20070316: Vortex: ADMIN NOTICE NOUS41 KWBC]

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-------- Original Message --------
824 NOUS41 KWBC 161217 
PNSWSH

SERVICE CHANGE NOTICE 07-08 CORRECTED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
817 AM EDT FRI MAR 16 2007
TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...NOAAPORT SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS AND PARTNERS... 
AND NWS EMPLOYEES

FROM:    THERESE Z. PIERCE
CHIEF...MARINE AND COASTAL SERVICES BRANCH
SUBJECT: CORRECTED: ENHANCEMENT TO THE VORTEX DATA MESSAGE PRODUCT: EFFECTIVE MAY 15 2007 
CORRECTED THE DOD PRODUCT HEADINGS LISTED IN TABLES 1 AND 2 
BELOW.

ITEM F IN THE RECONNAISSANCE VORTEX DATA MESSAGE /VDM/ PRODUCT IS 
THE MAXIMUM FLIGHT-LEVEL WIND OBSERVED ON THE INBOUND LEG PRIOR 
TO THE STORM CENTER FIX. CURRENTLY IF A HIGHER WIND IS OBSERVED 
ON THE OUTBOUND LEG IT IS REPORTED IN ITEM P ON THE SUBSEQUENT 
VORTEX MESSAGE...USUALLY 2 HOURS LATER. IN ADDITION WIND MAXIMA 
OBSERVED AFTER THE FINAL FIX OF A MISSION ARE NOT TRANSMITTED 
THROUGH A SUBSEQUENT VDM.

EFFECTIVE ON MAY 15 2007...IF AN OBSERVED OUTBOUND WIND MAXIMUM 
IS HIGHER THAN THE INBOUND WIND REPORTED IN ITEM F...THEN THE 
OUTBOUND MAXIMUM WILL BE REPORTED IN THE VDM FOR THE FIX JUST 
OBTAINED. IF...AFTER THE TRANSMISSION OF THE VDM...A HIGHER 
OUTBOUND WIND MAXIMUM IS OBSERVED...THEN A CORRECTED VORTEX 
MESSAGE WILL BE TRANSMITTED AT THE CONCLUSION OF THE OUTBOUND LEG 
WITH THE UPDATED OUTBOUND MAXIMUM. OUTBOUND WIND MAXIMA WILL BE 
REPORTED IN ITEM P.  

DOC AND DOD HURRICANE RECONNAISSANCE AIRCRAFT PROVIDE VORTEX DATA 
MESSAGES /VDM/ AS PART OF THE NATIONAL HURRICANE OPERATIONS PLAN 
/NHOP/. THESE PRODUCTS AND ASSOCIATED HEADERS ARE PROVIDED IN 
TABLES 1 AND 2 FOR THE ATLANTIC AND PACIFIC HURRICANE BASINS 
RESPECTIVELY.

TABLE 1. VDM FOR THE ATLANTIC HURRICANE BASIN

FEDERAL AGENCY   WMO HEADING

DOC URNT12 KWBC
DOD URNT12 KNHC AND URNT12 KBIX

TABLE 2. VDM FOR THE EAST...CENTRAL...AND WEST PACIFIC HURRICANE
        BASINS

FEDERAL AGENCY     WMO HEADING

DOC   URPN12 KWBC
DOD   URPN12 KNHC AND URPN12 KBIX


COMPLETE VDM FORMATS ARE PROVIDED IN THE NHOP...SEE TABLE 5-2 AND 
FIGURE 5-6. THE NHOP IS ONLINE AT /USE LOWER CASE LETTERS/:

HTTP://WWW.OFCM.GOV/NHOP


THE 2006 NHOP IS NOW POSTED ON THE INTERNET. THE 2007 NHOP WILL 
BE POSTED BY JUNE 1 2007.
                      
IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:

    CHRIS SISKO
    TROPICAL PREDICTION CENTER

    NATIONAL HURRICANE CENTER 
    11691 SW 17TH STREET

    MIAMI FLORIDA  33165
    PHONE: 305-229-4431
    EMAIL: CHRIS.A.SISKO@xxxxxxxx


THIS AND OTHER SERVICE CHANGE NOTICES CAN BE FOUND ONLINE AT  
/USE LOWER CASE/:

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

$$



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