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-------- Original Message -------- Subject: ADMIN NOTICE NOUS41 KWBC Date: Tue, 27 Jun 2006 05:55:45 -0600 (MDT) From: Unidata Local Data Manager <ldm@xxxxxxxxxxxxxxxx> Organization: UCAR/Unidata To: ldmnotices@xxxxxxxxxxxxxxxx125 NOUS41 KWBC 271153
PNSWSH
SERVICE CHANGE NOTICE 06-25
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
754 AM EDT TUE JUN 27 2006
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: ELI JACKS
CHIEF...FIRE AND PUBLIC WEATHER SERVICES BRANCH
SUBJECT: CHANGES IN HPC NON-TECHNICAL WINTER LOW TRACK WEB
GRAPHIC: EFFECTIVE SEPTEMBER 15 2006
EFFECTIVE FRIDAY SEPTEMBER 15 2006...THE NATIONAL CENTERS FOR
ENVIRONMENTAL PREDICTION /NCEP/ WILL MAKE THE NON-TECHNICAL
WINTER LOW TRACK WEB GRAPHIC OPERATIONAL.
NOTE: THIS PRODUCT IS ONLY TRANSMITTED ON THE WEB. CONCURRENT WITH THE OPERATIONAL IMPLEMENTATION OF THE NON-TECHNICAL WINTER LOW GRAPHIC ... THE NCEP HYDROMETEOROLOGICAL PREDICTION CENTER /HPC/ WILL MAKE THE FOLLOWING TWO CHANGES TO THE PREVIOUSLY EXPERIMENTAL PRODUCT: 1. THE INITIAL POSITION OF EXISTING LOWS AT 00 UTC OR 12 UTC WILL BE DEPICTED BY A RED DOT /WITHOUT CIRCLES/. 2. THE YELLOW CIRCLES AROUND EACH FORECAST LOW POSITION WILL REPRESENT A 75 PERCENT PROBABILITY THAT THE OBSERVED LOW WILL BE WITHIN THE CIRCLE. THE PROBABILITY IS DERIVED FROM THE PREVIOUS SEASONS VERIFICATION DATA. DURING THE LAST WINTER WEATHER SEASON... THE YELLOW CIRCLES REPRESENTED THE AVERAGE HISTORICAL ERROR IN LOW TRACK POSITION AT A GIVEN VALID TIME ...E.G. H+12 HOURS... H+24 HOURS. USERS CAN FIND THE EXISTING LOW TRACK GRAPHIC AT /USE LOWER CASE LETTERS/:
HTTP://WWW.HPC.NCEP.NOAA.GOV/WWD/LOWTRACK_PUBLIC.GIF
A SAMPLE OF THE REVISED PRODUCT IS AVAILABLE AT /USE LOWER CASE
LETTERS/:
HTTP://WWW.HPC.NCEP.NOAA.GOV/WWD/WWDCHANGES20062007/NEW_LOWTRACK
_PUBLIC.GIF
IF YOU HAVE QUESTIONS REGARDING THIS CHANGE ...PLEASE CONTACT:
KEVIN MCCARTHY
DEPUTY DIRECTOR...HYDROMETEOROLOGICAL PREDICTION CENTER
NATIONAL WEATHER SERVICE
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
5200 AUTH ROAD
CAMP SPRINGS MARYLAND 20746
PHONE: 301-763-8000 X 7304
EMAIL: KEVIN.MCCARTHY@xxxxxxxx
-OR-
ROBERT KELLY
CHIEF...FORECAST OPERATIONS BRANCH
NATIONAL WEATHER SERVICE
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER
5200 AUTH ROAD
CAMP SPRINGS MARYLAND 20746
PHONE: 301-763-8000 X 7306
EMAIL: ROBERT.KELLY@xxxxxxxx
THIS AND OTHER NWS SERVICE CHANGE NOTICES ARE AVAILABLE AT /USE LOWER
CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
--
Linda Miller - lmiller@xxxxxxxxxxxxxxxx
Community Services, Unidata
University Corporation for Atmospheric Research
P.O. Box 3000
Boulder, CO 80307-3000
303-497-8646 fax: 303-497-8690
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