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063 

WWUS20 KWNS 060145

SEL2

SPC WW 060145

ILZ000-INZ000-KYZ000-060700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 542

NWS STORM PREDICTION CENTER NORMAN OK

845 PM CDT SAT OCT 5 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTHERN ILLINOIS

  SOUTHWEST INDIANA

  WESTERN KENTUCKY



* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 845 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST NORTHWEST OF

PADUCAH KENTUCKY TO 15 MILES SOUTHEAST OF OWENSBORO KENTUCKY.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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.



&&



DISCUSSION...STORMS ARE INCREASING OVER SERN MO AND FAR SRN IL

WITHIN A MOIST AND UNSTABLE ENVIRONMENT AHEAD OF AN ADVANCING COLD

FRONT MOVING ACROSS SERN MO.  PAH VAD PROFILE EXHIBITS A CLOCKWISE

TURNING HODOGRAPH ENHANCED BY BACKED NEAR-SURFACE WINDS NORTH OF AN

OUTFLOW BOUNDARY.  MODEL GUIDANCE INDICATES LOW LEVEL WINDS WILL

STRENGTHEN OVER THE NEXT FEW HOURS WITH POTENTIAL FOR ADDITIONAL

SUPERCELL DEVELOPMENT GENERATING A FEW POSSIBLE TORNADOES/STRONG

WIND GUSTS.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 23035.





...WEISS

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