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WWUS20 KWNS 021335

SEL1

SPC WW 021335

MIZ000-LHZ000-LMZ000-LSZ000-022100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 461

NWS STORM PREDICTION CENTER NORMAN OK

940 AM EDT SUN AUG 2 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN LOWER MICHIGAN

  LAKE HURON

  LAKE MICHIGAN

  LAKE SUPERIOR



* EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 940 AM UNTIL

  500 PM EDT.



* 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



SUMMARY...SEVERAL ROUNDS OF STRONG TO SEVERE THUNDERSTORMS ARE

EXPECTED TO AFFECT NORTHERN LOWER MICHIGAN THIS MORNING THROUGH THIS

AFTERNOON.  STRONG WINDS ALOFT AND INCREASING INSTABILITY WILL POSE

A RISK OF DAMAGING WINDS AND HAIL IN THE STRONGER CELLS ACROSS THE

WATCH AREA.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES WEST

NORTHWEST OF TRAVERSE CITY MICHIGAN TO 30 MILES EAST OF ALPENA

MICHIGAN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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.



&&



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.





...HART

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