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20060831: GTG correction-Fwd: ADMIN NOTICE NOUS41 KWBC]

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-------- Original Message --------
217 NOUS41 KWBC 311633 
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 06-59...CORRECTED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1235 PM EDT THU AUG 31 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
         CHIEF...AVIATION SERVICES BRANCH
SUBJECT: CORRECTED: ENHANCEMENT OF GRAPHICAL TURBULENCE GUIDANCE /GTG/: EFFECTIVE JANUARY 8 2007 

REFER TO: TECHNICAL IMPLEMENTATION NOTICE /TIN/ 06-59
         TRANSMITTED ON AUGUST 29 2006
CORRECTED TO ADD COMPOSITE HEADINGS TO TABLE 1 AND TO CORRECT URL FOR MORE INFORMATION ON GTG PRODUCT.
NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER WIRE SERVICE SUBSCRIBERS.
EFFECTIVE JANUARY 8 2007 AT 1300 COORDINATED UNIVERSAL TIME /UTC/ THE NWS AVIATION WEATHER CENTER /AWC/ IN KANSAS CITY MISSOURI WILL IMPLEMENT AN ENHANCED VERSION OF THE GRAPHICAL TURBULENCE GUIDANCE /GTG/ PRODUCT. THIS 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 DIAGNOSES 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. THIS PRODUCT ALSO PROVIDES A COMPOSITE FIELD REPRESENTING THE MAXIMUM TURBULENCE VALUE BETWEEN 10 AND 45 THOUSAND FEET FOR EACH ANALYSIS AND FORECAST. FOR MORE INFORMATION ABOUT THE GTG PRODUCT...GO TO /USE LOWER CASE LETTERS/: HTTP://ADDS.AVIATIONWEATHER.NOAA.GOV/TURBULENCE/DESCRIPTION.PHP
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
---------   -----------
  100      YVW*70 KKCI
  110      YVW*67 KKCI
  120      YVW*65 KKCI
  130      YVW*62 KKCI
  140      YVW*60 KKCI
  150      YVW*57 KKCI
  160      YVW*55 KKCI
  170      YVW*53 KKCI
  180      YVW*50 KKCI
  190      YVW*48 KKCI
COMPOSITE ZVW*50 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. SATELLITE BROADCAST NETWORK /SBN/ NOAAPORT CHANNEL
2. NWS FTP SERVERS AT /USE LOWER CASE LETTERS EXCEPT SL AND DC MUST BE IN UPPER CASE/:
FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/DC.AVSPT 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 QUESTIONS REGARDING THIS PRODUCT...CONTACT: 
CLINTON WALLACE
CHIEF, AVIATION SUPPORT BRANCH
AVIATION WEATHER CENTER
7220 NW 101ST TERRACE ROOM 101 
KANSAS CITY MO 64153
PHONE: 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

$$
NNNN


--
Linda Miller - lmiller@xxxxxxxxxxxxxxxx
Community Services, Unidata
University Corporation for Atmospheric Research
P.O. Box 3000
Boulder, CO 80307-3000
303-497-8646 fax: 303-497-8690 

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