

879 

WWUS20 KWNS 261847

SEL5

SPC WW 261847

ARZ000-LAZ000-OKZ000-TXZ000-270300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 215

NWS STORM PREDICTION CENTER NORMAN OK

145 PM CDT TUE APR 26 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND CENTRAL ARKANSAS

       NORTHERN LOUISIANA

       EXTREME SOUTHEAST OKLAHOMA

       NORTHEAST AND NORTH CENTRAL TEXAS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL

1000 PM CDT.



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



DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...

THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE

POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

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

TEXAS TO 60 MILES NORTHEAST OF EL DORADO ARKANSAS.  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 213...WW 214...



DISCUSSION...SEVERE THUNDERSTORMS ARE EXPECTED TO RAPIDLY DEVELOP

THIS AFTERNOON OVER NORTHEAST TX...SPREADING ACROSS THE WATCH AREA

THROUGH EARLY EVENING.  OTHER INTENSE STORMS WILL DEVELOP BY EARLY

EVENING OVER NORTHEAST TX AND ALSO SPREAD EASTWARD.  BOTH AREAS OF

SEVERE STORMS WILL LIKELY INCLUDE DISCRETE SUPERCELLS CAPABLE OF

VERY LARGE HAIL...DAMAGING WINDS...AND TORNADOES.  WIND FIELDS WILL

BE STRENGTHENING THROUGH THE EVENING...AND STORMS TRACKING NEAR THE

EXISTING BOUNDARY FROM TX INTO AR WILL HAVE ENHANCED SHEAR AND THE

RISK OF STRONG/LONG-LIVED TORNADOES.



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

SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

600. MEAN STORM MOTION VECTOR 25035.





...HART

