SOLELY BY WIND SPEED AND POTENTIALLY MISLEADING IN PREPAREDNESS DECISIONS SINCE THE ACTUAL FLOODING DEPENDS ON SEVERAL OTHER FACTORS SUCH AS STORM SIZE AND LANDFALL LOCATION. THEREFORE...ON AN EXPERIMENTAL BASIS FOR THE 2009 TROPICAL CYCLONE SEASON...THESE STORM SURGE RANGES AND FLOODING REFERENCES WILL BE REMOVED FROM THE DEFINITION/EFFECTS FOR ALL CATEGORIES...CATEGORIES ONE THROUGH FIVE. THE REVISED CONTENT WILL BE INCLUDED EXPERIMENTALLY THIS YEAR IN A SCALE CALLED THE SAFFIR-SIMPSON HURRICANE WIND SCALE. EXPECTED STORM SURGE AND COASTAL FLOODING FOR INDIVIDUAL STORMS ARE CONTAINED IN OTHER NWS PRODUCTS: THE NATIONAL HURRICANE CENTER /NHC/ AND CENTRAL PACIFIC HURRICANE CENTER /CPHC/: -TROPICAL CYCLONE DISCUSSION -TROPICAL CYCLONE PUBLIC ADVISORY NATIONAL HURRICANE CENTER ONLY: -GRAPHICAL TROPICAL CYCLONE STORM SURGE PROBABILITIES LOCAL WEATHER FORECAST OFFICES: -HURRICANE LOCAL STATEMENT -AREA FORECAST DISCUSSION -SPECIAL WEATHER STATEMENT -COASTAL HAZARD MESSAGE MORE INFORMATION IS ONLINE AT /USE LOWERCASE/: HTTP://WEATHER.GOV/INFOSERVICECHANGES/SSHWS.PDF THE SAFFIR-SIMPSON HURRICANE WIND SCALE DEFINITIONS AND EFFECTS CAN BE VIEWED AT /USE LOWERCASE/: FOR NHC: HTTP://WWW.NHC.NOAA.GOV/ABOUTSSHS.SHTML FOR CPHC: HTTP://WEATHER.GOV/CPHC/PAGES/ABOUTSSHS.PHP USERS ARE ENCOURAGED TO PROVIDE FEEDBACK ON THIS EXPERIMENTAL CHANGE TO NHCWEBMASTER@NOAA.GOV FOR NHC AND W-HFO.WEBMASTER@NOAA.GOV FOR CPHC. A LINK TO ALL NHC EXPERIMENTAL PRODUCTS IS ALSO PROVIDED AT /USE LOWERCASE/: HTTP://WWW.NHC.NOAA.GOV/ABOUTEXPERIMENTAL.SHTML IF YOU HAVE COMMENTS OR QUESTIONS...PLEASE CONTACT: TIMOTHY SCHOTT NATIONAL WEATHER SERVICE MARINE AND COASTAL SERVICES BRANCH 1325 EAST WEST HWY ROOM 13126 SILVER SPRING MARYLAND 20910 TIMOTHY.SCHOTT@NOAA.GOV 301-713-1677 x122 NATIONAL PUBLIC INFORMATION STATEMENTS ARE ONLINE AT /USE LOWERCASE/: HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM $$ NNNN
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