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385 

WWUS20 KWNS 260709

SEL1

SPC WW 260709

ILZ000-MOZ000-261400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 371

NWS STORM PREDICTION CENTER NORMAN OK

210 AM CDT WED JUN 26 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WEST CENTRAL ILLINOIS

  NORTHEAST MISSOURI



* EFFECTIVE THIS WEDNESDAY MORNING FROM 210 AM UNTIL 900 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST

SOUTHWEST OF QUINCY ILLINOIS TO 55 MILES EAST NORTHEAST OF ALTON

ILLINOIS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 368...WW 369...WW 370...



DISCUSSION...A CLUSTER OF THUNDERSTORMS OVER NORTHERN MO IS SLOWLY

ORGANIZING.  THESE STORMS APPEAR TO BE IN A FAVORABLE LOCATION FOR

FURTHER INTENSIFICATION AND THE RISK FOR ACCELERATION EASTWARD

OVERNIGHT.  LOCALLY DAMAGING WINDS AND HAIL WILL BE POSSIBLE IF THIS

SCENARIO OCCURS.



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 500. MEAN STORM

MOTION VECTOR 28035.





...HART

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