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798 

WWUS20 KWNS 271741

SEL6

SPC WW 271741

INZ000-MIZ000-OHZ000-LEZ000-LHZ000-LMZ000-280100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 446

NWS STORM PREDICTION CENTER NORMAN OK

140 PM EDT SUN JUL 27 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN INDIANA

  MICHIGAN

  NORTHWESTERN OHIO

  LAKE ERIE

  LAKE HURON

  LAKE MICHIGAN



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 140 PM UNTIL

  900 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHWEST OF

ALPENA MICHIGAN TO 25 MILES SOUTH SOUTHWEST OF FORT WAYNE

INDIANA.  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 445...



DISCUSSION...STORMS ARE EXPECTED TO INCREASE IN COVERAGE AND BECOME

CAPABLE OF PRODUCING MAINLY LARGE HAIL AND ISOLATED DAMAGING WIND

GUSTS AS FORCING FOR ASCENT ATTENDING A SEWD MOVING SHORTWAVE TROUGH

INTERACTS WITH THE DESTABILIZING BOUNDARY LAYER.



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 27035.





...DIAL

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