

655 

WWUS20 KWNS 101552

SEL5

SPC WW 101552

INZ000-KYZ000-MIZ000-OHZ000-102200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 275

NWS Storm Prediction Center Norman OK

1155 AM EDT Wed Jun 10 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Much of the eastern half of Indiana

  Extreme northern Kentucky

  Southern Lower Michigan

  Northwestern Ohio



* Effective this Wednesday morning and evening from 1155 AM until

  600 PM EDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph likely

  Scattered large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Thunderstorm development is expected soon across Indiana,

and storms will spread northeastward and eastward through the

afternoon.  The storm environment favors a mix of supercells and

bowing segments with a primary threat of damaging winds, though a

tornado or two and isolated large hail will also be possible.



The severe thunderstorm watch area is approximately along and 50

statute miles east and west of a line from 75 miles north of Fort

Wayne IN to 10 miles west of Louisville KY. For a complete depiction

of the watch see the associated watch outline update (WOUS64 KWNS

WOU5).



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 274...



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 550. Mean storm motion vector

23045.



...Thompson

