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TECHNICAL INFORMATION NOTICE 04-07...CORRECTED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1115 AM EDT TUE APR 20 2004
TO: NATIONAL WEATHER SERVICE /NWS/ OFFICES
FAMILY OF SERVICES SUBSCRIBERS
OTHER CUSTOMERS OF NCEP ETA MODEL FORECASTS
FROM: PAUL HIRSCHBERG
CHIEF...SCIENCE PLANS BRANCH
OFFICE OF SCIENCE AND TECHNOLOGY /OST/
SUBJECT: CORRECTED...CHANGES TO THE PRODUCT DELIVERY
SCHEDULE FOR THE NCEP ETA MODEL FORECASTS...
EFFECTIVE 1200 UTC APRIL 20 2004
NOTE: THE ORIGINAL TECHNICAL IMPLEMENTATION NOTICE 04-07...
WAS TRANSMITTED ON FEBRUARY 5 2004. WE ARE
RETRANSMITTING THIS NOTICE TO CORRECT THE INFORMATION
REGARDING BUFR SOUNDINGS AND TO REMIND USERS OF THE ETA
SCHEDULE CHANGE.
CORRECTED...THE FORECAST LENGTH OF THE ETA BUFR SOUNDINGS WILL
NOT BE CHANGED
ON TUESDAY APRIL 20 2004 AT 1200 COORDINATED UNIVERSAL TIME
/UTC/...THE NATIONAL CENTERS OF ENVIRONMENTAL PREDICTION /NCEP/
WILL CHANGE THE PRODUCT DELIVERY SCHEDULE FOR THE ETA MODEL
FORECASTS. ON THIS DATE THE ETA MODEL FORECASTS WILL BE RUN IN A
NEW CONFIGURATION THAT WILL ALLOW FOR THE 0-84 HOUR FORECAST
SEGMENT TO BE RUN IN THE CURRENT 0-60 HOUR TIME SLOT. THIS
CHANGE WILL BE PERMANENT AND IS EXPECTED TO HAVE THE FOLLOWING
IMPACT ON PRODUCT DELIVERY TIMES:
24 HOUR PRODUCTS: 5-10 MINUTES EARLIER
36 HOUR PRODUCTS: 10-15 MINUTES EARLIER
48 HOUR PRODUCTS: 15-20 MINUTES EARLIER
60 HOUR PRODUCTS: 20-25 MINUTES EARLIER
84 HOUR PRODUCTS: 35-40 MINUTES EARLIER
CORRECTED...THE FORECAST LENGTH OF THE ETA BUFR SOUNDINGS WILL
NOT BE INCREASED FROM 60 HOURS TO 84 HOURS AS WAS PREVIOUSLY
ADVERTISED. THIS CHANGE WILL BE ADVERTISED AT A LATER DATE.
IF YOU HAVE ANY QUESTIONS OR COMMENTS CONCERNING EITHER THE
CHANGE IN PRODUCT DELIVERY SCHEDULE OR THE CHANGE TO THE ETA BUFR
SOUNDINGS...PLEASE CONTACT:
JOHN WARD
NCEP...PRODUCTION MANAGEMENT BRANCH
CAMP SPRINGS MARYLAND
PHONE: 301-763-8000 X 7185
E-MAIL: JOHN.WARD@xxxxxxxx
OR
GEOFF DIMEGO
NCEP...MESOSCALE MODELING BRANCH
CAMP SPRINGS MARYLAND
PHONE: 301-763-8000 X 7221
E-MAIL: GEOFF.DIMEGO@xxxxxxxx
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ON THE INTERNET AT /USE LOWER CASE/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
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