august

10augAll DayRockford (Winnebago/Boone Counties, IL) #2

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Start Time:  2:47 pm CDT

End Time:  3:05 pm CDT

Rating:  EF1

Estimated Peak Winds:  100 mph

Path length:  9.2 miles

Width:  300 yards

Fatalities:  0

Injuries:  0

County:  Winnebago, Boone

State:  Illinois

Start Lat/Lon:  42.2806 / -89.022

End Lat/Lon:  42.3692 / -88.8891


This tornado was associated with the same supercell thunderstorm that produced an initial brief EF-0 tornado immediately southwest of Rockford, but it has been determined these exist as two separate tracks. This tornado developed as the main line of thunderstorm caught up, and eventually merged with, the parent supercell with this path starting near Guilford Road just north of Rockford College before heading northeast. Significant tree damage, consistent with EF-1 wind speeds, occurred in a localized area immediately east of Rock Valley College west of North Perryville Road. The tornado continued northeast, crossing I-90/39, producing sporadic damage before lifting near Caledonia Road.


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