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WWUS20 KWNS 041854

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 218

NWS STORM PREDICTION CENTER NORMAN OK

255 PM EDT WED JUN 4 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EXTREME SOUTHEAST INDIANA

  NORTHERN AND EASTERN KENTUCKY

  SOUTHERN OHIO

  SOUTHWEST VIRGINIA

  WESTERN WEST VIRGINIA



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 255 PM

  UNTIL 900 PM EDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE

MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHWEST OF

HUNTINGTON WEST VIRGINIA TO 30 MILES SOUTH OF LONDON KENTUCKY.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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...WHILE INITIAL ROUND OF STRONG TO ISOLD SVR STORMS WAS

PROGRESSING INTO WV ALONG WARM FRONTAL SEGMENT...MORE NUMEROUS

STRONG TO SVR STORMS APPEAR LIKELY TO INCREASE IN THE WAKE OF THIS

INITIAL ROUND. THIS ACTIVITY SHOULD BE SPURRED BY LARGE SCALE

FORCING FOR ASCENT ASSOCIATED WITH A SHORTWAVE TROUGH TRANSLATING

EAST ACROSS OH AND ASSOCIATED SFC LOW/FRONTAL WAVE. MODERATELY

UNSTABLE AIRMASS WILL FUEL INTENSE UPDRAFTS WHERE DEEP-LAYER

VERTICAL SHEAR WILL SUPPORT SUPERCELLS. DISCRETE CELLS WILL EXIST IN

A MARGINALLY SUPPORTIVE LOW LEVEL SHEAR REGIME FOR MESOCYCLONES AND

PERHAPS A COUPLE OF TORNADOES.



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

500. MEAN STORM MOTION VECTOR 28025.





...CARBIN

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