SWODY1
SPC AC 210043
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0643 PM CST FRI FEB 20 2009
VALID 210100Z - 211200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS/FCST...
AMPLIFYING MID-LVL SHORTWAVE TROUGH OVER THE DAKS AT 01Z WILL REACH
THE UPR MS VLY AND CORN BELT LATER TONIGHT. ASSOCD VIGOROUS
ASCENT/LLVL WARM ADVECTION WILL SUFFICIENTLY MOISTEN THE COLUMN FOR
A FEW SHOWERS ALONG/AHEAD OF THE SEWD MOVING CDFNT OVERNIGHT.
HOWEVER...MOISTURE IS LIMITED PER 00Z RAOBS AND DESPITE STEEP H85-H5
LAPSE RATES...TSTM CHANCES WILL REMAIN LOW. ONE OR TWO LIGHTNING
STRIKES MAY OCCUR OVER PARTS OF NRN MO THROUGH ABOUT 06Z.
..RACY.. 02/21/2009
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