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-------- Original Message --------994 NOUS41 KWBC 012004
PNSWSH
TECHNICAL IMPLEMENTATION NOTICE 10-12
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
305 PM EST MON MAR 1 2010
TO: NATIONAL WEATHER SERVICE /NWS/ OFFICES
FEDERAL AVIATION ADMINISTRATION /FAA/ CUSTOMERS
FAMILY OF SERVICES /FOS/ SUBSCRIBERS
WORLD AREA FORECAST SYSTEM /WAFS/ USERS
OTHER CUSTOMERS OF NWS AVIATION FORECASTS
FROM: CYNTHIA ABELMAN
CHIEF...AVIATION SERVICES BRANCH
NWS OFFICE OF CLIMATE WATER AND WEATHER SERVICES
SUBJECT: CHANGE IN TRANSMISSION TIMES OF HIGH LEVEL AND MEDIUM
LEVEL SIGNIFICANT WEATHER PRODUCTS BY WASHINGTON AND
LONDON WORLD AREA FORECAST CENTERS /WAFC/
EFFECTIVE JUNE 15 2010.
EFFECTIVE TUESDAY JUNE 15 2010 AT 1900 UNIVERSAL COORDINATED
TIME /UTC/...THE AVIATION WEATHER CENTER /AWC/ WILL BEGIN
ISSUING ALL WORLD AREA FORECAST SYSTEM /WAFS/ SIGWX FORECASTS
BOTH IN THE BUFR-CODE AND IN THE PNG CHART FORMATS 17 HOURS
PRIOR TO THEIR VALID TIMES FOR HIGH LEVELS /SWH/ AND MEDIUM
LEVELS /SWM/.
WAFC LONDON AND WAFC WASHINGTON WILL IMPLEMENT THIS CHANGE ON
TUESDAY JUNE 15 2010 FOR PRODUCTS ISSUED AT 1900 UTC WITH
VALIDITY 1200 UTC ON WEDNESDAY JUNE 16 2010.
WHEN OPERATING IN BACKUP MODE...SWH BUFR...SWM BUFR...SWH PNG AND SWM PNG WILL BE ISSUED WITH A LEAD TIME OF 15 HOURS.
THE NEW ISSUANCE TIMES OF 24 HOUR SIGWX FORECASTS WILL BE:0100 UTC...0700 UTC...1300 UTC...1900 UTC FOR ROUTINE MODE SWH BUFR...SWM BUFR...SWH PNG AND SWM PNG.
0300 UTC...0900 UTC...1500 UTC...2100 UTC FOR BACKUP MODE SWH BUFR...SWM BUFR...SWH PNG AND SWM PNG. ROUTINE WAFC WASHINGTON WMO ABBREVIATED HEADINGS AFFECTED BY THIS CHANGE ARE AS FOLLOWS:
JUWE96 KKCI JUCE00 KKCI JUBE99 KKCI JUTE97 KKCI JUFE00 KKCIJUOE00 KKCI JUTE00 KKCI JUJE00 KKCI JUNE00 KKCI JUME00 KKCI JUVE00 KKCI
PGEE05 KKCI PGIE05 KKCI PGGE05 KKCI PGAE05 KKCI PGBE05 KKCI PGJE05 KKCI PGDE29 KKCI PGNE14 KKCIIF YOU HAVE ANY QUESTIONS CONCERNING THESE CHANGES TO WAFC WASHINGTON PRODUCTS...PLEASE CONTACT:
PAT MURPHY WARNING COORDINATION METEOROLOGIST AVIATION WEATHER CENTER7220 NW 101ST TERRACE ROOM 101
KANSAS CITY MO 64153PHONE: 816-584-72048 E-MAIL: MICHAEL.PAT.MURPHY@xxxxxxxx
NATIONAL TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT: HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM $$ -
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