Tornado event of April 9, 2015





  • Fairdale EF-4 tornado -- updated survey
    • Winds approximately 180-200 mph
    • Width of approximately 1/2 mile
    • Two fatalities and 32 injuries
    • Continuous damage path on the ground for more than 30 miles
    • First EF-4 in the NWS Chicago area in 25 years
    • Strongest tornado ever recorded in Ogle and DeKalb Counties (records date to 1950)
    • A large sign from the destroyed Grubsteakers restaurant was found in a field 37 miles away
    • Two confirmed satellite tornadoes occurred adjacent to and simultaneous with the main tornado
    • "Swirling" evident in damage pattern and aerial photographs
    • Amazing video here and here
    • Before and after of the town of Fairdale: here and here


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