20070208: daylight savings time-Fwd: ADMIN NOTICE NOUS41 KWBC]

[Linda Miller]

-------- Original Message --------

330 
NOUS41 KWBC 081800
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 07-08
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
100 PM EST THU FEB 8 2007

TO:  NATIONAL WEATHER SERVICE /NWS/ OFFICES
          FEDERAL AVIATION ADMINISTRATION /FAA/ CUSTOMERS
          FAMILY OF SERVICES /FOS/ SUBSCRIBERS
          OTHER CUSTOMERS OF NWS AVIATION FORECASTS

FROM:     KEVIN L. JOHNSTON
          CHIEF...AVIATION SERVICES BRANCH

SUBJECT:  IMPACT OF CHANGE TO DAYLIGHT SAVING TIME ON
          ISSUANCE TIMES OF SEVERAL NWS AVIATION WEATHER
          FORECASTS: EFFECTIVE MARCH 11 2007

NOTE:     THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER
          WIRE SERVICE SUBSCRIBERS.

ON SUNDAY MARCH 11 2007 AT 200 AM LOCAL TIME...MOST OF THE UNITED 
STATES WILL MOVE FROM STANDARD TIME TO DAYLIGHT SAVING TIME. IN 
PREVIOUS YEARS...AFTER THE CHANGE TO DAYLIGHT SAVING TIME...THE 
ISSUE TIMES OF SEVERAL AVIATION WEATHER PRODUCTS PRODUCED FOR THE 
CONTERMINOUS UNITED STATES /CONUS/ AND ALASKA HAVE CHANGED WITH 
RESPECT TO COORDINATED UNIVERSAL TIME /UTC/. HOWEVER...IN 
2007...THE ISSUANCE TIMES FOR SOME PRODUCTS PRODUCED FOR THE 
CONUS WILL NOT CHANGE WITH RESPECT TO UTC.

CONUS AIRMET

EFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME BEGINS... 
AIRMETS ISSUED BY THE AVIATION WEATHER CENTER /AWC/ FOR THE CONUS 
/TABLE 1/ WILL CONTINUE TO BE ISSUED AT THE SAME TIME WITH 
RESPECT TO UTC. LOCAL ISSUANCE TIMES WILL BE ONE HOUR EARLIER.

ALASKA AIRMET

EFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME 
BEGINS...AIRMETS ISSUED BY THE ALASKA AVIATION WEATHER UNIT 
/AAWU/ FOR ALASKA /TABLE 2/ WILL BE ISSUED ONE HOUR EARLIER WITH 
RESPECT TO UTC. LOCAL ISSUANCE TIMES WILL REMAIN UNCHANGED.

CONUS AND ALASKA AVIATION AREA FORECAST

EFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME BEGINS... 
AREA FORECASTS /FA/ ISSUED FOR THE CONUS /TABLE 3/ AND ALASKA 
/TABLE 4/ BY THE AWC AND AAWU...RESPECTIVELY...WILL BE ISSUED ONE 
HOUR EARLIER WITH RESPECT TO UTC. LOCAL ISSUANCE TIMES WILL 
REMAIN UNCHANGED.

COLLABORATIVE CONVECTIVE FORECAST PRODUCT /CCFP/

PRODUCTION OF THE CCFP FOR 2007 WILL BEGIN ON MARCH 1 2007 AT 
0900 UTC. EFFECTIVE MARCH 11 2007...AFTER DAYLIGHT SAVING TIME 
BEGINS...THE CCFP WILL BE ISSUED ONE HOUR EARLIER WITH RESPECT TO 
UTC. THE LOCAL ISSUANCE TIME WILL REMAIN UNCHANGED.

TABLE 1:  AIRMETS ISSUED FOR THE CONUS BY THE AWC:

AFTER MARCH 11 2007 AT 0900 UTC...THE AWC WILL CONTINUE TO ISSUE 
AIRMETS FOR THE CONUS ON THE FOLLOWING SCHEDULE.

