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WWUS20 KWNS 030105

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 214

NWS STORM PREDICTION CENTER NORMAN OK

800 PM CDT WED MAY 2 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST ARKANSAS

       NORTHERN AND WESTERN LOUISIANA

       EXTREME SOUTHEAST OKLAHOMA

       CENTRAL AND EASTERN TEXAS



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 800 PM

UNTIL 300 AM CDT.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EITHER SIDE OF A LINE FROM 15 MILES WEST SOUTHWEST OF

CORSICANA TEXAS TO 30 MILES SOUTH SOUTHEAST OF EL DORADO

ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 210...WW 211...WW

212...WW 213...



DISCUSSION...N TX MCS APPEARS TO BE INFLUENCING LARGER SCALE

ENVIRONMENT DOWNSTREAM TOWARD THE ARKLATEX...WHERE AREA VWP AND

PROFILER DATA SHOW ENHANCED SLY LOW LEVEL AND WSWLY MID LEVEL FLOW

RELATIVE TO FORECASTS.  FWD VWP SHOWS 50 KT WSWLY REAR INFLOW JET

BETWEEN 1 AND 4 KM...SUGGESTING THAT STORMS WILL CONTINUE TO FORM ON

LEADING EDGE OF COLD POOL AS IT CONTINUES ENE TOWARD TYR/GGG/SHV.

COUPLED WITH RICH LOW LEVEL MOISTURE AND POTENTIAL FOR ISOLATED

STORMS TO FORM ALONG STALLED WSW/ENE BOUNDARY NEAR THE

ARKLATEX...POTENTIAL WILL EXIST FOR ISOLATED TORNADOES...IN ADDITION

TO FURTHER BOWING SEGMENTS WITH HIGH WIND.  TORNADO THREAT MAY ALSO

BE GREATER ALONG TRACK OF STORM CLUSTER NOW N OF AUS...AS THAT

FEATURE INTERACTS WITH SRN SIDE OF STALLING COLD POOL OUTFLOW

BOUNDARY N OF CLL.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24035.





...CORFIDI

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