-------- 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 KKCI
JUOE00 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 KKCI
IF YOU HAVE ANY QUESTIONS CONCERNING THESE CHANGES TO WAFC
WASHINGTON PRODUCTS...PLEASE CONTACT:
PAT MURPHY
WARNING COORDINATION METEOROLOGIST
AVIATION WEATHER CENTER
7220 NW 101ST TERRACE
ROOM 101
KANSAS CITY MO 64153
PHONE: 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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