053
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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