19990216: Aviation Wx Forecasts-NOUS (fwd)

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353 
NOUS41 KWBC 160947
PNSWSH
 
PUBLIC INFO STATEMENT...TECH IMPLEMENTATION NOTICE 99-03
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
945 AM EST TUE FEB 16 1999
 
TO:       NATIONAL WEATHER SERVICE EMPLOYEES...FAMILY OF SERVICES 
          SUBSCRIBERS...FEDERAL AVIATION ADMINISTRATION          
          EMPLOYEES...AND OTHER NWS CUSTOMERS
 
FROM:     THERESE Z. PIERCE
          CHIEF-INTEGRATED HYDROMETEOROLOGICAL SERVICES CORE
          NWS OFFICE OF METEOROLOGY
 
SUBJECT:  OPERATIONS MANUAL LETTER 9-98...REVISED IN-FLIGHT
          ADVISORY PLOTTING CHART...FILED WITH WEATHER SERVICE
          OPERATIONS MANUAL CHAPTERS D-20...AVIATION AREA
          FORECASTS...D-22...IN-FLIGHT AVIATION WEATHER
          ADVISORIES...AND D-25...SUPPORT TO AIR TRAFFIC
          FACILITIES...REFERENCE POINT LAT AND LON ERRORS
 
IMPORTANT...ONE ADDITIONAL ERROR FOR A REFERENCE POINT CONTAINED
IN OML 9-98 HAS BEEN FOUND IN ADDITION TO THE EIGHT ERRORS
REPORTED IN TECHNICAL IMPLEMENTATION NOTICE 99-01.
 
CLE: LAT SHOULD BE 41 DEG 25 MIN...LON SHOULD BE -81 DEG 51 MIN 
 
OML 9-98 CONTAINS A REVISED IN-FLIGHT ADVISORY
PLOTTING CHART WITH THE REFERENCE POINTS FOR IN-FLIGHT
ADVISORIES.  IT ALSO PROVIDES THE LATITUDE AND LONGITUDE...IN
DEGREES /DEG/ AND MINUTES OF A DEGREE /MIN/...FOR EACH OF THE
REFERENCE POINTS.
 
NATIONAL WEATHER SERVICE FORECASTERS SHALL BEGIN USING THE POINTS 
ON THE NEW REFERENCE CHART ON MARCH 1 1999.  
 
BOTH THE CHART AND A TEXT FILE CONTAINING THE REFERENCE POINTS
WITH THE LATITUDE /LAT/ AND LONGITUDE /LON/ FOR EACH OF THE
POINTS ARE DOWNLOADABLE FROM THE NWS AVIATION WEATHER CENTER
(AWC) WEB PAGE  (HTTP://WWW.AWC-KC.NOAA.GOV) BY CLICKING
ON..."NEW ADVISORY PLOTTING CHART."  THE INFORMATION IS ALSO
VIEWABLE AND DOWNLOADABLE FROM THE AWC PRODUCTS PAGE
(HTTP://WWW.AWC-KC.NOAA.GOV/AVIATION_WEATHER_CENTER.HTML) AFTER
CLICKING ON EITHER AIRMETS OR DOMESTIC SIGMETS THEN ..."NEW CHART
(EFFECTIVE 01 MARCH 99)."
 
/USE LOWER CASE FOR URLS ABOVE/
 
AS OF FEBRUARY 9 THE LAT/LON INFORMATION IN THE DOWNLOADABLE FILE
FROM AWC WAS CORRECT FOR ALL REFERENCE POINTS ON THE CHART.  NWS
OFFICE OF METEOROLOGY IS WORKING TO ISSUE PEN AND INK AND PAGE
CHANGE CORRECTIONS TO THE OML.
 
IF YOU HAVE ANY QUESTIONS CONCERNING THE NEW REFERENCE
CHART...CONTACT
 
     JAMES H. HENDERSON
     DEPUTY DIRECTOR, AVIATION WEATHER CENTER
     816-426-3427 X 226
     E-MAIL: JAMES.H.HENDERSON /AT SIGN/ NOAA.GOV
 
END





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