2 Inch Hail Near Springfield, IL 04-20-2011


Doppler radar detected Half Dollar size hail near Springfield, IL, Florissant, MO and Ballwin, MO on April 20, 2011. This hail storm was traveling ENE at 62.61 mph and produced hail for roughly 5 hour(s). Spotters reported a max hail size of 2" and an average hail size of 1.38". We estimate that 89,732 buildings were in the affected area. There were 35 spotter report(s) and the volume of hail DHI detected was significant. Based on this information, you can expect to find widespread roof damage, broken glass and automobile bodywork damage in well populated areas.

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HAIL VOLUME + ANIMATED


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35 spotters reported up to 2" hail hitting the ground.
Hail Size
Avg 1.38"
Max 2"
Hail Volume (DHI)
Avg 4.1
Max 8.92

Impact Scale

4

Population: 159,588 | Housing Units: 89,732 | Duration: 5 Hours