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WWUS20 KWNS 280341

SEL5

SPC WW 280341

ILZ000-MOZ000-281000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 25

NWS STORM PREDICTION CENTER NORMAN OK

940 PM CST SUN FEB 27 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND WEST CENTRAL ILLINOIS

       EAST CENTRAL AND SOUTHEAST MISSOURI



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 940 PM UNTIL

400 AM CST.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 10 MILES WEST OF FORT

LEONARD WOOD MISSOURI TO 45 MILES EAST OF MOUNT VERNON ILLINOIS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 23...WW 24...



DISCUSSION...LINES/CLUSTERS OF SEVERE STORMS ARE ORGANIZING ACROSS

CENTRAL AND SOUTHWEST MO.  THESE STORMS ARE EXPECTED TO TRACK

RAPIDLY EASTWARD ACROSS THE WATCH AREA THROUGH THE EARLY MORNING

HOURS.  SUPERCELLS CAPABLE OF TORNADOES /INCLUDING STRONG TORNADOES/

ARE A CONCERN.  AN EVENTUAL EVOLUTION INTO BOWING SEGMENTS COULD

ALSO INCREASE THE RISK OF WIDESPREAD DAMAGING WINDS.



AVIATION...TORNADOES AND 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

450. MEAN STORM MOTION VECTOR 25040.





...HART

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