

472 

WWUS20 KWNS 200042

SEL0

SPC WW 200042

INZ000-MIZ000-OHZ000-200500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 290

NWS Storm Prediction Center Norman OK

845 PM EDT Sat Jun 19 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Indiana

  Southern Lower Michigan

  Northwest Ohio



* Effective this Saturday night and Sunday morning from 845 PM

  until 100 AM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Multiple clusters of strong to severe storms should

persist and potentially organize as they spread southeastward this

evening across northern Indiana into northwest Ohio.



The severe thunderstorm watch area is approximately along and 40

statute miles north and south of a line from 45 miles southwest of

South Bend IN to 65 miles east northeast of Fort Wayne 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 287...WW 286...WW

288...WW 289...



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

1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A

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

32025.



...Guyer

