NOUS41 KWBC 131743 PNSWSH TECHNICAL IMPLEMENTATION NOTICE 05-54 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 140 PM EDT WED JUL 13 2005 TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...FEDERAL AVIATION ADMINISTRATION /FAA/ CUSTOMERS...OTHER NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS OF AVIATION FORECASTS... NWS EMPLOYEES FROM: KEVIN L. JOHNSTON CHIEF...AVIATION WEATHER SERVICES BRANCH SUBJECT: CHANGES IN FOR USE TIMES ON WIND AND TEMPERATURE ALOFT FORECAST BULLETINS: EFFECTIVE SEPTEMBER 27 2005 EFFECTIVE TUESDAY... SEPTEMBER 27 2005 AT 1200 COORDINATED UNIVERSAL TIME /Z/...THE FOR USE TIMES SPECIFIED IN THE UPPER WINDS AND TEMPERATURES ALOFT 6 AND 12 HOUR FORECAST BULLETINS WILL BE CHANGED TO COVER THE GAP BETWEEN THE ISSUANCE TIME OF THE BULLETINS AND THE STARTING TIME OF THE INITIAL FOR USE PERIOD. THE VALID TIMES OF THESE BULLETINS WILL NOT BE CHANGED. THERE WILL BE NO CHANGES TO THE UPPER WINDS AND TEMPERATURES ALOFT 24 HOUR FORECAST BULLETINS. THE UPPER WINDS AND TEMPERATURES ALOFT BULLETINS ARE CURRENTLY GENERATED AT THE NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION AND ISSUED FOUR TIMES DAILY...APPROXIMATELY ONE AND ONE HALF TO TWO HOURS PAST THE SYNOPTIC TIMES OF 0000Z...0600Z...1200Z AND 1800Z. TABLE 1. VALID AND CORRESPONDING FOR USE TIMES SPECIFIED IN THE CURRENT UPPER WINDS AND TEMPERATURES ALOFT 6 AND 12 HOUR FORECAST BULLETINS. 00Z BULLETINS ISSUED BETWEEN 170130Z AND 170200Z 6 HR FORECAST VALID 170600Z FOR USE 0600-1200Z 12 HR FORECAST VALID 171200Z FOR USE 1200-1800Z 06Z BULLETINS ISSUED BETWEEN 170730Z AND 170800Z 6 HR FORECAST VALID 171200Z FOR USE 1200-1800Z 12 HR FORECAST VALID 171800Z FOR USE 1800-0000Z 12Z BULLETINS ISSUED BETWEEN 171330Z AND 171400Z 6 HR FORECAST VALID 171800Z FOR USE 1800-0000Z 12 HR FORECAST VALID 180000Z FOR USE 0000-0600Z 18Z BULLETINS ISSUED BETWEEN 171930Z AND 172000Z 6 HR FORECAST VALID 180000Z FOR USE 0000-0600Z 12 HR FORECAST VALID 180600Z FOR USE 0600-1200Z TABLE 2. NEW FOR USE TIMES CORRESPONDING TO THE EXISTING VALID TIMES. 00Z BULLETINS ISSUED BETWEEN 170130Z AND 170200Z 6 HR FORECAST VALID 170600Z FOR USE 0200-0900Z 12 HR FORECAST VALID 171200Z FOR USE 0900-1800Z 06Z BULLETINS ISSUED BETWEEN 170730Z AND 170800Z 6 HR FORECAST VALID 171200Z FOR USE 0800-1500Z 12 HR FORECAST VALID 171800Z FOR USE 1500-0000Z 12Z BULLETINS ISSUED BETWEEN 171330Z AND 171400Z 6 HR FORECAST VALID 171800Z FOR USE 1400-2100Z 12 HR FORECAST VALID 180000Z FOR USE 2100-0600Z 18Z BULLETINS ISSUED BETWEEN 171930Z AND 172000Z 6 HR FORECAST VALID 180000Z FOR USE 2000-0300Z 12 HR FORECAST VALID 180600Z FOR USE 0300-1200Z TABLE 3. AFFECTED WIND AND TEMPERATURE ALOFT FORECAST BULLETINS. WIND/TEMPERATURE ALOFT FCST WMO HEADER AWIPS ID LOW LEVEL 6 HR FCST FOR HAWAII FBHW31 KWNO FD1HW1 LOW LEVEL 12 HR FCST FOR HAWAII FBHW33 KWNO FD3HW3 HIGH LEVEL 6 HR FCST FOR HAWAII FBHW37 KWNO FD8HW7 HIGH LEVEL 12 HR FCST FOR HAWAII FBHW38 KWNO FD9HW8 LOW LEVEL 6 HR FCST FOR PACIFIC FBOC31 KWNO FD1OC1 LOW LEVEL 12 HR FCST FOR PACIFIC FBOC33 KWNO FD3OC3 HIGH LEVEL 6 HR FCST FOR PACIFIC FBOC37 KWNO FD8OC7 HIGH LEVEL 12 HR FCST FOR PACIFIC FBOC38 KWNO FD9OC8 LOW LEVEL 6 HR FORECAST FOR ALASKA FBAK31 KWNO FD1AK1 LOW LEVEL 12 HR FORECAST FOR ALASKA FBAK33 KWNO FD3AK3 HIGH LEVEL 6 HR FCST FOR ALASKA FBAK37 KWNO FD8AK7 HIGH LEVEL 12 HR FCST FOR ALASKA FBAK38 KWNO FD9AK8 LOW LEVEL 6 HR FCST FOR CONUS FBUS31 KWNO FD1US1 LOW LEVEL 12 HR FCST FOR CONUS FBUS33 KWNO FD3US3 HIGH LEVEL 6 HR FORECAST FOR CONUS FBUS37 KWNO FD8US7 HIGH LEVEL 12 HR FORECAST FOR CONUS FBUS38 KWNO FD9US8 HIGH LEVEL 6 HR FCST FOR CANADA FBCN31 KWNO FD1CN1 HIGH LEVEL 12 HR FCST FOR CANADA FBCN33 KWNO FD3CN3 IF YOU HAVE ANY QUESTIONS REGARDING THESE CHANGES OR IF YOU BELIEVE THESE CHANGES WILL ADVERSELY AFFECT YOUR OPERATIONS... PLEASE CONTACT: BOB DUFRANE 1325 EAST WEST HIGHWAY SSMC2 ROOM 13319 SILVER SPRING MD 20910 301-713-1726 X141 BOB.DUFRANE@NOAA.GOV THIS NOTICE AND OTHER TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/: HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM $$ NNNN