  WMO HEADING   AWIPS ID     ISSUANCE TIMES /UTC/

  WAUS41 KKCI   WA1<S T Z>   0845...1445...2045...0245 UTC
  WAUS42 KKCI   WA2<S T Z>   0845...1445...2045...0245 UTC
  WAUS43 KKCI   WA3<S T Z>   0845...1445...2045...0245 UTC
  WAUS44 KKCI   WA4<S T Z>   0845...1445...2045...0245 UTC
  WAUS45 KKCI   WA5<S T Z>   0845...1445...2045...0245 UTC
  WAUS46 KKCI   WA6<S T Z>   0845...1445...2045...0245 UTC

TABLE 2:  AIRMETS ISSUED FOR ALASKA BY THE AAWU:

EFFECTIVE MARCH 11 2007 AT 0900 UTC...THE AAWU WILL IMPLEMENT THE 
FOLLOWING SCHEDULE CHANGE.

  WMO HEADING   AWIPS ID     NEW ISSUANCE TIMES /UTC/

  WAAK47 PAWU   WA7<S T Z>   0745...1345...1945...0145 UTC
  WAAK48 PAWU   WA8<S T Z>   0745...1345...1945...0145 UTC
  WAAK49 PAWU   WA9<S T Z>   0745...1345...1945...0145 UTC

TABLE 3:  AREA FORECASTS ISSUED FOR THE CONUS BY THE AWC:

EFFECTIVE MARCH 11 2007 AT 0800 UTC...THE AWC WILL IMPLEMENT THE 
SCHEDULE CHANGE.

  WMO HEADING   AWIPS ID    NEW ISSUANCE TIMES /UTC/

  FAUS41 KKCI   FA1W        0845...1745...AND 0045 UTC
  FAUS42 KKCI   FA2W        0845...1745...AND 0045 UTC
  FAUS43 KKCI   FA3W        1945...1845...AND 0145 UTC
  FAUS44 KKCI   FA4W        1945...1845...AND 0145 UTC
  FAUS45 KKCI   FA5W        1045...1945...AND 0245 UTC
  FAUS46 KKCI   FA6W        1045...1945...AND 0245 UTC

TABLE 4:  AREA FORECASTS ISSUED FOR ALASKA BY THE AAWU:

EFFECTIVE MARCH 11 2007 AT 0900 UTC...THE AAWU WILL IMPLEMENT THE 
FOLLOWING SCHEDULE CHANGE.

  WMO HEADING   AWIPS ID     NEW ISSUANCE TIMES /UTC/

  FAAK47 PAWU   FA7H         0745...1345...1945...0145 UTC            
  FAAK57 PAWU   FA7W         0745...1345...1945...0145 UTC 
  FAAK48 PAWU   FA8H         0745...1345...1945...0145 UTC
  FAAK58 PAWU   FA8W         0745...1345...1945...0145 UTC
  FAAK68 PAWU   FA8T         0745...1345...1945...0145 UTC
  FAAK49 PAWU   FA9H         0745...1345...1945...0145 UTC
  FAAK59 PAWU   FA9W         0745...1345...1945...0145 UTC                         

IF YOU HAVE QUESTIONS REGARDING THE CHANGE OF ISSUANCE TIMES FOR 
THE PRODUCTS REFERENCED IN THE TABLES ABOVE...PLEASE CONTACT:

     LARRY BURCH
     DEPUTY DIRECTOR
     AVIATION WEATHER CENTER
     KANSAS CITY MISSOURI
     PHONE:  816-584-7203
     E-MAIL: LARRY.BURCH at NOAA.GOV
 
     TONY HALL
     METEOROLOGIST-IN-CHARGE
     ALASKA AVIATION WEATHER UNIT
     PHONE:  907-266-5116  
     E-MAIL:  TONY.HALL at NOAA.GOV 

THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE 
ONLINE AT /USE LOWER CASE LETTERS/:

  HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$


-- 
Linda Miller - lmiller at unidata.ucar.edu
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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