NOUS41 KWBC 161217 CCA 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@NOAA.GOVM THIS AND OTHER SERVICE CHANGE NOTICES CAN BE FOUND ONLINE AT /USE LOWER CASE/: HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM $$ NNNN
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