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840 

WWUS20 KWNS 271744

SEL7

SPC WW 271744

INZ000-KYZ000-MDZ000-OHZ000-PAZ000-WVZ000-LEZ000-280100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 447

NWS STORM PREDICTION CENTER NORMAN OK

145 PM EDT SUN JUL 27 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EAST CENTRAL INDIANA

  NORTHEAST KENTUCKY

  EXTREME WESTERN MARYLAND

  OHIO

  WESTERN PENNSYLVANIA

  NORTHERN WEST VIRGINIA

  LAKE ERIE



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 145 PM UNTIL

  900 PM EDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS

    TO 2 INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTHWEST OF DAYTON

OHIO TO 15 MILES EAST NORTHEAST OF LATROBE PENNSYLVANIA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU7).



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 445...



DISCUSSION...SCATTERED THUNDERSTORMS WILL CONTINUE TO INTENSIFY

ACROSS MUCH OF OH THIS AFTERNOON AND SPREAD EASTWARD ACROSS THE

WATCH.  STRONG INSTABILITY AND FAVORABLE SHEAR WILL PROMOTE

SUPERCELL STORMS CAPABLE OF LARGE HAIL AND DAMAGING WINDS.  ISOLATED

TORNADOES ARE POSSIBLE IN THE STRONGEST CELLS.



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 28030.





...HART

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