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PUBLIC INFO. STATEMENT...TECHNICAL IMPLEMENTATION NOTICE 01-28
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1115 AM EST FRI OCT 19 2001
TO: NATIONAL WEATHER SERVICE /NWS/ OFFICES
FEDERAL AVIATION ADMINISTRATION CUSTOMERS
FAMILY OF SERVICES SUBSCRIBERS
OTHER CUSTOMERS OF NWS AVIATION FORECASTS
FROM: MARK ANDREWS
CHIEF...AVIATION SERVICE BRANCH
NWS...OFFICE OF CLIMATE WATER AND WEATHER SERVICES
SUBJECT: IMPACT OF CHANGE TO STANDARD TIME ON ISSUANCE TIMES
OF AIRMETS AND AVIATION AREA FORECASTS...EFFECTIVE
OCTOBER 28 2001
NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER WIRE
SERVICE SUBSCRIBERS.
ON SUNDAY OCTOBER 28 AT 2:00 AM LOCAL TIME...MOST OF THE NATION
WILL SWITCH FROM DAYLIGHT SAVINGS TIME TO STANDARD TIME. AS A
RESULT OF THIS CHANGE...THE ISSUANCE TIMES OF SEVERAL AVIATION
PRODUCTS ISSUED BY THE AVIATION WEATHER CENTER /AWC/ IN KANSAS
CITY AND THE ALASKA AVIATION WEATHER UNIT /AAWU/ IN ANCHORAGE
ALASKA WILL CHANGE. THE AIRMETS AND AVIATION AREA FORECASTS
LISTED BELOW WILL BE ISSUED ONE HOUR LATER WITH RESPECT TO
UNIVERSAL COORDINATED TIME. IN OTHER WORDS...THE LOCAL ISSUANCE
TIME REMAINS THE SAME...BUT THE CORRESPONDING COORDINATED
UNIVERSAL TIME /UTC/ IS ONE HOUR LATER. THE AFFECTED PRODUCTS
AND THE CURRENT AND REVISED ISSUANCE TIMES ARE LISTED BELOW:
AREA FORECASTS /FA/:
FAS ISSUED BY AVIATION WEATHER CENTER /AWC/
THE AWC ISSUES SIX FAS...KNOWN AS THE BOSTON /BOS/...MIAMI
/MIA/...CHICAGO /CHI/...DALLAS/FORT WORTH /FTW/...SALT LAKE CITY
/SLC/...AND SAN FRANCISCO /SFO/ FAS....SHOWN BELOW:
THE SCHEDULE CHANGE WILL BE IMPLEMENTED AT 0800 UTC AT THE AWC.
WMO HEADER AWIPS ID NEW ISSUANCE TIMES /UTC/
FAUS5 KBOS FA1W 0945...1845...AND 0145 UTC
FAUS5 KMIA FA2W 0945...1845...AND 0145 UTC
FAUS5 KCHI FA3W 1045...1945...AND 0245 UTC
FAUS5 KDFW FA4W 1045...1945...AND 0245 UTC
FAUS5 KSLC FA5W 1145...2045...AND 0345 UTC
FAUS5 KSFO FA6W 1145...2045...AND 0345 UTC
THE FAS ISSUED BY THE AWC WILL INCLUDE THE FOLLOWING REMINDER AT
THE END OF THE FORECAST TEXT...BEGINNING ON MID-DAY FRIDAY
OCTOBER 26 2001 AND CONTINUING UNTIL THE SCHEDULED ISSUANCE TIME
CHANGES ON SUNDAY MORNING:
EFFECTIVE 0800Z OCTOBER 28 2000 THE BOS AND MIA FAS WILL BE
ISSUED AT 0945Z...1845Z...AND 0145Z DUE TO THE RETURN TO
STANDARD TIME. AIRMETS WILL BE ISSUED AT 0845Z...1445Z...
2045Z...AND 0245Z.
