61°

Tornado warning just issued for portions of Boone and Winnebago counties as dangerous derecho approaches… Valid until 3:45 pm He said the weather service had been swamped by calls and he could not immediately be more specific. Tornado warning just issued for portions of Boone and Winnebago counties as dangerous derecho approaches… Valid until 3:45 pm - BULLETIN – EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE 243 PM CDT MON AUG 10 2020 THE NATIONAL WEATHER … Rochelle

De Kalb

While most derecho damage is from straight-line winds, small tornadoes are often embedded in the storms. She’s a graduate of the University of Missouri School of Journalism and joined the team at 13 WREX in 2014. As rain-cooled thunderstorm downdrafts strike the surface, they spread out in the direction of the storm movement forming a gust front, generating wind gusts in excess of 60 mph and sometimes in excess of 100 mph. Rockford 8:29 pm Thunderstorm development requires warmth, moisture, instability and lift and bow echoes can form when the winds aloft are strong with little change of direction with height. | Audrey is the news director at 13 WREX. 60° Tornado warning Boone county and Winnebago county Illinois. 61° Freeport Dear Tom,What are the atmospheric conditions that produce derechos?John Podulka, Wolverine, MIDear John,A derecho develops from an organized cluster of thunderstorms that evolves into a bow echo. 60° All content © 2000 - 2020, WREX Television, Inc. All rights reserved. WINNEBAGO COUNTY (WREX) — All tornado and thunderstorm warnings issued for across the area have expired. 5:13 pm

60° Rockford Southwest Rockford: Winnebago county; 2:37 p.m.; rating, EF-0; peak winds, 75 mph; length, 1.5 miles; width, 50 yards. 59° 7:26 am Xtreme Weather Loading... Unsubscribe from Xtreme Weather? 61° WINNEBAGO COUNTY (WLUK) – FOX 11 viewers are sending us photos and videos through our Chime In feature of a large waterspout over Lake Winnebago. WINNEBAGO COUNTY (WREX) — All tornado and thunderstorm warnings issued for across the area have expired. The storm complex must travel at least 250 miles to be called a derecho and the length of the line can range from about 50 to several hundred miles. Sterling/Rockfalls On Friday, the Illinois Department of Public Health (IDPH) said Winnebago County was one of 13 Illinois counties that were at a “warning level” of COVID-19 activity. Sterling/Rockfalls © 1998 - 2020 Nexstar Broadcasting, Inc. | All Rights Reserved. 55° Tornado Warning Issued for Boone, Winnebago Counties A tornado warning has been issued for Winnebago and Boone counties in northern Illinois until 3:45 p.m. 10:31 pm Southwestern Winnebago County in north central Illinois... * Until 645 PM CDT. Janesville