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TECHNICAL IMPLEMENTATION NOTICE 05-23
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
0245 PM EST TUE MAR 15 2005
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 SAVINGS TIME ON
ISSUANCE TIMES OF AIRMETS AND AVIATION AREA FORECASTS:
EFFECTIVE APRIL 3 2005
NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER
WIRE SERVICE SUBSCRIBERS.
ON SUNDAY... APRIL 3 2005 AT 200 AM LOCAL TIME...MOST OF THE
NATION WILL SWITCH FROM STANDARD TIME TO DAYLIGHT SAVINGS TIME.
AS A RESULT OF THIS CHANGE...THE ISSUANCE TIMES OF SEVERAL
AVIATION PRODUCTS ISSUED BY THE AVIATION WEATHER CENTER /AWC/ IN
KANSAS CITY... MISSOURI...AND THE ALASKA AVIATION WEATHER UNIT
/AAWU/ IN ANCHORAGE... ALASKA...WILL CHANGE. HAWAII USES
STANDARD TIME ALL YEAR ROUND. THE ISSUANCE TIMES OF THE AIRMETS
AND AREA FORECASTS ISSUED BY THE METEOROLOGICAL WATCH OFFICE IN
HONOLULU WILL NOT CHANGE.
THE AVIATION AREA FORECASTS AND AIRMETS LISTED BELOW WILL BE
ISSUED ONE HOUR EARLIER WITH RESPECT TO COORDINATED UNIVERSAL
TIME /UTC/. IN OTHER WORDS...THE LOCAL ISSUANCE TIME REMAINS THE
SAME...BUT THE CORRESPONDING UTC TIME IS ONE HOUR LATER. THE
AFFECTED PRODUCTS AND THE CURRENT AND REVISED ISSUANCE TIMES ARE
LISTED IN TABLES 1 AND 2 BELOW.
THE COLLABORATIVE CONVECTIVE FORECAST PRODUCT /CCFP/ ISSUED BY
THE AWC WILL END ITS STANDARD TIME PRODUCTION CYCLE ISSUANCE ON
APRIL 3 2005 AT 0600 UTC AND WILL BEGIN ITS DAYLIGHT SAVINGS TIME
ISSUANCE ON APRIL 3 2005 AT 0900 UTC.
TABLE 1: AREA FORECASTS /FA/
AREA FORECASTS ISSUED BY THE AVIATION WEATHER CENTER /AWC/:
THE AWC ISSUES THE FOLLOWING AREA FORECASTS...KNOWN AS THE BOSTON
/BOS/...MIAMI /MIA/...CHICAGO /CHI/...DALLAS/FORT WORTH
/FTW/...SALT LAKE CITY /SLC/...AND SAN FRANCISCO /SFO/ AREA
FORECASTS.
THE AWC WILL IMPLEMENT THE SCHEDULE CHANGE ON APRIL 3 2005 AT
0800 UTC.
WMO HEADING AWIPS ID NEW ISSUANCE TIMES /UTC/
FAUS5 KBOS FA1W 0845...1745...AND 0045 UTC
FAUS5 KMIA FA2W 0845...1745...AND 0045 UTC
FAUS5 KCHI FA3W 0945...1845...AND 0145 UTC
FAUS5 KDFW FA4W 0945...1845...AND 0145 UTC
FAUS5 KSLC FA5W 1045...1945...AND 0245 UTC
FAUS5 KSFO FA6W 1045...1945...AND 0245 UTC
THE AREA FORECASTS ISSUED BY THE AWC WILL INCLUDE A REMINDER OF
THE ISSUANCE TIME CHANGE AT THE END OF THE FORECAST TEXT...
BEGINNING ON MID-DAY FRIDAY APRIL 1 2005 AND CONTINUING UNTIL THE
SCHEDULED ISSUANCE TIMES CHANGE ON SUNDAY MORNING.
AWC ALSO ISSUES AREA FORECASTS FOR THE NORTHERN GULF OF MEXICO
AND FOR THE CARRIBEAN SEA AND SURROUNDING TERRITORIES.
THE AREA FORECASTS FOR THE NORTHERN GULF OF MEXICO WILL CONTINUE
TO BE ISSUED AT THE SAME TIME...UTC...AS THEY CURRENTLY ARE:
WMO HEADING AWIPS ID ISSUANCE TIME /UTC/
FAGX20 KKCI OFAGX 1030...AND 1830 UTC
THE AREA FORECASTS FOR THE CARIBBEAN SEA AND SURROUNDING
TERRITORY WILL CONTINUE TO BE ISSUED AT THE SAME TIMES...
UTC...AS THEY CURRENTLY ARE:
WMO HEADING AWIPS ID ISSUANCE TIME /UTC/
FACA20 KKCI OFAMKC 0330...0930...1530...2130 UTC
AREA FORECASTS ISSUED BY THE ALASKA AVIATION WEATHER UNIT /AAWU/:
THE AAWU WILL IMPLEMENT THE SCHEDULE CHANGE ON APRIL 3 2005
AT...0900 UTC.
WMO HEADING AWIPS ID NEW ISSUANCE TIMES /UTC/
FAAK01 PAJN FA7H 0745...1345...1945...0145 UTC
FAAK05 PAJN FA7W 0745...1345...1945...0145 UTC
FAAK01 PANC FA8H 0745...1345...1945...0145 UTC
FAAK05 PANC FA8W 0745...1345...1945...0145 UTC
FAAK10 PANC FA8T 0745...1345...1945...0145 UTC
FAAK01 PAFA FA9H 0745...1345...1945...0145 UTC
FAAK05 PAFA FA9W 0745...1345...1945...0145 UTC
TABLE 2: AIRMETS
AIRMETS ISSUED BY THE AVIATION WEATHER CENTER /AWC/:
WMO HEADING AWIPS ID NEW ISSUANCE TIMES /UTC/
WAUS1 KBOS WA1<S T Z> 0745...1345...1945...0145 UTC
WAUS1 KMIA WA2<S T Z> 0745...1345...1945...0145 UTC
WAUS1 KCHI WA3<S T Z> 0745...1345...1945...0145 UTC
WAUS1 KDFW WA4<S T Z> 0745...1345...1945...0145 UTC
WAUS1 KSLC WA5<S T Z> 0745...1345...1945...0145 UTC
WAUS1 KSFO WA6<S T Z> 0745...1345...1945...0145 UTC
AIRMETS ISSUED BY THE ALASKA AVIATION WEATHER UNIT /AAWU/:
WMO HEADING AWIPS ID NEW ISSUANCE TIMES /UTC/
WAAK01 PAJN WA7<S T Z> 0745...1345...1945...0145 UTC
WAAK01 PANC WA8<S T Z> 0745...1345...1945...0145 UTC
WAAK01 PAFA WA9<S T Z> 0745...1345...1945...0145 UTC
IF YOU HAVE QUESTIONS REGARDING THE CHANGE OF ISSUANCE TIMES OF
THESE PRODUCTS...CONTACT:
LARRY BURCH...DEPUTY DIRECTOR
AVIATION WEATHER CENTER
INTERNATIONAL OPERATIONS BRANCH
KANSAS CITY MISSOURI
PHONE: 816-584-7203
E-MAIL: LARRY.BURCH@xxxxxxxx
OR
JEFF OSIENSKY
METEOROLOGIST-IN-CHARGE
ALASKA AVIATION WEATHER UNIT
PHONE: 907-266-5116
E-MAIL: JEFFREY.OSIENSKY@xxxxxxxx
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
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