

285 

WWUS20 KWNS 171740

SEL5

SPC WW 171740

ILZ000-KYZ000-NCZ000-TNZ000-180200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 115

NWS STORM PREDICTION CENTER NORMAN OK

1240 PM CDT WED APR 17 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EXTREME SOUTHERN ILLINOIS

  WESTERN AND CENTRAL KENTUCKY

  FAR WESTERN NORTH CAROLINA

  MIDDLE AND EASTERN TENNESSEE



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1240 PM

  UNTIL 900 PM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  A FEW DAMAGING WIND GUSTS TO 60 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF

BOWLING GREEN KENTUCKY TO 20 MILES EAST OF CHATTANOOGA TENNESSEE.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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...CONTINUE...WW 113...WW 114...



DISCUSSION...STRONG THUNDERSTORM DEVELOPMENT IS EXPECTED TO CONTINUE

AND INCREASE IN COVERAGE THIS AFTERNOON NEAR A WEST SOUTHWESTWARD

ADVANCING OUTFLOW BOUNDARY ACROSS THE REGION.  THE ENVIRONMENT IS

CONDUCIVE TO LARGE HAIL IN STRONGER STORMS...WITH SOME RISK FOR

LOCALLY DAMAGING WIND GUSTS AS ACTIVITY CONTINUES INTO EARLY

EVENING.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27020.





...KERR

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