NOUS41 KWBC 201330
PNSWSH
SERVICE CHANGE NOTICE 07-48
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
930 AM EDT FRI JUL 20 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
AVIATION SERVICES BRANCH CHIEF
SUBJECT: FORMAT CHANGE FOR OCEANIC SIGMETS ISSUED BY THE
AVIATION WEATHER CENTER /AWC/: EFFECTIVE NOVEMBER 7
2007
NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER
WIRE SERVICE SUBSCRIBERS
EFFECTIVE NOVEMBER 7 2007 AT 0000 UNIVERSAL COORDINATED TIME
/UTC/ THE AWC WILL BEGIN ISSUING SIGMETS FOR OCEANIC FLIGHT
INFORMATION REGIONS USING A NEW FORMAT FOR LATITUDE AND LONGITUDE
VALUES. THE CHANGE IS SUMMARIZED AS FOLLOWS.
1. THE HEMISPHERIC DESIGNATION FOR LATITUDE /N OR S/ AND
LONGITUDE /W OR E/ WILL BE SHIFTED TO THE LEFT OF THE NUMERIC
VALUE.
2. THE NUMERIC VALUE WILL CONTAIN TWO DIGITS FOR WHOLE DEGREES OF
LATITUDE AND THREE DIGITS FOR WHOLE DEGREES OF LONGITUDE FOLLOWED
BY TWO DIGITS FOR MINUTES OF LATITUDE OR LONGITUDE.
3. A SPACE-HYPHEN-SPACE WILL BE INSERTED BETWEEN SUCCESSIVE
LATITUDE AND LONGITUDE POINTS DELINEATING AN AREA.
AN EXAMPLE OF THE NEW FORMAT IS AS FOLLOWS:
N4830 W15500 – N4530 W15030 – N4330 W16000 – N4830 15500
THIS FORMAT CHANGE WILL BE IMPLEMENTED TO BRING THE OCEANIC
SIGMETS ISSUED BY THE AWC INTO COMPLIANCE WITH INTERNATIONAL
STANDARDS AND RECOMMENDED PRACTICES.
THE FOLLOWING OCEANIC SIGMETS WILL BE AFFECTED BY THIS CHANGE.
WMO HEADING WMO HEADING
WCPN01 KKCI WCNT01 KKCI
WCPN02 KKCI WCNT02 KKCI
WCPN03 KKCI WCNT03 KKCI
WCPN04 KKCI WCNT04 KKCI
WCPN05 KKCI WCNT05 KKCI
WCPN06 KKCI WCNT06 KKCI
WCPN07 KKCI WCNT07 KKCI
WCPN08 KKCI WCNT08 KKCI
WCPN09 KKCI WCNT09 KKCI
WCPN10 KKCI WCNT10 KKCI
WCPN11 KKCI WCNT11 KKCI
WCPN12 KKCI WCNT12 KKCI
WCPN13 KKCI WCNT13 KKCI
WSPN01 KKCI WSNT01 KKCI
WSPN02 KKCI WSNT02 KKCI
WSPN03 KKCI WSNT03 KKCI
WSPN04 KKCI WSNT04 KKCI
WSPN05 KKCI WSNT05 KKCI
WSPN06 KKCI WSNT06 KKCI
WSPN07 KKCI WSNT07 KKCI
WSPN08 KKCI WSNT08 KKCI
WSPN09 KKCI WSNT09 KKCI
WSPN10 KKCI WSNT10 KKCI
WSPN11 KKCI WSNT11 KKCI
WSPN12 KKCI WSNT12 KKCI
WSPN13 KKCI WSNT13 KKCI
WVPN01 KKCI WVNT01 KKCI
WVPN02 KKCI WVNT02 KKCI
WVPN03 KKCI WVNT03 KKCI
WVPN04 KKCI WVNT04 KKCI
WVPN05 KKCI WVNT05 KKCI
WVPN06 KKCI WVNT06 KKCI
WVPN07 KKCI WVNT07 KKCI
WVPN08 KKCI WVNT08 KKCI
WVPN09 KKCI WVNT09 KKCI
WVPN10 KKCI WVNT10 KKCI
WVPN11 KKCI WVNT11 KKCI
WVPN12 KKCI WVNT12 KKCI
WVPN13 KKCI WVNT13 KKCI
ALTHOUGH THIS NOTICE IS LESS THAN THE 120 DAYS AS SPECIFIED BY
NWSI 10-1805...THE NEW FORMAT FOR OCEANIC SIGMETS WAS REQUESTED
THROUGH THE FAA AND HAS BEEN CLOSELY COORDINATED WITH THAT AGENCY
TO BE EFFECTIVE ON NOVEMBER 7 2007.
IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:
LARRY BURCH
DEPUTY DIRECTOR
AVIATION WEATHER CENTER
7220 NW 101ST TERRACE
KANSAS CITY MISSOURI 64153
PHONE: 816-584-7203
EMAIL: LARRY.BURCH@xxxxxxxx
THIS AND OTHER NWS SERVICE CHANGE NOTICES ARE AVAILABLE ONLINE
AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWV.NOAA.GOV/OM/NOTIF.HTM
$$
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