The National Weather Service issued a Severe Thunderstorm Warning for the Tri-Cities area, and the storm that barreled through around 5:30 p.m. was strong enough to take down trees and power lines.
About 20 minutes earlier, the NWS-C issued a Tornado Warning for Southern Kane County, when tornado was spotted around Earlville at 4:55 p.m. Monday, June 24, moving east at 65 mph.
North Aurora activated its sirens at about 5:09 p.m.
The warning from the National Weather Service:
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN DE KALB COUNTY IN NORTH CENTRAL ILLINOIS... SOUTHWESTERN KANE COUNTY IN NORTHEAST ILLINOIS... NORTHERN KENDALL COUNTY IN NORTHEAST ILLINOIS... NORTHEASTERN LA SALLE COUNTY IN NORTH CENTRAL ILLINOIS... * UNTIL 530 PM CDT *
AT 455 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR EARLVILLE...AND MOVING EAST AT 65 MPH. HAZARD...TORNADO. SOURCE...RADAR INDICATED ROTATION. IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR... SOMONAUK AROUND 505 PM CDT. SANDWICH AROUND 510 PM CDT. PLANO AND LITTLE ROCK AROUND 515 PM CDT. YORKVILLE AND SUGAR GROVE AROUND 520 PM CDT. I-88 BETWEEN MILE MARKERS 112 AND 115. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
