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TECHNICAL IMPLEMENTATION NOTICE 08-35
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1222 PM EDT TUE APR 22 2008

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

FROM:     KEVIN JOHNSTON
          CHIEF... AVIATION SERVICES BRANCH       

SUBJECT:  BACKUP OF AVIATION WEATHER CENTER PRODUCTS
          SCHEDULED FROM 2100 UTC ON MAY 20 2008 UNTIL 0400 
          UTC ON MAY 21 2008 

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

ON WEDNESDAY MAY 20 2008 FROM 2100 UTC UNTIL 0400 UTC ON MAY 21 
2008...THE AIR FORCE WEATHER AGENCY /AFWA/ AT OFFUTT AIR FORCE 
BASE WILL ASSUME...IN A PLANNED BACK-UP TEST... ADVISORY AND 
WARNING RESPONSIBILITY FOR THE SIGMETS AND AIRMETS /SIERRA... 
ZULU...TANGO/ IN THE BOSTON... MIAMI... FORT WORTH...CHICAGO... 
SALT LAKE CITY AND SAN FRANCISCO AREA FORECAST /FA/ REGIONS... 
WHICH ARE NORMALLY PREPARED BY THE AVIATION WEATHER CENTER /AWC/.

DURING THE BACKUP TEST A FORECASTER AT THE AWC IN KANSAS CITY 
WILL BE COORDINATING CLOSELY WITH THE AFWA FORECASTER. AWC WILL 
BE ABLE TO RESUME FORECASTING SERVICES OR INTERVENE ANYTIME 
DURING THE TEST IF NECESSARY.

DURING THE BACKUP TEST THE AREA FORECAST /FA/ WILL BE PREPARED 
AND TRANSMITTED BY FORECASTERS ON DUTY AT AWC. 

AFWA WILL PREPARE AND ISSUE THE FOLLOWING AVIATION ADVISORIES:

CONVECTIVE SIGMET...WMO HEADERS 
WSUS31 KKCI   WSUS32 KKCI   WSUS33 KKCI

AIRMET...WMO HEADERS
WAUS41 KKCI   WAUS42 KKCI   WAUS43 KKCI
WAUS44 KKCI   WAUS45 KKCI   WAUS46 KKCI

NON-CONVECTIVE SIGMET...WMO HEADERS
WCUS01 KKCI   WSUS01 KKCI   WVUS01 KKCI
WCUS02 KKCI   WSUS02 KKCI   WVUS02 KKCI
WCUS03 KKCI   WSUS03 KKCI   WVUS03 KKCI
WCUS04 KKCI   WSUS04 KKCI   WVUS04 KKCI
WCUS05 KKCI   WSUS05 KKCI   WVUS05 KKCI
WCUS06 KKCI   WSUS06 KKCI   WVUS06 KKCI
 
A REMINDER MESSAGE WILL BE APPENDED TO THE AREA FORECASTS ISSUED 
ON THE MIDNIGHT SHIFT THE NIGHT BEFORE THE TEST BEGINS.

FOR QUESTIONS CONCERNING THE AWC BACK-UP TEST...PLEASE CONTACT:

    FRED R. JOHNSON
    CHIEF DOMESTIC OPERATIONS BRANCH
    AVIATION WEATHER CENTER
    KANSAS CITY MISSOURI
    PHONE:  816-584-7204 
    E-MAIL: FRED.JOHNSON@NOAA.GOV

NWS TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT  
/USE LOWER CASE/:

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

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