Denison, IA 08-21-2017

Hail Map Denison, IA 08-21-2017

Doppler radar detected Quarter size hail near Denison, IA, Algona, IA and Audubon, IA on August 21, 2017. This hail storm was traveling ENE at 32 mph and the entire storm produced hail for roughly 1 hour(s). There were 2 spotter report(s) with reported max hail size of 1″ and an average hail size of 1″. We estimate that 33,031 buildings were in the affected area and the probability of hail DHI detected was significant. Based on this information, you can expect potential damage to fruit, crops and vegetation, but not much else (Impact Rating 1).

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Watertown, SD 08-21-2017

Hail Map Watertown, SD 08-21-2017

Doppler radar detected Half Dollar size hail near Watertown, SD, Storm Lake, IA and Denison, IA on August 21, 2017. This hail storm was traveling SE at 7 mph and the entire storm produced hail for roughly 4 hour(s). There were 4 spotter report(s) with reported max hail size of 1.75″ and an average hail size of 1.3″. We estimate that 51,301 buildings were in the affected area and the probability of hail DHI detected was significant. Based on this information, you can expect to see minor damage to vehicles, tile roofs and crops in isolated areas (Impact Rating 2).

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Yankton, SD 08-21-2017

Hail Map Yankton, SD 08-21-2017

Doppler radar detected Quarter size hail near Yankton, SD, Storm Lake, IA and Denison, IA on August 21, 2017. This hail storm was traveling ESE at 5 mph and the entire storm produced hail for roughly 7 hour(s). There were 6 spotter report(s) with reported max hail size of 1″ and an average hail size of 1″. We estimate that 42,862 buildings were in the affected area and the probability of hail DHI detected was significant. Based on this information, you can expect to see minor damage to vehicles, tile roofs and crops in isolated areas (Impact Rating 2).

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Sioux City, IA 07-03-2017

Hail Map Sioux City, IA 07-03-2017

Doppler radar detected Quarter size hail near Sioux City, IA, Hartington, NE and Ida Grove, IA on July 3, 2017. This hail storm was traveling SE at 19 mph and the entire storm produced hail for roughly 2 hour(s). There were 3 spotter report(s) with reported max hail size of 1″ and an average hail size of 1″. We estimate that 24,106 buildings were in the affected area and the probability of hail DHI detected was significant. Based on this information, you can expect to see minor damage to vehicles, tile roofs and crops in isolated areas (Impact Rating 2).

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Yankton, SD 04-16-2017

Hail Map Yankton, SD 04-16-2017

Doppler radar detected Half Dollar size hail near Yankton, SD, Vermillion, SD and West Point, NE on April 16, 2017. This hail storm was traveling ESE at 33 mph and the entire storm produced hail for roughly 4 hour(s). There were 24 spotter report(s) with reported max hail size of 2.75″ and an average hail size of 1.49″. We estimate that 21,931 buildings were in the affected area and the probability of hail DHI detected was significant. Based on this information, you can expect to find damaged crops, glass damage, automobile bodywork damage, as well as isolated roof damage (Impact Rating 3).

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