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WWUS20 KWNS 091805

SEL7

SPC WW 091805

ARZ000-LAZ000-TXZ000-092100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 287

NWS STORM PREDICTION CENTER NORMAN OK

105 PM CDT WED JUN 9 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST ARKANSAS

       NORTHWEST LOUISIANA

       NORTHEAST TEXAS



EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 105 PM UNTIL 400 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 50 STATUTE

MILES EITHER SIDE OF A LINE FROM 45 MILES NORTHWEST OF TEXARKANA

ARKANSAS TO 15 MILES EAST SOUTHEAST OF NATCHITOCHES LOUISIANA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 286...



DISCUSSION...NEWD MOVING BOW ECHO HAS EMANATED FROM UPPER LOW

LOCATED IN CENTRAL TX. AS THIS SYSTEM CONTINUES TO MOVE

NEWD...DAMAGING WINDS WILL BE THE MAIN THREAT. ALSO...GIVEN THE

BACKED LOW LEVEL WINDS AND 30 KT SWLY WINDS IN THE MID LEVELS...AN

ISOLATED TORNADO OR TWO IS POSSIBLE ALONG THE LEADING EDGE OF LINE

AND IN ISOLATED STORMS AHEAD OF LINE.



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 550.

MEAN STORM MOTION VECTOR 22030.





...IMY

