SEL3URGENT -
IMMEDIATE BROADCAST REQUESTEDTORNADO WATCH NUMBER 193NWS STORM PREDICTION CENTER NORMAN OK
505 PM CDT THU APR 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF
SOUTHERN ILLINOIS
SOUTHWEST INDIANA
WESTERN KENTUCKY
EXTREME SOUTHEAST MISSOURI
NORTHERN MISSISSIPPI
WESTERN TENNESSEE
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 505 PM UNTIL1100 PM CDT.TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WINDGUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESEAREAS.THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTEMILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF EVANSVILLEINDIANA TO 10 MILES SOUTHWEST OF GREENWOOD MISSISSIPPI.FOR ACOMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINEUPDATE (WOUS64 KWNS WOU3).REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FORTORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCHAREA.PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FORTHREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTSAND POSSIBLE WARNINGS.OTHER WATCH INFORMATION...CONTINUE...WW 190...WW 191...WW 192...DISCUSSION...LINE OF STORMS ALONG THE MS RIVER WILL TRACK EASTWARDTHIS EVENING ACROSS THE WATCH AREA.INCREASING LARGE SCALE FORCINGMAY WEAKEN CAPPING INVERSION SUFFICIENTLY TO AID IN CONVECTIVEINTENSIFICATION AND SCATTERED SEVERE STORMS.EXTREMELY STRONG LOWLEVEL VERTICAL SHEAR AND AMPLE INSTABILITY SUGGEST THE POTENTIAL FORTORNADOES...ALONG WITH LARGE HAIL AND DAMAGING WINDS IN STRONGERSTORMS.AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAILSURFACE AND ALOFT TO 1.5 INCHES.EXTREME TURBULENCE AND SURFACEWIND GUSTS TO 60 KNOTS.A FEW CUMULONIMBI WITH MAXIMUM TOPS TO450. MEAN STORM MOTION VECTOR 22035.
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