SPC Day 1 Thunderstorm Outlook Issued 01Z 20030116


ZCZC SPCSWODY1 ALL
ACUS01 KWNS 160101
SPC AC 160100

STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK 
DAY 1 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWE46 KWNS.

VALID 160100Z - 161200Z

NO TSTM AREAS FCST.

--- SYNOPSIS ---
PROGRESSIVE MIDDLE-UPPER LEVEL PATTERN CONTINUES OVER CONUS --
FEATURING WRN STATES LONGWAVE RIDGE AND MEAN TROUGH OVER ERN
STATES.  INTENSE NW-FLOW SHORTWAVE TROUGH -- NOW APPARENT ON
MOISTURE CHANNEL IMAGERY AND AVAILABLE RAOB DATA OVER GREAT PLAINS
-- IS EXPECTED TO MOVE SEWD ACROSS REMAINDER CENTRAL/SRN PLAINS
TONIGHT.   ASSOCIATED SURFACE CYCLONE SHOULD SHIFT EWD ACROSS
OK...WITH COLD FRONT SWEEPING SEWD OVER MUCH OF WRN PORTIONS TX/OK.
ALTHOUGH LOW LEVEL WAA/ISENTROPIC ASCENT WILL REMAIN QUITE
VIGOROUS WITH THIS SYSTEM...AIR MASS WILL REMAIN TOO STABLE IN LOW
LEVELS TO SUPPORT AREAS OF TSTMS.
 
..EDWARDS.. 01/16/03

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