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WWUS20 KWNS 280406

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 26

NWS STORM PREDICTION CENTER NORMAN OK

1005 PM CST SUN FEB 27 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND WESTERN ARKANSAS

       EASTERN OKLAHOMA

       FAR NORTHEAST TEXAS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1005 PM UNTIL

400 AM CST.



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 105 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES WEST NORTHWEST OF

HARRISON ARKANSAS TO 35 MILES SOUTH SOUTHWEST OF DE QUEEN

ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 24...WW 25...



DISCUSSION...TSTMS CONTINUE TO INCREASE IN VICINITY OF THE

DRYLINE/PACIFIC COLD FRONT FROM ECNTRL OK INTO FAR NERN TX.  EXPECT

A QLCS WILL EVOLVE THROUGH EARLY MORNING MONDAY AND MATURE OVER

WRN/CNTRL AR.  ALTHOUGH THE STORM MODE MAY LARGELY BE LINEAR WITH

EMBEDDED BOWS/LEWPS GIVING CORRIDORS OF HIGH WINDS...POTENTIAL

EXISTS FOR A FEW TORNADOES AS 0-1KM SRH REMAINS QUITE HIGH.



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

450. MEAN STORM MOTION VECTOR 25040.





...RACY/HART

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