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NOUS41 KWBC 181445
PNSWSH
SERVICE CHANGE NOTICE 10-17
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
945 AM EST MON MAR 8 2010
TO: SUBSCRIBERS:
-FAMILY OF SERVICES
-NOAA WEATHER WIRE SERVICE
-NOAAPORT
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-OTHER NWS PARTNERS...USERS AND EMPLOYEES
FROM: THERESE Z. PIERCE
CHIEF...MARINE AND COASTAL SERVICES BRANCH
SUBJECT: CHANGE TO CODING OF HIGH DENSITY OBSERVATION /HDOB/
MESSAGE FOR MISSING DATA: EFFECTIVE JULY 15 2010
EFFECTIVE JULY 15 2010...THE CODING OF THE HDOB MESSAGE FOR
MISSING DATA TRANSMITTED FROM NOAA AND AIR FORCE RECONNAISSANCE
AIRCRAFT WILL CHANGE FROM 999 TO ///. THIS CHANGE IS BEING MADE
FOR HDOBS TO BE CONSISTENT WITH THE CODING OF MISSING DATA FOUND
IN OTHER METEOROLOGICAL DATA MESSAGES.
IN ADVANCE OF THIS CHANGE...USERS OF HDOB MESSAGES MAY NEED TO
MAKE CHANGES TO THEIR SOFTWARE TO CORRECTLY PROCESS THE NEW DATA
FORMAT.
THERE WILL BE NO CHANGES TO WMO HEADINGS OR AWIPS IDS OF THE
HDOB MESSAGES.
IF THERE ARE ANY CHANGES TO THE IMPLEMENTATION DATE... AN
ADDITIONAL SERVICE CHANGE NOTICE WILL BE ISSUED AS EARLY AS
POSSIBLE TO NOTIFY USERS. FOR EXAMPLE IF THERE IS AN ACTIVE
TROPICAL CYCLONE IN THE DAYS PRIOR TO JULY 15...OR TROPICAL
DEVELOPMENT IS ANTICIPATED AROUND THIS DATE... A NEW
IMPLEMENTATION DATE WILL BE PROVIDED.
THE OLD AND NEW HDOB MESSAGE FORMATS WILL BE PROVIDED IN THE
2010 NATIONAL HURRICANE OPERATIONS PLAN /NHOP/ APPENDIX G. THE
2010 NHOP WILL BE AVAILABLE BY JUNE 1 2010 AT /USE LOWERCASE/:
HTTP://WWW.OFCM.GOV
IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT
JOHN KUHN NATIONAL WEATHER SERVICE 1325 EAST WEST HIGHWAY SILVER SPRING MARYLAND 20910 301 713 1677 EXTENSION 121 JOHN.F.KUHN@xxxxxxxx
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