000
NOUS41 KWBC 241442
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 09-40
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
940 AM EST TUE NOV 24 2009

TO:       NATIONAL WEATHER SERVICE /NWS/ OFFICES
          FEDERAL AVIATION ADMINISTRATION USERS
          FAMILY OF SERVICES SUBSCRIBERS
          OTHER USERS OF NWS AVIATION FORECASTS

FROM:     CYNTHIA ABELMAN
          CHIEF... AVIATION SERVICES BRANCH

SUBJECT:  USE OF ADMINISTRATIVE MESSAGE BY WORLD AREA FORECAST
          CENTER /WAFC/ WASHINGTON TO NOTIFY USERS OF PROBLEMS
          OR ERRORS WITH SIGWX FORECASTS: EFFECTIVE
          DECEMBER 31 2009.

NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER
WIRE SUBSCRIBERS.

ON THURSDAY DECEMBER 31 2009 AT 00Z THE AVIATION WEATHER
CENTER/WAFC WASHINGTON WILL BEGIN USING AN ADMINISTRATIVE
MESSAGE TO NOTE ANY PROBLEMS OR ERRORS WITH SIGWX FORECASTS.
THIS ADMINISTRATIVE MESSAGE WILL USE THE WMO HEADER FOR WAFC
WASHINGTON: FXUS65 KKCI.

WORLD AREA FORECAST CENTERS ARE NOT REQUIRED TO CORRECT AND
REISSUE ORIGINAL SIGWX BUFR BULLETINS AND/OR PNG CHARTS THAT
CONTAIN AN ERROR. NWS WILL USE THIS ADMINISTRATIVE MESSAGE /WMO
HEADER FXUS65 KKCI/ TO NOTIFY USERS OF A PROBLEM OR ERROR WITHIN
THE SIGWX FORECAST AND DESCRIBE THE CORRECT INFORMATION.

IF YOU HAVE ANY QUESTIONS PLEASE CONTACT:

  PAT MURPHY
  WARNING COORDINATION METEOROLOGIST
  AVIATION WEATHER CENTER
  KANSAS CITY MISSOURI
  816-584-7239
  MICHAEL.PAT.MURPHY@NOAA.GOV

NATIONAL TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT
/USE LOWERCASE/:

  HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM

$$