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-------- Original Message --------451 NOUS41 KWBC 012046
PNSWSH
SERVICE CHANGE NOTICE 08-24
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
445 PM EDT TUE APR 1 2008
TO: SUBSCRIBERS:
-FAMILY OF SERVICES
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
OTHER NWS PARTNERS...AND NWS EMPLOYEES
FROM: THOMAS GRAZIANO
CHIEF...HYDROLOGIC SERVICES BRANCH
SUBJECT: ADJUSTMENTS TO PLAN FOR OPERATIONAL IMPLEMENTATION OF
VALID TIME EVENT CODE /VTEC/ IN AREAL FLOOD PRODUCTS
ISSUED BY WEATHER FORECAST OFFICES
REFER TO: SERVICE CHANGE NOTICE /SCN/ 08-14 TRANSMITTED
MARCH 3 2008
ON OR ABOUT APRIL 17 2008...AT ABOUT 1200 COORDINATED UNIVERSAL
TIME /UTC/...NWS WEATHER FORECAST OFFICES /WFO/ WILL BEGIN
INCLUDING EXPERIMENTAL VALID TIME EVENT CODE /VTEC/ IN THE THREE
AREAL FLOOD PRODUCTS COVERED IN SCN 08-14:
AREAL FLOOD WARNINGS /FLW/
FLOOD STATEMENT: FOLLOW UP TO AREAL FLOOD WARNING /FLS/
FLOOD STATEMENT: AREAL ADVISORIES /FLS/
SCN 08-14 INDICATED THAT WFOS WOULD BEGIN TO INCLUDE OPERATIONAL
VTEC IN THEIR AREAL FLOOD PRODUCTS ON APRIL 17 2008. BECAUSE OF
THE THREAT OF LONG TERM FLOODING OVER SEVERAL AREAS OF THE
COUNTRY...IT HAS BEEN DETERMINED THE BEST COURSE OF ACTION IS TO
IMPLEMENT EXPERIMENTAL VTEC AT WFOS THAT ARE NOT YET PROVIDING
IT ON OR ABOUT APRIL 17. ALL WFOS...INCLUDING THOSE WHICH ARE
ALREADY ISSUING PRODUCTS WITH EXPERIMENTAL VTEC...WILL THEN
SWITCH OVER TO OPERATIONAL VTEC ON OR ABOUT MAY 20 2008.
FLOODING MAY FORCE INDIVIDIAL WFOS TO ADJUST THE ACTUAL DATES THEY IMPLEMENT EXPERIMENTAL VTEC AND SWITCH OVER TO OPERATIONAL VTEC. SINCE MUCH OF THE CURRENT FLOOD THREAT EXISTS IN AREAS WHERE HIGH WATERS TEND TO PERSIST FOR A LONG TIME...SOME WFOS MAY HAVE TO ADJUST BOTH OF THEIR VTEC IMPLEMENTATION DATES BY A FEW WEEKS. WFOS WILL ISSUE LOCAL NOTICES TO ADVISE USERS OF THE TIME AND DATE WHEN THEY WILL IMPLEMENT VTEC IN THEIR AREAL FLOOD PRODUCTS.
THE LATEST AVAILABLE SCHEDULES AND INFORMATION ON IMPLEMENTATION OF VTEC IN AREAL FLOOD PRODUCTS WILL CONTINUE TO BE MAINTAINED ON THE HYDROLOGIC VTEC WEBSITE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/OS/VTEC/HYDRO_VTEC.SHTMLTO SUBSCRIBE TO NOTIFICATIONS VIA RSS FEED WHEN ANY ITEM ON THE HYDROLOGIC VTEC WEBSITE IS UPDATED...CLICK THE RSS/XML LOG AT THE TOP OF THE WEB PAGE OR ADD THE FOLLOWING RSS FEED URL /USE LOWER CASE LETTERS/ TO YOUR RSS READER TO SUBSCRIBE.
HTTP://WWW.NWS.NOAA.GOV/OS/VTEC/HYDRO/HYDROVTEC.XML.RSSGENERAL BACKGROUND INFORMATION ON VTEC CAN BE FOUND AT THE VTEC WEBSITE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/OS/VTEC
IF YOU HAVE ANY QUESTIONS OR COMMENTS...PLEASE CONTACT:
TIM HELBLE
NATIONAL HYDROLOGIC POLICY PROGRAM LEADER
SILVER SPRING MD
PHONE: 301-713-0006 EXT. 152
E-MAIL: TIMOTHY.HELBLE@xxxxxxxx
THIS AND OTHER NWS SERVICE CHANGE NOTICES ARE AVAILABLE ONLINE
AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OS/NOTIF.HTM
$$
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