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033 

WWUS20 KWNS 241101

SEL1

SPC WW 241101

ARZ000-LAZ000-MSZ000-TNZ000-241800-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 91

NWS STORM PREDICTION CENTER NORMAN OK

600 AM CDT SAT APR 24 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN ARKANSAS

       NORTHEAST LOUISIANA

       CENTRAL AND NORTHERN MISSISSIPPI

       SOUTHWEST TENNESSEE



EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 600 AM UNTIL

100 PM CDT.



...THIS IS A PARTICULARLY DANGEROUS SITUATION...



DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...

THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE

POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF

MEMPHIS TENNESSEE TO 55 MILES WEST OF PINE BELT MISSISSIPPI.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 89...WW 90...



DISCUSSION...CLUSTERS OF SEVERE THUNDERSTORMS ARE EXPECTED TO

INTENSIFY THIS MORNING AS LOW LEVEL JET STRENGTHENS AND UPPER TROUGH

APPROACHES.  A COMBINATION OF HIGH MOISTURE VALUES...MODERATE

CAPE...AND EXTREMELY STRONG SHEAR PROFILES WILL POSE A RISK OF

TORNADIC SUPERCELLS THROUGH THE MORNING.  STRONG TORNADOES ARE

POSSIBLE.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24040.





...HART

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