

347 

WWUS20 KWNS 150454

SEL0

SPC WW 150454

ILZ000-150900-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 380

NWS Storm Prediction Center Norman OK

1155 PM CDT Wed Jul 14 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Illinois



* Effective this Wednesday night and Thursday morning from 1155

  PM until 400 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph possible

  A tornado or two possible



SUMMARY...A well-organized cluster of storms will continue to move

eastward across northern Illinois during the early part of the

overnight. Damaging wind gusts are expected to be the primary

hazard.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 35 miles southwest of

Rockford IL to 40 miles northeast of Marseilles IL. 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 379...



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

1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

27040.



...Guyer

