SEL8
SPC WW 022302
ARZ000-LAZ000-OKZ000-TXZ000-030500-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 228
NWS STORM PREDICTION CENTER NORMAN OK
605 PM CDT SAT MAY 2 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHERN ARKANSAS
NORTHERN LOUISIANA
SOUTHEAST OKLAHOMA
NORTHEAST AND NORTH CENTRAL TEXAS
EFFECTIVE THIS SATURDAY NIGHT FROM 605 PM UNTIL MIDNIGHT CDT.
TORNADOES...HAIL TO 3 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 70 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
FORT WORTH TEXAS TO 50 MILES SOUTHEAST OF MONTICELLO ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).
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 225...WW 226...WW 227...
DISCUSSION...MULTIPLE CLUSTERS OF SEVERE STORMS ARE MOVING ACROSS
NORTHEAST TX AND INTO SOUTHERN AR/NORTHERN LA THIS EVENING. VERY
UNSTABLE AIRMASS AND SUFFICIENT VERTICAL SHEAR...COUPLED WITH
APPROACHING STRONG UPPER TROUGH WILL POSE A CONTINUED RISK OF SEVERE
STORMS FOR SEVERAL MORE HOURS. BOWS/LEWPS AND ISOLATED SUPERCELLS
MAY RESULT IN TORNADOES...DAMAGING WINDS...AND HAIL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25030.
...HART
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