SWODY3
SPC AC 140632
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0132 AM CDT SUN OCT 14 2007
VALID 161200Z - 171200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
UPPER LOW/TROUGH INITIALLY CENTERED OVER ERN PORTIONS OF THE NRN
PLAINS/THE UPPER MS VALLEY WILL WEAKEN WITH TIME WHILE MOVING NEWD
INTO THE UPPER GREAT LAKES REGION AS A NEGATIVELY-TILTED TROUGH.
ASSOCIATED COLD FRONT IS FORECAST TO WEAKEN WITH TIME...WHILE MOVING
ACROSS THE MIDWEST THROUGH THE PERIOD.
..MIDWEST/MID OH VALLEY REGION...
A LIMITED SEVERE THREAT APPEARS TO EXIST ACROSS PARTS OF LOWER
MI/IL/INDIANA/OH/KY THIS PERIOD...AHEAD OF WEAKENING COLD FRONT. AS
SERN FRINGE NEGATIVELY-TILTED TROUGH ALOFT MOVES NEWD ACROSS THIS
REGION...40 TO 50 KT WSWLY FLOW WILL PERSIST AT MID LEVELS. WHILE
BOUNDARY-LAYER DESTABILIZATION AHEAD OF WEAKENING FRONT SHOULD
REMAIN MINIMAL /LESS THAN 500 J/KG MIXED-LAYER CAPE/...CAPE-SHEAR
COMBINATION MAY BE SUFFICIENT FOR A FEW STRONGER/BRIEFLY-SEVERE
STORMS -- AND ASSOCIATED THREAT FOR GUSTY WINDS. ANY THREAT SHOULD
DIMINISH RAPIDLY AFTER SUNSET WITH THE ONSET OF DIURNAL
COOLING/STABILIZATION.
.GOSS.. 10/14/2007
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