

540 

WWUS20 KWNS 221932

SEL6

SPC WW 221932

ILZ000-KYZ000-MOZ000-TNZ000-230300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 176

NWS STORM PREDICTION CENTER NORMAN OK

235 PM CDT THU MAY 22 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EXTREME SOUTHERN ILLINOIS

  WESTERN KENTUCKY

  SOUTHEAST MISSOURI

  NORTHERN AND MIDDLE TENNESSEE



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 235 PM UNTIL

  1000 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH

SOUTHWEST OF CAPE GIRARDEAU MISSOURI TO 10 MILES NORTH OF

KNOXVILLE TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 172...WW 173...WW

174...WW 175...



DISCUSSION...THUNDERSTORMS ARE BEGINNING TO FORM ALONG A WEAK

BOUNDARY EXTENDING ACROSS KY.  THESE STORMS WILL INTENSIFY AND BUILD

SOUTHEASTWARD ACROSS THE WATCH AREA THROUGH THE AFTERNOON AND EARLY

EVENING.  A VERY UNSTABLE AIRMASS AND SUFFICIENT WINDS ALOFT WILL

PROMOTE A RISK OF DAMAGING WINDS AND HAIL IN THE STRONGER CELLS.



AVIATION...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 500. MEAN STORM

MOTION VECTOR 29030.





...HART

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