Monday, August 10, 2009

Monday/4:00PM

A Mesoscale Discussion has been issued by the SPC for the entire region (graphic and text below) Storms are beginning to develop north of a Seymour, North Vernon, Bedford line. These are not currently severe, but there is plenty of unstable air across the region. So, some storms could very well go severe. STAY TUNED!

SPC SAYS: BoldAT LEAST AN ISOLATED SEVERE THREAT MAY DEVELOP THROUGH THE REMAINDER OF THE AFTERNOON ACROSS PORTIONS OF SOUTHERN INDIANA/SOUTHERN OH/NORTHERN KY INTO WV. WHILE A WATCH IS NOT CURRENTLY ANTICIPATED IN THE SHORT TERM...CONVECTIVE TRENDS WILL CONTINUED TO BE MONITORED FOR A POSSIBLE SEVERE TSTM WATCH. ALONG/AHEAD OF SURFACE TROUGH...MULTIPLE QUASI-LINEAR BROKEN BANDS OF TSTMS WILL LIKELY CONTINUE TO DEVELOP/SPREAD EASTWARD ACROSS PORTIONS OF SOUTHERN INDIANA/SOUTHERN OH/NORTHERN KY TO WV THROUGH THE REMAINDER OF THE AFTERNOON. OVERALL REGIME IS NOT STRONGLY FORCED ACROSS THIS REGION...AND MODEST VERTICAL SHEAR/WEAK MID LEVEL LAPSE RATES MAY TEND TO LIMIT OVERALL STORM ORGANIZATION/VIGOR. NEVERTHELESS...GIVEN STEEP LOW LEVEL LAPSE RATES/MODERATE BUOYANCY...SOME OF THE STRONGER STORMS WILL BE CAPABLE OF PERIODIC DAMAGING WINDS/PERHAPS SOME PULSE HAIL THROUGH AROUND SUNSET.

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