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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 193

NWS STORM PREDICTION CENTER NORMAN OK

525 PM CDT MON MAY 20 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  CENTRAL ILLINOIS

  EAST CENTRAL AND NORTHEAST MISSOURI



* EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 525 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY

  SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL

    EVENTS TO 2 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EITHER SIDE OF A LINE FROM 95 MILES WEST OF SAINT LOUIS

MISSOURI TO 15 MILES EAST NORTHEAST OF SPRINGFIELD ILLINOIS.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 189...WW 190...WW

191...WW 192...



DISCUSSION...SUPERCELL COMPLEX NOW OVER CNTRL MO /ABOUT 40 E OF

SEDALIA/ IS EXPECTED TO CONTINUE ENEWD. SOME POTENTIAL WILL EXIST

FOR ADDITIONAL DEVELOPMENT AHEAD OF THE COMPLEX ALONG AND S OF

DIFFUSE W-E OUTFLOW BOUNDARY THAT SHOULD CONTINUE TO MOVE SLOWLY N

ACROSS NE MO/CNTRL IL...AND IS NOW APPROACHING THE QUINCY AREA.

FARTHER S...LONG-LIVED...DISCRETE SUPERCELL NOW NEAR ROLLA MO SHOULD

ALSO MOVE ENEWD. COMBINATION OF INCREASING LOW-LVL

MOISTURE...NOCTURNAL STRENGTHENING OF SSWLY LLJ...AND PRESENCE OF

EXISTING ROTATING STORMS SUGGEST THE POSSIBILITY FOR TORNADOES IN

ADDITION TO BOWING SEGMENTS WITH HIGH WIND AND LARGE HAIL.



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

550. MEAN STORM MOTION VECTOR 24035.





...CORFIDI

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