914
WWUS20 KWNS 222353 CCA
SEL4
SPC WW 222353 CCA
MSZ000-230500-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 774...CORRECTED
NWS STORM PREDICTION CENTER NORMAN OK
735 PM CDT THU OCT 22 2009
CORRECTED FOR DAYLIGHT TIME
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL MISSISSIPPI
EFFECTIVE THIS THURSDAY NIGHT FROM 735 PM UNTIL MIDNIGHT CDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF
GREENWOOD MISSISSIPPI TO 40 MILES EAST SOUTHEAST OF MC COMB
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 773...
DISCUSSION...ISOLATED STRONG THUNDERSTORMS ARE TRACKING
NORTHEASTWARD ACROSS WESTERN MS. DESPITE WEAK INSTABILITY...STRONG
LOW LEVEL AND DEEP LAYER VERTICAL SHEAR ARE COUPLING WITH INCREASING
LARGE SCALE FORCING FOR AN SUSTAINED BUT RATHER LOW THREAT OF AN
ISOLATED TORNADO OR TWO.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 24035.
...HART
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