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945 

WWUS20 KWNS 241725

SEL2

SPC WW 241725

ARZ000-250000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 192

NWS STORM PREDICTION CENTER NORMAN OK

1230 PM CDT SUN APR 24 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN ARKANSAS



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL

700 PM CDT.



TORNADOES...HAIL TO 2 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 40 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF

RUSSELLVILLE ARKANSAS TO 25 MILES NORTHEAST OF JONESBORO

ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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.



DISCUSSION...A CLUSTER OF INTENSE THUNDERSTORMS WILL CONTINUE TO

INCREASE AND TRACK EAST-NORTHEASTWARD ACROSS NORTHERN AR ALONG A

SURFACE BOUNDARY.  HEATING TO THE SOUTH OF THE BOUNDARY COUPLED WITH

SUFFICIENT SHEAR WILL SUPPORT A RISK OF SUPERCELLS AND BOW ECHO

STRUCTURES CAPABLE OF DAMAGING WINDS...HAIL...AND ISOLATED

TORNADOES.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 26030.





...HART

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