SWODY1
SPC AC 030100
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0800 PM CDT TUE AUG 02 2011
VALID 030100Z - 031200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE GREAT LAKES
REGION...
...GREAT LAKES REGION...
FED BY A VERY MOIST/UNSTABLE AIRMASS AS PER THE DAVENPORT 00Z
OBSERVED SOUNDING /6800 J PER KG MLCAPE/...ONGOING QUASI-LINEAR MCS
NEAR SOUTHERN LOWER MI EARLY THIS EVENING MAY EXPAND/FURTHER
ACCELERATE AS IT SPREADS SOUTHEASTWARD TONIGHT INTO SOUTHERN LOWER
MI AND OH/INDIANA. OTHER MCS-PERIPHERAL DEVELOPMENT...AT LEAST ON AN
ISOLATED BASIS...SEEMS LIKELY TO OCCUR ALONG THE SURFACE BOUNDARY
THAT EXTENDS WESTWARD INTO NORTHERN IL...WITH OTHER STORMS PRECEDING
THE MCS VIA WARM ADVECTION. OVERALL...DAMAGING WINDS ARE EXPECTED TO
THE PRIMARY THREAT...WITH LARGE HAIL A POSSIBILITY AS WELL WITH ANY
SUPERCELLS/MORE DISCRETE STORMS GIVEN THE DEGREE OF INSTABILITY.
ALSO REFERENCE MESOSCALE DISCUSSION 1836 FOR ADDITIONAL INFORMATION.
..GUYER.. 08/03/2011
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