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065 

WWUS20 KWNS 021835

SEL6

SPC WW 021835

ARZ000-ILZ000-KYZ000-MOZ000-TNZ000-030100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 246

NWS STORM PREDICTION CENTER NORMAN OK

135 PM CDT WED JUN 2 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF NORTHERN ARKANSAS

       SMALL PART OF SOUTHERN ILLINOIS

       WESTERN KENTUCKY

       PARTS OF SOUTHERN MISSOURI

       SMALL PART OF NORTHWEST TENNESSEE



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 135 PM UNTIL

800 PM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH

NORTHEAST OF BOWLING GREEN KENTUCKY TO 10 MILES NORTHWEST OF

HARRISON ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 245...



DISCUSSION...WITH A VERY UNSTABLE AND VIRTUALLY UNCAPPED AIR MASS

ACROSS THE WATCH AREA...THUNDERSTORMS ARE INCREASING RAPIDLY IN

INTENSITY AND NUMBER. WITH ONLY 20-30 KT OF SHEAR...PULSE SEVERE IS

PRIMARY THREAT INCLUDING LARGE HAIL AND DAMAGING DOWNBURST WINDS.



AVIATION...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 550. MEAN STORM

MOTION VECTOR 27015.





...HALES

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