SWODY1
SPC AC 290048
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0748 PM CDT FRI AUG 28 2009
VALID 290100Z - 291200Z
...NO SVR TSTM AREAS FORECAST...
...SRN WI...
LINE OF STORMS CONTINUES ALONG COLD FRONT OVER SRN WI WHERE DEEP
LIFT IS AUGMENTED WITHIN EXIT REGION OF SEWD ADVANCING UPPER JET
MAX. THE STORMS HAVE PEAKED IN INTENSITY AND ARE MOVING THROUGH A
NARROW AXIS OF MARGINAL INSTABILITY. TREND WILL BE FOR THIS ACTIVITY
TO DECREASE AS THE BOUNDARY LAYER STABILIZES.
...ELSEWHERE...
SCATTERED STORMS PERSIST AHEAD OF COLD FRONT ACROSS CNTRL OH AND
OVER THE CAROLINAS AND ERN VA WITHIN ZONE OF DEEP LIFT ASSOCIATED
WITH NEWD EJECTING UPPER TROUGH. THE STORMS ARE EMBEDDED WITHIN AN
ENVIRONMENT CHARACTERIZED BY 1500 J/KG MLCAPE...BUT WITH WEAK LAPSE
RATES AND 25-30 KT VERTICAL SHEAR SUPPORTIVE OF MULTICELLS. OTHER
THAN THE POTENTIAL FOR AN ISOLATED WET MICROBURST OR TWO...OVERALL
SEVERE THREAT IS LIMITED IN THESE AREAS.
..DIAL.. 08/29/2009
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