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WWUS20 KWNS 021347

SEL9

SPC WW 021347

ARZ000-LAZ000-MOZ000-TXZ000-022000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 249

NWS STORM PREDICTION CENTER NORMAN OK

845 AM CDT FRI MAY 2 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND EASTERN ARKANSAS

       NORTHWEST LOUISIANA

       MISSOURI BOOTHEEL

       NORTHEAST TEXAS



EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 845 AM UNTIL 300

PM CDT.



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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 5 MILES SOUTH OF SHREVEPORT

LOUISIANA TO 30 MILES NORTHEAST OF WALNUT RIDGE ARKANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU9).



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 248...



DISCUSSION...LINE OF THUNDERSTORMS MOVING ACROSS AR HAS BEGUN

SHOWING STRONGER INDICATIONS OF SUPERCELL CHARACTERISTICS IN THE

PAST HOUR.  ALSO...NEWLY INTENSIFIED CELL IN NORTHEAST TX HAS

PRODUCED A TORNADO.  PRESENT INDICATIONS ARE THAT STORMS WILL

MAINTAIN OR INCREASE IN COVERAGE/INTENSITY THROUGH THE EARLY

AFTERNOON WITH A RISK OF SUPERCELLS CAPABLE OF LARGE HAIL...DAMAGING

WINDS...AND A FEW TORNADOES.



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

500. MEAN STORM MOTION VECTOR 25035.





...HART

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