

155 

WWUS20 KWNS 141738

SEL8

SPC WW 141738

IAZ000-ILZ000-INZ000-MOZ000-WIZ000-LMZ000-150100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 328

NWS Storm Prediction Center Norman OK

1240 PM CDT Wed Jun 14 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Iowa

  Northern Illinois

  Northwest Indiana

  Northeast Missouri

  Central and Eastern Wisconsin

  Lake Michigan



* Effective this Wednesday afternoon and evening from 1240 PM

  until 800 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Scattered thunderstorms will develop and move across the

watch area through the afternoon and early evening.  The strongest

cells will be capable of large hail and damaging winds.



The severe thunderstorm watch area is approximately along and 70

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

Rhinelander WI to 50 miles east southeast of Peoria IL. 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.



&&



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

