846
NOUS41 KWBC 111759
PNSWSH
PUBLIC INFO. STATEMENT...TECHNICAL IMPLEMENTATION NOTICE 01-27
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
200 PM EDT THU OCT 11 2001
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...NWS EMPLOYEES
FROM: ROBERT E. LIVEZEY
CHIEF...CLIMATE SERVICES DIVISION
SUBJECT: IMPLEMENTATION OF OPERATIONAL SEASONAL CLIMATE FORECAST
MODEL...EFFECTIVE NOVEMBER 6 2001
...THE FOLLOWING NEW MODEL GUIDANCE WILL ONLY BE AVAILABLE VIA
FTP FROM THE NWS SERVER...
EFFECTIVE NOVEMBER 6 2001...THE ENVIRONMENTAL MODELING CENTER
/EMC/ OF THE NWS NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
/NCEP/ WILL OPERATIONALLY IMPLEMENT THE CLIMATE ATMOSPHERIC
GENERAL CIRCULATION MODEL AND ASSOCIATED SOFTWARE AND DATA SETS.
MODEL DATA ACCESS WILL BE FROM THE FOLLOWING FTP SITE /USE UPPER
OR LOWER CASE/:
TGFTP.NWS.NOAA.GOV
THE MODEL WILL BE RUN ONCE A MONTH AND UPDATED OUTPUT WILL BE
AVAILABLE ON THE 6TH OF EACH MONTH. MEAN MONTHLY FORECAST OUTPUT
WILL BE IN ALPHANUMERIC GRIDDED FORMATS FOR GEOPOTENTIAL
HEIGHT...TEMPERATURE...WIND...AND RELATIVE HUMIDITY AT THE
STANDARD PRESSURE LEVELS OF 1000...850...700...500...400...
300...250...200...150...AND 100 MILLIBARS. BUT RELATIVE HUMIDITY
WILL ONLY BE AVAILABLE UP TO 400 MILLIBARS.
THIS MODEL IS THE FIRST OF A NEW THREE-COMPONENT OPERATIONAL
SEASONAL CLIMATE FORECAST SUITE. THE TWO OTHER FUTURE COMPONENTS
OF THE SUITE WILL BE AN OCEAN DATA ASSIMILATION SYSTEM /INCLUDING
REAL-TIME OCEANIC DATA SETS AND QUALITY CONTROL PROCEDURES/ AND A
COUPLED OCEAN-ATMOSPHERIC MODEL FOR FORECASTING SEA SURFACE
TEMPERATURE ANOMALIES OUT TO 9 MONTHS IN ADVANCE.
THIS MODEL HAS BEEN RUNNING IN EXPERIMENTAL FASHION ON THE
RESEARCH AND DEVELOPMENT PART OF THE NCEP CENTRAL COMPUTER.
UPGRADING THE MODEL FROM EXPERIMENTAL TO OPERATIONAL STATUS WILL
HELP ENSURE THE FOLLOWING:
RELIABILITY AND TIMELY PRODUCTION OF THE SEASONAL CLIMATE
FORECAST GUIDANCE TO BETTER SUPPORT THE OPERATIONAL MISSIONS
OF THE CLIMATE PREDICTION CENTER
MAKE DIGITAL CLIMATE MODEL OUTPUT AVAILABLE TO THE PUBLIC
VIA THE FTP SITE LISTED ABOVE
THIS NEW MODEL WAS APPROVED AT THE SEPTEMBER 5 MEETING OF THE
NWS COMMITTEE ON ANALYSIS AND FORECAST TECHNIQUES IMPLEMENTATION
/CAFTI/. A COPY OF THE PRESENTATION MADE AT THAT MEETING IS
AVAILABLE ONLINE AT /USE LOWER CASE/:
HTTP://WWW.EMC.NCEP.NOAA.GOV/CMB/CAFTI/PRESENTATION/
MORE DETAILS ON THIS CLIMATE FORECAST MODEL CAN BE FOUND IN NWS
TECHNICAL PROCEDURES BULLETIN NUMBER 480 AT /USE LOWER CASE/:
HTTP://WWW.NWS.NOAA.GOV/OM/TPB/480BODY.HTM
IF YOU HAVE ANY QUESTIONS ABOUT THIS MODEL...PLEASE CONTACT:
DR. HUA-LU PAN
NCEP/NOAA W/NP23
5200 AUTH RD. RM 204
CAMP SPRINGS MD 20746-4303
PHONE: 301-763-8000 EXT. 7234
E-MAIL: HUALU.PAN@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
END
---------- End Forwarded Message ----------