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WWUS20 KWNS 142030

SEL0

SPC WW 142030

INZ000-MIZ000-LMZ000-150200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 330

NWS Storm Prediction Center Norman OK

435 PM EDT Wed Jun 14 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Indiana

  Southwest Lower Michigan

  Lake Michigan



* Effective this Wednesday afternoon and evening from 435 PM

  until 1000 PM EDT.



* Primary threats include...

  Isolated damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...A cluster of thunderstorms will move from northeast

Illinois into the watch area this afternoon, posing a risk of

damaging wind gusts and hail.



The severe thunderstorm watch area is approximately along and 35

statute miles east and west of a line from 5 miles east of Benton

Harbor MI to 70 miles south southeast of Valparaiso IN. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



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 328...WW 329...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

24030.



...Hart

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