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000 

WWUS20 KWNS 252334

SEL6

SPC WW 252334

ARZ000-ILZ000-INZ000-KYZ000-MOZ000-TNZ000-260700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 366

NWS STORM PREDICTION CENTER NORMAN OK

635 PM CDT SUN MAY 25 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN ARKANSAS

       SOUTHERN ILLINOIS

       FAR SOUTHWEST INDIANA

       WESTERN KENTUCKY

       SOUTHEAST MISSOURI

       NORTHWEST TENNESSEE



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 635 PM UNTIL

200 AM CDT.



HAIL TO 1.5 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 115

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF

CARBONDALE ILLINOIS TO 35 MILES SOUTH SOUTHWEST OF JONESBORO

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 358...WW 359...WW

360...WW 361...WW 363...WW 362...WW 364...WW 365...



DISCUSSION...CLUSTERS OF STRONG TO SVR STORMS EXPECTED TO CONTINUE

MOVING/DEVELOPING GENERALLY E FROM MCV-INDUCED CLUSTER NOW IN SW

MO/NW AR.  OTHER MORE DISCRETE STORMS MAY CONTINUE TO FORM NEAR

NW-SE ORIENTED WARM FRONT THAT ATTM IS LOCATED ROUGHLY ALONG THE

MI-IL BORDER FROM STL TO CGI.  LOCALLY DMGG WIND WILL BE PRIMARY SVR

THREAT WITH MCV-INDUCED STORMS...WHILE SVR HAIL/WIND AND POSSIBLY A

TORNADO OR TWO WILL BE POSSIBLE WITH STORMS NEAR WARM FRONT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28020.





...CORFIDI

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