Info from NWS. Hoping any involved recover the loss quickly.


PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
350 PM CDT MON JUN 21 2021 /450 PM EDT MON JUN 21 2021/

...PRELIMINARY TORNADO DAMAGE RATING OF EF-3 WITH PEAK WIND
SPEEDS OF 140 MPH FOR NAPERVILLE TO WILLOW SPRINGS TORNADO...

AN NWS DAMAGE SURVEY TEAM CONTINUES TO SURVEY A TORNADO PATH THAT
STARTED NEAR NAPERVILLE AND ENDED NEAR WILLOW SPRINGS, ILLINOIS
DURING THE EVENING OF JUNE 20, 2021. SO FAR, THE TEAM HAS SURVEYED
DAMAGE IN NAPERVILLE AND WOODRIDGE, AND WILL CONTINUE EAST TOWARD
DARIEN, BURR RIDGE, AND WILLOW SPRINGS OVER THE NEXT FEW DAYS.
THE MAJORITY OF DAMAGE SURVEYED SO FAR IS CONSISTENT WITH WIND
SPEEDS CORRESPONDING TO THE EF-1 TO EF-2 RATINGS ON THE ENHANCED
FUJITA SCALE. HOWEVER, AT LEAST ONE POCKET OF DAMAGE CONSISTENT
WITH AN EF-3 RATING WITH PEAK WIND SPEEDS NEAR 140 MPH WAS FOUND
NEAR PRINCETON CIRCLE IN NAPERVILLE. THIS RATING IS PRELIMINARY.
ADDITIONAL INFORMATION ABOUT THE TORNADO PATH LENGTH AND WIDTH
WILL FOLLOW IN THE COMING DAYS AS SURVEYING CONTINUES.

Chicago Sunday Night

Wow!! Wizard of OZ stuff!!

That’s not Chicago. That’s Naperville. Western, pretty affluent suburb.

Tornado survey results:
Naperville-Woodridge, etc.:

Plainfield, IL:

South Haven, IN :  

Map Legend: