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763 NOUS42 KWNO 270723 ADMNFD SPECIAL NCEP DISCUSSION CENTRAL OPERATIONS/NCEP/NWS/WASHINGTON DC 0715 UTC TUE NOV 27 2001 270715Z...THE 27/00Z UKMET OUTPUT WAS ONLY AVAILABLE TO 120HRS DUE TO BRACKNELL RUNNING THEIR MODEL PRODUCTION IN BACKUP MODE..THEY ANTICIPATE OUTPUT TO 144HRS FOR THE 27/12Z MODEL RUN.. OTHERWISE..NCEP MODEL PRODUCTION IS RUNNING ON TIME..THE 06Z ETA IS OUT TO 06HRS AND THE 00Z MRF IS OUT TO 120HRS.. FYI...EFFECTIVE WITH THE 12Z CYCLE LATER TODAY TUE 11/27.. THE OPNL ETA MODEL WILL HAVE AN INCREASED RESOLUTION FROM 22KM TO 12KM AND FROM 50 TO 60 LEVELS. A NEW GRID SCALE CLOUD MICROPHYSICS SCHEME HAS ALSO BEEN IMPLEMENTED TO REDUCE OVER PREDICTION OF LIGHT PRECIP AMOUNTS..REDUCE GRID SCALE PRECIP BULLS EYES...IMPROVE FCST OF PRECIP TYPE..AND ELIMINATE SPURIOUS VV FIELDS IN REGIONS OF HEAVY GRID SCALE PRECIP. NOAA 16 RADIANCE DATA AND ADDITIONAL MOISTURE CHANNELS FROM NOAA 15 AND NOAA 16 WILL ALSO BE INGESTED. NO CHANGES TO ANY OF THE STANDARD ETA MODEL GRIDS OR PRODUCTS AVBL FROM THE FOS...AWIPS SBN..OR FROM THE OPS NWSTG SERVER WILL BE MADE. ALSO...SINCE MANY MORE IBM NODES WILL BE EMPLOYED FOR THE ETA FCST... THERE IS NOT EXPECTED TO BE ANY CHANGE IN THE TIME OF DELIVERY OF ETA PRODUCTS WITH THIS IMPLEMENTATION. SMITH/SDM/NCO/NCEP NNNN ---------- End Forwarded Message ----------
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