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506 NOUS41 KWBC 022028 PNSWSH PUBLIC INFORMATION STATEMENT...SERVICE CHANGE NOTICE 01-16 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 425 PM EST MON APR 2 2001 TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS AND PARTNERS... NWS EMPLOYEES FROM: ROBERT E. LIVEZEY CHIEF...CLIMATE SERVICES DIVISION SUBJECT: CHANGE IN DEFINITION OF D4 DROUGHT CATEGORY IN THE WEEKLY DROUGHT MONITOR...EFFECTIVE THURSDAY MAY 3 2001 ON MAY 3 2001...THE D4 DROUGHT CATEGORY IN THE U.S. WEEKLY DROUGHT MONITOR WILL BE REDEFINED TO INDICATE A 1 IN 50 YEAR OCCURRENCE RATHER THAN THE CURRENT 1 IN 100 YEAR OCCURRENCE. THE CHANGE IS BEING INSTITUTED BECAUSE AVAILABLE HISTORICAL DATA MAY NOT BE SUFFICIENT TO ACCURATELY DELINEATE 1 IN 100 YEAR DROUGHTS. THIS CHANGE AFFECTS THE FOLLOWING PRODUCTS: TEXTUAL INFORMATION AVAILABLE ON AWIPS...NOAAPORT...FOS...AND NWWS UNDER THE FOLLOWING HEADINGS: PROGNOSTIC DISCUSSION: WMO HEADING . . . . . . FXUS25 KWNC PIL ID . . . . . . . . NMCPMDDRO AWIPS ID . . . . . . . PMDDRO GRAPHICAL INFORMATION AVAILABLE ON NOAAPORT AND AWIPS UNDER THE FOLLOWING HEADINGS: DROUGHT MONITOR MAP: WMO HEADER . . . . . . PYIA88 KWNC AWIPS ID . . . . . . . RBGDRO FOR MORE INFORMATION...CONTACT: DOUG LECOMTE...SENIOR METEOROLOGIST NOAA/CLIMATE PREDICTION CENTER W/NP53 5200 AUTH RD CAMP SPRINGS MD 20746-4304 PHONE: 301-763-8000 EXT 7567 THIS NOTICE AND OTHER SERVICE CHANGE NOTICES CAN BE FOUND ON THE INTERNET AT /USE LOWER CASE/: WWW.NWS.NOAA.GOV/OM/NOTIF.HTM END ---------- End Forwarded Message ----------
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