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WWUS20 KWNS 010337

SEL1

SPC WW 010337

INZ000-MIZ000-LMZ000-010800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 381

NWS STORM PREDICTION CENTER NORMAN OK

1135 PM EDT MON JUN 30 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN INDIANA

  SOUTHERN MICHIGAN

  LAKE MICHIGAN



* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1135 PM

  UNTIL 400 AM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80

    MPH 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 45 MILES NORTHEAST OF

SOUTH BEND INDIANA TO 35 MILES EAST SOUTHEAST OF LAFAYETTE

INDIANA.  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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 376...WW 377...WW

378...WW 379...WW 380...



DISCUSSION...ORGANIZED LINE OF STORMS EMBEDDED WITHIN STRONG DEEP

LAYER WINDS AND VERTICAL SHEAR WILL CONTINUE TO POSE A THREAT FOR

DAMAGING WIND AS IT CONTINUES EWD THROUGH THE MODERATELY UNSTABLE

ENVIRONMENT ACROSS NRN INDIANA AND SRN MICHIGAN.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS.

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

VECTOR 29045.





...DIAL

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