FAS ISSUED BY ALASKA AVIATION WEATHER UNIT /AAWU/:
THE AAWU ISSUES SEVEN FAS...SHOWN BELOW:
THE SCHEDULE CHANGE WILL BE IMPLEMENTED AT 1000 UTC AT THE AAWU.
WMO HEADER AWIPS ID NEW ISSUANCE TIMES /UTC/
FAAK01 PAJN FA7H 0845....1445....2045...AND 0245 UTC
FAAK05 PAJN FA7W 0845....1445....2045...AND 0245 UTC
FAAK01 PANC FA8H 0845....1445....2045...AND 0245 UTC
FAAK05 PANC FA8W 0845....1445....2045...AND 0245 UTC
FAAK10 PANC FA8T 0845....1445....2045...AND 0245 UTC
FAAK01 PAFA FA9H 0845....1445....2045...AND 0245 UTC
FAAK05 PAFA FA9W 0845....1445....2045...AND 0245 UTC
TROPICAL AREA FORECASTS ISSUED BY THE AWC WILL HAVE THE SAME
ISSUANCE TIME AS IN DAYLIGHT SAVINGS TIME.
THE PRODUCT HEADERS AND ISSUANCE TIMES ARE SHOWN BELOW:
WMO HEADER AWIPS ID ISSUANCE TIME /UTC/
FAGX20 KKCI OFAGX 1030 AND 1830 UTC
FACA20 KKCI OFAMKC 0930...1530...2130...AND 0330 UTC
AIRMETS:
AIRMETS ISSUED BY AVIATION WEATHER CENTER /AWC/
THE AWC ISSUES SIX SETS OF THREE AIRMETS /E.G. SIERRA, TANGO AND
ZULU/...SHOWN BELOW:
WMO HEADER AWIPS ID NEW ISSUANCE TIMES /UTC/
WAUS1 KBOS WA1<S T Z> 0845...1445...2045...AND 0245 UTC
WAUS1 KMIA WA2<S T Z> 0845...1445...2045...AND 0245 UTC
WAUS1 KCHI WA3<S T Z> 0845...1445...2045...AND 0245 UTC
WAUS1 KDFW WA4<S T Z> 0845...1445...2045...AND 0245 UTC
WAUS1 KSLC WA5<S T Z> 0845...1445...2045...AND 0245 UTC
WAUS1 KSFO WA6<S T Z> 0845...1445...2045...AND 0245 UTC
THE AIRMETS ISSUED BY THE AWC ON SATURDAY EVENING...OCTOBER 28TH
AT 0145 UTC...WILL BE VALID FOR 7 HOURS UNTIL 0900 UTC IN ORDER
TO COVER THE EXTRA HOUR BEFORE THE NEXT SET OF AIRMETS ARE ISSUED
ACCORDING TO THE MODIFIED SCHEDULE.
AIRMETS ISSUED BY ALASKA AVIATION WEATHER UNIT /AAWU/:
THE AAWU ISSUES THREE SETS OF THREE AIRMETS /E.G. SIERRA, TANGO
AND ZULU/...SHOWN BELOW:
WMO HEADER AWIPS ID NEW ISSUANCE TIMES /UTC/
WAAK01 PAJN WA7<S T Z> 0845....1445....2045...AND 0245 UTC
WAAK01 PANC WA8<S T Z> 0845....1445....2045...AND 0245 UTC
WAAK01 PAFA WA9<S T Z> 0845....1445....2045...AND 0245 UTC
IF YOU HAVE QUESTIONS REGARDING THE CHANGE OF ISSUANCE TIMES OF
THESE PRODUCTS...CONTACT:
MR. JIM HENDERSON MR. ELLIOTT BARSKE
DEPUTY DIRECTOR METEOROLOGIST-IN-CHARGE
AVIATION WEATHER CENTER ALASKA AVIATION WEATHER UNIT
KANSAS CITY MO ANCHORAGE AK
PHONE: 816-584-7203 PHONE: 907-266-5116
THIS AND ALL OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE
AVAILABLE AT THE FOLLOWING URL /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
END
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