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-------- Original Message --------968 NOUS41 KWBC 201503
PNSWSH TECHNICAL IMPLEMENTATION NOTICE 07-57 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 11:03 AM EDT MON AUG 20 2007TO: 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/ PARTNERS AND OTHER USERS...NWS EMPLOYEES
FROM: PAUL HIRSCHBERG
CHIEF...SCIENCE PLANS BRANCH
OFFICE OF SCIENCE AND TECHNOLOGY /OST/
SUBJECT: UPGRADE OF THE NCEP AIR QUALITY FORECAST /CMAQ/ SYSTEM:
EFFECTIVE SEPTEMBER 18 2007
EFFECTIVE TUESDAY SEPTEMBER 18 2007...AT 1200 COORDINATED UNIVERSAL TIME /UTC/...THE NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/ WILL UPGRADE THE CMAQ MODEL RUN IN ITS OPERATIONAL PRODUCTION SUITE. THIS UPGRADE WILL PROVIDE THE FOLLOWING CHANGES TO THIS SYSTEM:
- THE OPERATIONAL CMAQ DOMAIN WILL BE EXPANDED TO COVER THE ENTIRE CONTINENTAL U.S. - IMPLEMENT THE COMMON NONHYDROSTATIC MESOSCALE MODEL /NMM/ VERTICAL COORDINATE INTO CMAQ - UPDATE NATIONAL EMISSION INVENTORY FOR CALIFORNIA WITH 2002 ESTIMATES - UPDATE ALL OTHER POINT... AREA AND MOBILE SOURCE EMISSIONS USING THE DEPARTMENT OF ENERGY ANNUAL ENERGY OUTLOOK FOR 2007 - IMPLEMENT THE ASYMMETRIC CONVECTIVE MODEL DEEP CONVECTIVE MIXING INTO CMAQ TO REDUCE INTRUSION OF STRATOSPHERIC AIR INTO THE TROPOSPHERE FROM DEEP CONVECTION - IMPLEMENT THE ASYMMETRIC CONVECTIVE MODEL-2 BOUNDARY LAYER MIXING SCHEME INTO CMAQ - REMOVE THE USE OF GFS OZONE PREDICTION FOR CMAQ TOP LATERAL BOUNDARY CONDITIONS /THIS WILL BE REIMPLEMENTED AT A LATER DATE ONCE THE OVER PREDICTION BIAS CAUSED BY THESE SPECIFICATIONS IS CORRECTED/
ONCE OPERATIONAL THE OUTPUT FROM THIS ENHANCED PROCESSING WILL BE AVAILABLE FROM THE NWS...NATIONAL DIGITAL GUIDANCE DATABASE /NDGD/ SERVER LOCATED AT.../USE LOWER CASE LETTERS EXCEPT FOR SL...ST...DF...DC AND AR/:
WEATHER.NOAA.GOV/PUB/SL.US008001/ST.OPNL/DF.GR2/DC.NDGD/AR.CONUS/OUTPUT FROM THE NEW CMAQ MODEL SYSTEM IS CURRENTLY BEING GENERATED DAILY AT NCEP. THESE DATA CAN BE OBTAINED FROM THE EXPERIMENTAL NDGD SERVER LOCATED AT.../USE LOWER CASE LETTERS EXCEPT FOR SL...ST...DF...DC AND AR/:
WEATHER.NOAA.GOV/PUB/SL.US008001/ST.EXPR/DF.GR2/DC.NDGD/AR.CONUS/MORE INFORMATION ON NCEP MODEL CHANGES CAN BE FOUND AT THE LINK BELOW.../USE LOWER CASE LETTERS/:
HTTP://WWW.NCO.NCEP.NOAA.GOV/PMB/CHANGESIF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:
JOE CARR
NCEP...PRODUCTION MANAGEMENT BRANCH
CAMP SPRINGS MARYLAND
PHONE: 301 763 8000 X7709
EMAIL: JOE.CARR@xxxxxxxx
THIS NOTICE AND OTHER TECHNICAL IMPLEMENTATION NOTICES ARE
AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
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