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WWUS20 KWNS 201749

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SPC WW 201749

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 190

NWS STORM PREDICTION CENTER NORMAN OK

1245 PM CDT MON MAY 20 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTHEASTERN KANSAS

  WESTERN AND CENTRAL MISSOURI



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL

  1000 PM 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 2.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF

COLUMBIA MISSOURI TO 45 MILES WEST SOUTHWEST OF JOPLIN MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU0).



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...



DISCUSSION...SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG A

SURFACE COLD FRONT AND REMNANT OUTFLOW BOUNDARY ACROSS THE WATCH

AREA DURING THE NEXT FEW HOURS...BEFORE CONGEALING INTO ONE OR MORE

ORGANIZED CLUSTERS LATER THIS AFTERNOON.  BEFORE UPSCALE GROWTH

OCCURS...A FEW SUPERCELLS ARE POSSIBLE...ACCOMPANIED BY A RISK FOR

TORNADOES...IN ADDITION TO LARGE HAIL.  THEREAFTER...DAMAGING WIND

GUSTS MAY BECOME THE MORE PROMINENT THREAT.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24040.





...KERR

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