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-------- Original Message --------742 NOUS41 KWBC 231428
PNSWSH
TECHNICAL INFORMATION NOTICE 08-54
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1030 AM EDT MON JUN 23 2008
TO: NATIONAL WEATHER SERVICE /NWS/ OFFICES
FEDERAL AVIATION ADMINISTRATION /FAA/ USERS
FAMILY OF SERVICES /FOS/ SUBSCRIBERS
OTHER USERS OF NWS AVIATION FORECASTS
FROM: KEVIN L. JOHNSTON
CHIEF...AVIATION SERVICES BRANCH
SUBJECT: TEST TAFS TO ENSURE PROPER DECODING OF 30-HOUR TAF
FORMAT TEST DATE SCHEDULED: JUNE 25 2008
REFER TO SERVICE CHANGE NOTICE /SCN/ 08-15 AND TECHNICAL
IMPLEMENTATION NOTICE /TIN/ 08-37.
NWS WILL PROVIDE A MONTHLY TEST TAF SO USERS CAN CHECK AND EVALUATE THEIR ABILITY TO DECODE THE NEW DATE AND TIME FORMAT. GENERALLY NWS WILL PRODUCE TEST TAF PRODUCTS WITH THE 30-HOUR TAF FORMAT ON THE LAST WEDNESDAY OF EACH MONTH THROUGH OCTOBER 2008 AT 1400 UNIVERSAL COORDINATED TIME /UTC/. NWS WILL PROVIDE REMINDERS OF THE TEST TAF 3 DAYS BEFORE THE SCHEDULED TEST DAY. IF CRITICAL WEATHER OCCURS ON THE TEST DAY...THE TEST WILL BE POSTPONED UNTIL THE NEXT NON-CRITICAL WEATHER DAY. THE NEXT MONTHLY TEST WILL OCCUR JUNE 25 2008.
A LINK TO THE TAF TESTBED AND TAF FORMAT EXAMPLES IS AVAILABLE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/OS/AVIATION/TAF_TESTBED.SHTMLTHE 30 HOUR TEST TAF FOR MAY SHOULD LOOK AS FOLLOWS:
FTXX90 KWBC 281754KABC 251400 2514/2618 00000KT 3SM BR SCT060 BKN150 FM251430 23006KT P6SM SCT040 BKN200 FM251800 25005KT P6SM VCTS SCT040CB TEMPO 2520/2624 2SM TSRA BR BKN040CB FM260000 VRB03KT P6SM BKN050 BKN200 FM260600 VRB03KT 3SM BR SCT250 FM261200 23006KT P6SM SKC= USERS WILL NEED TO CODE THEIR SYSTEMS FOR FTXX90 KWBC TO SEE THIS TAF.
IF YOU HAVE ANY QUESTIONS REGARDING THIS TECHNICAL INFORMATION NOTICE PLEASE REFER TO SCN 08-15 OR CONTACT:
MICHAEL GRAF NATIONAL WEATHER SERVICE SSMC-2 STATION 13314 1325 EAST-WEST HIGHWAYSILVER SPRING MD 20910 PHONE: 301-713-1726 X 117 EMAIL:MICHAEL.GRAF@xxxxxxxx
NWS SERVICE CHANGE NOTICES ARE ONLINE AT /USE LOWER CASE/: HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM $$ NNNN
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