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107 

WWUS20 KWNS 010024

SEL8

SPC WW 010024

MIZ000-LMZ000-010600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 378

NWS STORM PREDICTION CENTER NORMAN OK

825 PM EDT MON JUN 30 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL MICHIGAN

  LAKE MICHIGAN



* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 825 PM

  UNTIL 200 AM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST

NORTHWEST OF HOUGHTON LAKE MICHIGAN TO 15 MILES EAST SOUTHEAST OF

KALAMAZOO MICHIGAN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 375...WW 376...WW 377...



DISCUSSION...LINE OF STORMS WITH BOW ECHOES IS EXPECTED TO CONTINUE

THROUGH PARTS OF LOWER MI THIS EVENING WHERE THE ATMOSPHERE IS

MODERATELY UNSTABLE AND VERTICAL SHEAR TO 45 KT WILL SUPPORT

ORGANIZED STRUCTURES WITHIN THE LINE. DAMAGING WIND IS EXPECTED TO

BE THE MAIN THREAT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 26050.





...DIAL

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