

736 

WWUS20 KWNS 291853

SEL3

SPC WW 291853

ARZ000-300200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 783

NWS STORM PREDICTION CENTER NORMAN OK

150 PM CDT THU OCT 29 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND PARTS OF CENTRAL ARKANSAS



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL

900 PM 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 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTH SOUTHWEST OF

HOT SPRINGS ARKANSAS TO 35 MILES NORTH NORTHEAST OF HOT SPRINGS

ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 781...WW 782...



DISCUSSION...THUNDERSTORMS ARE FORECAST TO INTENSIFY ACROSS PARTS OF

ARKANSAS THROUGH THE AFTERNOON AND INTO THE EVENING. WARM

FRONT...CURRENTLY ACROSS THE SRN PORTIONS OF THE STATE BUT LIFTING

GRADUALLY NWD...SHOULD ACT AS A FOCUS FOR GREATEST SEVERE STORM

POTENTIAL. INFLUX OF VERY MOIST AND UNSTABLE AIR FROM LA/TX WILL

FUEL STORM UPDRAFTS IN AN ENVIRONMENT CHARACTERIZED BY POTENT LOW

LEVEL SHEAR. ROTATING STORMS...CURRENTLY MOVING NWD FROM LA WILL

POSE A THREAT OF TORNADOES AS CELLS CROSS THE WARM FRONT. ADDITIONAL

STORMS ARE LIKELY TO MERGE INTO A SQUALL LINE AHEAD OF THE COLD

FRONT ADVANCING EWD FROM TX LATER TODAY. THIS ACTIVITY WILL POSE A

THREAT OF DAMAGING WINDS...AND PERHAPS A TORNADO.



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 500.

MEAN STORM MOTION VECTOR 20040.





...CARBIN

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