Black Hawk, SD 08-15-2017

Hail Map Black Hawk, SD 08-15-2017

Doppler radar detected Golf Ball size hail near Black Hawk, SD, Box Elder, SD and Piedmont, SD on August 15, 2017. This hail storm was traveling SE at 11 mph and the entire storm produced hail for roughly 8 hour(s). There were 22 spotter report(s) with reported max hail size of 2.75" and an average hail size of 1.77". We estimate that 25,253 buildings were in the affected area and the probability 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.

BUY PREMIUM MAP
HAIL VOLUME + ANIMATED


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22 spotters reported up to 2.75" hail hitting the ground.
Hail Size
Avg 1.77"
Max 2.75"
Hail Volume (DHI)
Avg 4.23
Max 9.3

Impact Scale

4

Population: 51,116 | Housing Units: 25,253 | Duration: 8 Hours