

000 

WWUS20 KWNS 260229

SEL0

SPC WW 260229

ILZ000-MOZ000-260700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 370

NWS STORM PREDICTION CENTER NORMAN OK

930 PM CDT SUN MAY 25 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL ILLINOIS

       EAST CENTRAL MISSOURI



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 930 PM UNTIL

200 AM CDT.



HAIL TO 1 INCH 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 105

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH

NORTHWEST OF SALEM ILLINOIS TO 30 MILES SOUTH OF SCOTT AFB

ILLINOIS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

SEVERE THUNDERSTORM WATCH NUMBER 364. WATCH NUMBER 364 WILL NOT

BE IN EFFECT AFTER 930 PM CDT. CONTINUE...WW 362...WW 365...WW

366...WW 367...WW 368...WW 369...



DISCUSSION...STRONG TO POSSIBLY SVR TSTMS MAY PERSIST THIS EVENING

AS MCV IN E CNTRL MO OVERSPREADS SLOWLY-MOVING WARM FRONT NOW

LOCATED ROUGHLY PARALLEL TO AND JUST E OF THE MS RVR IN WRN IL.

MAIN SVR THREAT SHOULD BE LCLY DMGG WIND FROM WET MICROBURSTS...IN

ADDITION TO MARGINALLY SVR HAIL AND PERHAPS AN ISOLD TORNADO.



AVIATION...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 500. MEAN STORM MOTION

VECTOR 27020.





...CORFIDI

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