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223 

WWUS20 KWNS 210355

SEL5

SPC WW 210355

ARZ000-LAZ000-211100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 95

NWS STORM PREDICTION CENTER NORMAN OK

1055 PM CDT TUE MAR 20 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTH CENTRAL ARKANSAS

       NORTHERN AND CENTRAL LOUISIANA



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1055 PM

UNTIL 600 AM 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 35 STATUTE

MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST OF EL

DORADO ARKANSAS TO 55 MILES SOUTH OF FORT POLK LOUISIANA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU5).



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 94...



DISCUSSION...A NARROW ZONE OF VERY STRONG LOW LEVEL VERTICAL SHEAR

EXTENDS FROM SOUTHWEST LA INTO CENTRAL AR.  ISOLATED CELLS CONTINUE

TO EXHIBIT TRANSIENT BUT STRONG MESOCYCLONES CAPABLE OF TORNADOES

AND DAMAGING WINDS.  DESPITE THE WEAK INSTABILITY...THE THREAT FOR

THIS ACTIVITY MAY PERSIST FOR MUCH OF THE NIGHT.



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 21030.





...HART

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