Thunderstorms produced large hail and damaging winds at several locations in southeast South Dakota, mostly near Interstate 90, during the late afternoon and early evening of July 10th. The storms also produced heavy rain and flash flooding in Mitchell, and in the Platte area of Charles Mix County.

Hail in AURORA, SOUTH DAKOTA
From 10-JUL-10 18:14:00 to 10-JUL-10 18:14:00 (CST-6)
Location: WHITE LAKE
Magnitude: 1.75 
Property damage: 0.00K
Reported by: COOP Observer

Large hail caused an unknown amount of crop damage.

Hail in AURORA, SOUTH DAKOTA
From 10-JUL-10 18:15:00 to 10-JUL-10 18:15:00 (CST-6)
Location: WHITE LAKE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in DAVISON, SOUTH DAKOTA
From 10-JUL-10 18:40:00 to 10-JUL-10 18:40:00 (CST-6)
Location: BETTS
Magnitude: 56.00 EG
Property damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage, including several branches blown down. The damaging winds were accompanied by large hail, with an unknown amount of crop damage caused by the winds and hail.

Hail in DAVISON, SOUTH DAKOTA
From 10-JUL-10 18:40:00 to 10-JUL-10 18:40:00 (CST-6)
Location: BETTS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail, combined with damaging winds, caused an unknown amount of crop damage.

Thunderstorm Wind in DAVISON, SOUTH DAKOTA
From 10-JUL-10 19:08:00 to 10-JUL-10 19:08:00 (CST-6)
Location: MITCHELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage, including several branches blown down.

Thunderstorm Wind in DAVISON, SOUTH DAKOTA
From 10-JUL-10 19:10:00 to 10-JUL-10 19:10:00 (CST-6)
Location: MITCHELL
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds caused tree damage and blew down power lines, causing a power outage on the north side of Mitchell.

Thunderstorm Wind in HANSON, SOUTH DAKOTA
From 10-JUL-10 19:15:00 to 10-JUL-10 19:15:00 (CST-6)
Location: RIVERSIDE
Magnitude: 52.00 EG
Property damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage, including several branches blown down. The winds also caused an unknown amount of damage to corn crops in the area.

Flash Flood in DAVISON, SOUTH DAKOTA
From 10-JUL-10 19:15:00 to 10-JUL-10 20:15:00 (CST-6)
Location: MITCHELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain caused flash flooding of several streets in Mitchell, including Sanborn and Rowley Streets.

Hail in KINGSBURY, SOUTH DAKOTA
From 10-JUL-10 19:25:00 to 10-JUL-10 19:25:00 (CST-6)
Location: ARLINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Large hail stripped a few leaves off trees.

Hail in CHARLES MIX, SOUTH DAKOTA
From 10-JUL-10 19:29:00 to 10-JUL-10 19:29:00 (CST-6)
Location: PLATTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large hail was accompanied by wind gusts up to 50 mph. The wind driven hail caused an unknown amount of crop damage.

Flash Flood in CHARLES MIX, SOUTH DAKOTA
From 10-JUL-10 20:20:00 to 10-JUL-10 21:15:00 (CST-6)
Location: PLATTE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rainfall, measured at 4.60 inches, flooded several rural roads, washing out at least one.

Hail in BRULE, SOUTH DAKOTA
From 10-JUL-10 16:18:00 to 10-JUL-10 16:18:00 (CST-6)
Location: CHAMBERLAIN ARPT
Magnitude: 1.75 
Reported by: Emergency Manager

Large hail, measured at golf ball size, caused an unknown amount of damage to vehicles and crops. Most of the suspected crop damage was to corn.

Hail in BRULE, SOUTH DAKOTA
From 10-JUL-10 16:27:00 to 10-JUL-10 16:27:00 (CST-6)
Location: (9V9)CHAMBERLAIN ARP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BRULE, SOUTH DAKOTA
From 10-JUL-10 17:10:00 to 10-JUL-10 17:10:00 (CST-6)
Location: CHAMBERLAIN ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Large hail was accompanied by wind gusts to 40 mph and rainfall of 1.90 inches.

Thunderstorm Wind in BRULE, SOUTH DAKOTA
From 10-JUL-10 17:28:00 to 10-JUL-10 17:28:00 (CST-6)
Location: KIMBALL
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in AURORA, SOUTH DAKOTA
From 10-JUL-10 17:45:00 to 10-JUL-10 17:45:00 (CST-6)
Location: WHITE LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in AURORA, SOUTH DAKOTA
From 10-JUL-10 18:12:00 to 10-JUL-10 18:12:00 (CST-6)
Location: WHITE LAKE
Magnitude: 2.00 
Property damage: 0.00K
Reported by: COOP Observer

Large hail caused an unknown amount of damage to vehicles and corn crops.

Hail in BEADLE, SOUTH DAKOTA
From 10-JUL-10 18:13:00 to 10-JUL-10 18:13:00 (CST-6)
Location: CAVOUR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LAKE, SOUTH DAKOTA
From 10-JUL-10 19:45:00 to 10-JUL-10 19:45:00 (CST-6)
Location: ORLAND
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down several branches, some up to 5 inches in diameter.