Strong elevated warm air advection along with moderate instability brought many severe thunderstorms to northeast South Dakota. Large hail up to the size of golf balls and strong winds over 60 mph caused some damage.

Hail in FAULK, SOUTH DAKOTA
From 20-SEP-07 03:00:00 to 20-SEP-07 03:00:00 (CST-6)
Location: SENECA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FAULK, SOUTH DAKOTA
From 20-SEP-07 03:38:00 to 20-SEP-07 03:38:00 (CST-6)
Location: WECOTA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SPINK, SOUTH DAKOTA
From 20-SEP-07 03:52:00 to 20-SEP-07 03:52:00 (CST-6)
Location: FRANKFORT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FAULK, SOUTH DAKOTA
From 20-SEP-07 03:55:00 to 20-SEP-07 03:55:00 (CST-6)
Location: WECOTA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLARK, SOUTH DAKOTA
From 20-SEP-07 05:00:00 to 20-SEP-07 05:00:00 (CST-6)
Location: ELROD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CODINGTON, SOUTH DAKOTA
From 20-SEP-07 05:00:00 to 20-SEP-07 05:00:00 (CST-6)
Location: GROVER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DAY, SOUTH DAKOTA
From 20-SEP-07 05:00:00 to 20-SEP-07 05:00:00 (CST-6)
Location: LILY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DAY, SOUTH DAKOTA
From 20-SEP-07 05:20:00 to 20-SEP-07 05:20:00 (CST-6)
Location: LILY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HAMLIN, SOUTH DAKOTA
From 20-SEP-07 05:50:00 to 20-SEP-07 05:50:00 (CST-6)
Location: CASTLEWOOD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in GRANT, SOUTH DAKOTA
From 20-SEP-07 09:21:00 to 20-SEP-07 09:21:00 (CST-6)
Location: MILBANK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in DEUEL, SOUTH DAKOTA
From 20-SEP-07 06:35:00 to 20-SEP-07 06:35:00 (CST-6)
Location: BRANDT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Large tree branches were broken off along Highway 15.

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 20-SEP-07 02:42:00 to 20-SEP-07 02:42:00 (CST-6)
Location: LILY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in DEUEL, SOUTH DAKOTA
From 20-SEP-07 06:30:00 to 20-SEP-07 06:30:00 (CST-6)
Location: TORONTO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Many branches were downed by the strong winds.

Hail in EDMUNDS, SOUTH DAKOTA
From 20-SEP-07 02:03:00 to 20-SEP-07 02:03:00 (CST-6)
Location: MINA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HYDE, SOUTH DAKOTA
From 20-SEP-07 02:45:00 to 20-SEP-07 02:45:00 (CST-6)
Location: HIGHMORE ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DEUEL, SOUTH DAKOTA
From 20-SEP-07 06:30:00 to 20-SEP-07 06:30:00 (CST-6)
Location: TORONTO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public