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-------- Original Message --------696 NOUS41 KWBC 061510
PNSWSH
TECHNICAL IMPLEMENTATION NOTICE 06-59...AMENDED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1010 AM EST WED DEC 6 2006
TO: NATIONAL WEATHER SERVICE /NWS/ OFFICES
FAMILY OF SERVICES /FOS/ SUBSCRIBERS
FEDERAL AVIATION ADMINISTRATION /FAA/ OFFICES
OTHER NWS AVIATION CUSTOMERS AND PARTNERS
FROM: KEVIN L. JOHNSTON
AVIATION SERVICES BRANCH CHIEF
SUBJECT: AMENDED: ENHANCEMENT OF GRAPHICAL TURBULENCE GUIDANCE
/GTG/: EFFECTIVE JANUARY 8 2007 POSTPONED UNTIL
FURTHER NOTICE
NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER WIRE SERVICE SUBSCRIBERS.
AMENDED TO POSTPONE UNTIL FURTHER NOTICE THE EFFECTIVE DATE FOR IMPLEMENTATION OF AN ENHANCED VERSION OF THE GTG PRODUCT ORIGINALLY SCHEDULED FOR JANUARY 8 2007. THE POSTPONEMENT WILL ALLOW COMPLETION OF COORDINATION ACTIVITIES BETWEEN NWS AND THE FEDERAL AVIATION ADMINISTRATION /FAA/. A FOLLOW-UP TIN WILL BE ISSUED WHEN THE NEW IMPLEMENTATION DATE IS SET.
THIS PRODUCT ENHANCEMENT EXTENDS THE VERTICAL DOMAIN OF THE GTG INTO THE MIDDLE LEVEL OF THE ATMOSPHERE ... BETWEEN 10 AND 19 THOUSAND FEET ABOVE MEAN SEA LEVEL /FLIGHT LEVELS 100 TO 190/. TABLE 1 CONTAINS THE COMMUNICATION HEADINGS FOR EACH FLIGHT LEVEL /FL/.
THE GTG IS AN AUTOMATICALLY GENERATED TURBULENCE PRODUCT THAT DIAGNOSIS AND PREDICTS THE LOCATION AND INTENSITY OF TURBULENCE OVER THE CONTERMINOUS UNITED STATES AND ADJACENT COASTAL WATERS /CONUS/. THE GTG HAS BEEN AVAILABLE AS AN NWS OPERATIONAL PRODUCT SINCE MARCH 2003.
THE GTG PRODUCES AN ANALYSIS... 1... 2 AND 3-HOUR TURBULENCE FORECAST EVERY HOUR AND A 6... 9 AND 12-HOUR FORECAST EVERY 3 HOURS IN GRIB FORMAT. A COMPOSITE FIELD REPRESENTING THE MAXIMUM TURBULENCE VALUE BETWEEN 10 AND 45 THOUSAND FEET FOR EACH ANALYSIS AND FORECAST IS ALSO AVAILABLE. MORE INFORMATION ABOUT THE GTG PRODUCT CAN BE OBTAINED AT /USE LOWER CASE LETTERS/:
HTTP://ADDS.AVIATIONWEATHER.GOV/TURBULENCE/THE CURRENT PRODUCT DESCRIPTION DOCUMENT FOR THE GTG IS AVAILABLE AT /USE LOWER CASE LETTERS/:
HTTP://PRODUCTS.WEATHER.GOV/ TABLE 1: NEW GTG HEADERS: FL HEADING --- ----------- 100YVW*70 KKCI 110 YVW*67 KKCI 120 YVW*65 KKCI 130 YVW*62 KKCI 140YVW*60 KKCI 150 YVW*57 KKCI 160 YVW*55 KKCI 170 YVW*53 KKCI 180 YVW*50 KKCI 190 YVW*48 KKCI
WHERE * = A = 00 HOUR ANALYSIS
* = B = 01 HOUR FORECAST
* = C = 02 HOUR FORECAST
* = D = 03 HOUR FORECAST
* = G = 06 HOUR FORECAST
* = J = 09 HOUR FORECAST
* = M = 12 HOUR FORECAST
THE GTG PRODUCT WILL CONTINUE TO BE AVAILABLE IN GRIB FORMAT
FROM THE FOLLOWING SYSTEMS.
1. THE SATELLITE BROADCAST NETWORK /SBN/ NOAAPORT CHANNEL2. NATIONAL WEATHER SERVICE FTP SERVERS AT /USE LOWER CASE LETTERS EXCEPT AS NOTED BELOW/: ftp://tgftp.nws.noaa.gov/SL.us008001/DC.avspt/
NOTE: IN THE INTERNET ADDRESS ABOVE SL AND DC MUST BE IN UPPER CASE LETTERS.
3. THE FAMILY OF SERVICES /FOS/ HIGH RESOLUTION DATA SERVICE AND SERVER ACCESS SERVICE.
ADDITIONAL INFORMATION ON NWS AVIATION PRODUCT DISSEMINATION IS AVAILABLE AT /USE LOWER CASE LETTERS/: HTTP://WEATHER.GOV/OS/DISEMSYS.SHTML IF YOU HAVE ANY QUESTIONS REGARDING THIS PRODUCT...CONTACT:
CLINTON WALLACE CHIEF, AVIATION SUPPORT BRANCH AVIATION WEATHER CENTER7220 NW 101ST TERRACE ROOM 101
KANSAS CITY MO 64153PHONE: 816-584-72048 E-MAIL: CLINTON.WALLACE@xxxxxxxx
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ONLINE AT /USE LOWER CASE LETTERS/ HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM $$ ============================================================================== To unsubscribe nws-changes, visit: http://www.unidata.ucar.edu/mailing-list-delete-form.html ==============================================================================
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