Sunday, April 5, 2009

Sunday: 4-5/Early Afternoon 2

A new TORNADO WATCH has been issued for the enire Kentuckiana region. The latest outlining and discussion from the Storm Prediction Center is below...



Storms are beginning to fire in Central Illinois and Western Indiana. Any cell that develops out ahead of the line will have the potential to produce tornadoes...

Here is the latest from the SPC: TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

DISCUSSION...STRONG S/WV TROUGH AND ASSOCIATED 100KT MID LEVEL JET MAX WILL BE TRACKING INTO LOWER OH VALLEY THIS AFTERNOON. DEEPENING SURFACE LOW MOVES ACROSS CENTRAL IL INTO IND WITH COLD FRONT EXTENDING SSWWD INTO CENTRAL AR ATTM. LOW LEVEL MOISTURE INCREASING IN WARM SECTOR ALONG WITH SURFACE HEATING WILL RAISE MLCAPES TO NEAR 1000 J/KG. SEVERE THUNDERSTORMS INCLUDING SUPERCELLS WILL DEVELOP AHEAD OF SURFACE LOW AND COLD FRONT AND TRACK RAPIDLY ENEWD ACROSS THE WATCH. IN ADDITION TO DAMAGING WINDS/HAIL...TORNADOES WILL BE POSSIBLE...PARTICULARLY WITH ANY SUPERCELL THAT IS ABLE TO DEVELOP IN WARM SECTOR.

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