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-------- Original Message --------330 NOUS41 KWBC 081800
PNSWSH
TECHNICAL IMPLEMENTATION NOTICE 07-08
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
100 PM EST THU FEB 8 2007
TO: NATIONAL WEATHER SERVICE /NWS/ OFFICES
FEDERAL AVIATION ADMINISTRATION /FAA/ CUSTOMERS
FAMILY OF SERVICES /FOS/ SUBSCRIBERS
OTHER CUSTOMERS OF NWS AVIATION FORECASTS
FROM: KEVIN L. JOHNSTON
CHIEF...AVIATION SERVICES BRANCH
SUBJECT: IMPACT OF CHANGE TO DAYLIGHT SAVING TIME ON
ISSUANCE TIMES OF SEVERAL NWS AVIATION WEATHER
FORECASTS: EFFECTIVE MARCH 11 2007
NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER
WIRE SERVICE SUBSCRIBERS.
ON SUNDAY MARCH 11 2007 AT 200 AM LOCAL TIME...MOST OF THE UNITED
STATES WILL MOVE FROM STANDARD TIME TO DAYLIGHT SAVING TIME. IN
PREVIOUS YEARS...AFTER THE CHANGE TO DAYLIGHT SAVING TIME...THE
ISSUE TIMES OF SEVERAL AVIATION WEATHER PRODUCTS PRODUCED FOR THE
CONTERMINOUS UNITED STATES /CONUS/ AND ALASKA HAVE CHANGED WITH
RESPECT TO COORDINATED UNIVERSAL TIME /UTC/. HOWEVER...IN
2007...THE ISSUANCE TIMES FOR SOME PRODUCTS PRODUCED FOR THE
CONUS WILL NOT CHANGE WITH RESPECT TO UTC.
CONUS AIRMETEFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME BEGINS... AIRMETS ISSUED BY THE AVIATION WEATHER CENTER /AWC/ FOR THE CONUS /TABLE 1/ WILL CONTINUE TO BE ISSUED AT THE SAME TIME WITH RESPECT TO UTC. LOCAL ISSUANCE TIMES WILL BE ONE HOUR EARLIER.
ALASKA AIRMETEFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME BEGINS...AIRMETS ISSUED BY THE ALASKA AVIATION WEATHER UNIT /AAWU/ FOR ALASKA /TABLE 2/ WILL BE ISSUED ONE HOUR EARLIER WITH RESPECT TO UTC. LOCAL ISSUANCE TIMES WILL REMAIN UNCHANGED.
CONUS AND ALASKA AVIATION AREA FORECASTEFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME BEGINS... AREA FORECASTS /FA/ ISSUED FOR THE CONUS /TABLE 3/ AND ALASKA /TABLE 4/ BY THE AWC AND AAWU...RESPECTIVELY...WILL BE ISSUED ONE HOUR EARLIER WITH RESPECT TO UTC. LOCAL ISSUANCE TIMES WILL REMAIN UNCHANGED.
COLLABORATIVE CONVECTIVE FORECAST PRODUCT /CCFP/PRODUCTION OF THE CCFP FOR 2007 WILL BEGIN ON MARCH 1 2007 AT 0900 UTC. EFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME BEGINS...THE CCFP WILL BE ISSUED ONE HOUR EARLIER WITH RESPECT TO UTC. THE LOCAL ISSUANCE TIME WILL REMAIN UNCHANGED.
TABLE 1: AIRMETS ISSUED FOR THE CONUS BY THE AWC:AFTER MARCH 11 2007 AT 0900 UTC...THE AWC WILL CONTINUE TO ISSUE AIRMETS FOR THE CONUS ON THE FOLLOWING SCHEDULE.
WMO HEADING AWIPS ID ISSUANCE TIMES /UTC/ WAUS41 KKCI WA1<S T Z> 0845...1445...2045...0245 UTC WAUS42 KKCI WA2<S T Z> 0845...1445...2045...0245 UTC WAUS43 KKCI WA3<S T Z> 0845...1445...2045...0245 UTC WAUS44 KKCI WA4<S T Z> 0845...1445...2045...0245 UTC WAUS45 KKCI WA5<S T Z> 0845...1445...2045...0245 UTC WAUS46 KKCI WA6<S T Z> 0845...1445...2045...0245 UTC TABLE 2: AIRMETS ISSUED FOR ALASKA BY THE AAWU:EFFECTIVE MARCH 11 2007 AT 0900 UTC...THE AAWU WILL IMPLEMENT THE FOLLOWING SCHEDULE CHANGE.
WMO HEADING AWIPS ID NEW ISSUANCE TIMES /UTC/ WAAK47 PAWU WA7<S T Z> 0745...1345...1945...0145 UTC WAAK48 PAWU WA8<S T Z> 0745...1345...1945...0145 UTC WAAK49 PAWU WA9<S T Z> 0745...1345...1945...0145 UTC TABLE 3: AREA FORECASTS ISSUED FOR THE CONUS BY THE AWC:EFFECTIVE MARCH 11 2007 AT 0800 UTC...THE AWC WILL IMPLEMENT THE SCHEDULE CHANGE.
WMO HEADING AWIPS ID NEW ISSUANCE TIMES /UTC/ FAUS41 KKCI FA1W 0845...1745...AND 0045 UTC FAUS42 KKCI FA2W 0845...1745...AND 0045 UTC FAUS43 KKCI FA3W 1945...1845...AND 0145 UTC FAUS44 KKCI FA4W 1945...1845...AND 0145 UTC FAUS45 KKCI FA5W 1045...1945...AND 0245 UTC FAUS46 KKCI FA6W 1045...1945...AND 0245 UTC TABLE 4: AREA FORECASTS ISSUED FOR ALASKA BY THE AAWU:EFFECTIVE MARCH 11 2007 AT 0900 UTC...THE AAWU WILL IMPLEMENT THE FOLLOWING SCHEDULE CHANGE.
WMO HEADING AWIPS ID NEW ISSUANCE TIMES /UTC/FAAK47 PAWU FA7H 0745...1345...1945...0145 UTC FAAK57 PAWU FA7W 0745...1345...1945...0145 UTC FAAK48 PAWU FA8H 0745...1345...1945...0145 UTC
FAAK58 PAWU FA8W 0745...1345...1945...0145 UTC FAAK68 PAWU FA8T 0745...1345...1945...0145 UTC FAAK49 PAWU FA9H 0745...1345...1945...0145 UTCFAAK59 PAWU FA9W 0745...1345...1945...0145 UTC IF YOU HAVE QUESTIONS REGARDING THE CHANGE OF ISSUANCE TIMES FOR THE PRODUCTS REFERENCED IN THE TABLES ABOVE...PLEASE CONTACT:
LARRY BURCH
DEPUTY DIRECTOR
AVIATION WEATHER CENTER
KANSAS CITY MISSOURI
PHONE: 816-584-7203
E-MAIL: LARRY.BURCH@xxxxxxxx
TONY HALL
METEOROLOGIST-IN-CHARGE
ALASKA AVIATION WEATHER UNIT
PHONE: 907-266-5116
E-MAIL: TONY.HALL@xxxxxxxx
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM $$ -- Linda Miller - lmiller@xxxxxxxxxxxxxxxx Community Services, Unidata University Corporation for Atmospheric Research P.O. Box 3000 Boulder, CO 80307-3000303-497-8646 fax: 303-497-8690
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