20041124: VTEC

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20041124: VTEC
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Wed, 24 Nov 2004 06:42:48 -0700

NOUS41 KWBC xxxxxx
PNSWSH

SERVICE CHANGE NOTICE 04-56
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
145 PM EST FRI NOV 23 2004


TO:        FAMILY OF SERVICES /FOS/ SUBSCRIBERS...
          NOAA WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...
          EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
          /EMWIN/ SUBSCRIBERS...NOAAPORT SUBSCRIBERS...
          OTHER NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS
          AND PARTNERS...AND NWS EMPLOYEES

FROM:      THOMAS GRAZIANO
          CHIEF...HYDROLOGIC SERVICES BRANCH

SUBJECT:   FOLLOW UP TO SERVICE CHANGE NOTICE 04-51...
          DELAY IN VTEC FOR HYDROLOGIC PRODUCTS

REFERENCE: SCN 04-40 /AMENDED/ TRANSMITTED OCTOBER 29 2004
          SCN 04-45 /AMENDED/ TRANSMITTED NOVEMBER 5 2004
          SCN 04-51 /CORRECTED/ TRANSMITTED AUGUST 18 2004

FOLLOWING UP SERVICE CHANGE NOTICE /SCN/ 04-51...IMPLEMENTATION
OF VALID TIME EVENT CODE /VTEC/ AND NEW FORMATS WILL BE DELAYED
UNTIL FALL 2005 FOR THE FOLLOWING HYDROLOGIC PRODUCTS:

 FLOOD WATCH /FFA/
 FLOOD WARNING FOR FORECAST POINTS /FLW/
 FLOOD STATEMENT - FOLLOW UP FLOOD WARNING FOR FORECAST
 POINTS /FLS/
 AREAL FLOOD WARNING /FLW/
 FLOOD STATEMENT - FOLLOW UP AREAL FLOOD WARNING /FLS/
 FLOOD STATEMENT - ADVISORIES /FLS/

HOWEVER...AS STATED IN SCN 04-40 /AMENDED/...FLASH FLOOD
STATEMENTS WILL BE SEGMENTED STARTING DECEMBER 8 2004 DURING
APPROPRIATE FOLLOW UP SITUATIONS FOR MULTIPLE COUNTY FLASH FLOOD
WARNINGS. IMPLEMENTATION OF VTEC WILL ALSO BE DELAYED UNTIL FALL
2005 FOR THE FOLLOWING HYDROLOGIC PRODUCTS:

 FLASH FLOOD WARNING /FFW/
 FLASH FLOOD STATEMENT /FFS/

IMPLEMENTATION OF VTEC IN HYDROLOGIC PRODUCTS IS BEING DELAYED TO
IMPLEMENT NEW FEATURES THAT WILL BENEFIT CUSTOMERS AND PARTNERS
AND TO ENSURE PRODUCTS ARE ISSUED IN NATIONALLY CONSISTENT
FORMATS. THE LATEST VERSIONS OF DIRECTIVES ON NWS HYDROLOGIC
PRODUCTS...NWS INSTRUCTION 10-922 AND NWS MANUAL 10-923...WILL
CONTINUE TO BE POSTED ON THE NATIONAL DIRECTIVES SYSTEM WEB SITE
AT /USE LOWER CASE LETTERS/...

     HTTP://WWW.NWS.NOAA.GOV/DIRECTIVES/010/010.HTM

ADDITIONAL SERVICE CHANGE NOTICES WILL BE ISSUED WHEN A DATE HAS
BEEN SPECIFIED FOR THE START OF AN OPERATIONAL TEST AND
EVALUATION /OT&E/ FOR HYDROLOGIC PRODUCTS AT SELECTED NWS
OFFICES...AND WHEN A DATE HAS BEEN DETERMINED FOR NATIONWIDE
IMPLEMENTATION OF THE NEW FORMATS AND VTEC IN HYDROLOGIC
PRODUCTS. CURRENTLY THE OT&E FOR HYDROLOGIC PRODUCTS IS SLATED
FOR SPRING/SUMMER 2005 AND NATIONWIDE IMPLEMENTATION IS SLATED
FOR FALL 2005.

THE LATEST INFORMATION ON VTEC CAN BE FOUND AT THE VTEC WEBSITE
AT /USE LOWER CASE LETTERS/...

     HTTP://WWW.NWS.NOAA.GOV/OM/VTEC

IF YOU HAVE ANY QUESTIONS OR COMMENTS...PLEASE CONTACT:

        TIM HELBLE
        NWS 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 POSTED ON /USE
LOWER CASE LETTERS/:

        HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

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