Severe thunderstorms moved across northwestern South Dakota during the afternoon and early evening. Large hail and wind gusts to 80 mph were reported in Harding, Perkins, and northern Ziebach Counties.

Hail in ZIEBACH, SOUTH DAKOTA
From 18-JUL-08 18:15:00 to 18-JUL-08 18:15:00 (MST-7)
Location: GLAD VALLEY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PERKINS, SOUTH DAKOTA
From 18-JUL-08 18:35:00 to 18-JUL-08 18:35:00 (MST-7)
Location: ZEONA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in PERKINS, SOUTH DAKOTA
From 18-JUL-08 18:35:00 to 18-JUL-08 18:35:00 (MST-7)
Location: ZEONA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 15:35:00 to 18-JUL-08 15:35:00 (MST-7)
Location: LUDLOW
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 15:55:00 to 18-JUL-08 15:55:00 (MST-7)
Location: CAMP CROOK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PERKINS, SOUTH DAKOTA
From 18-JUL-08 16:01:00 to 18-JUL-08 16:01:00 (MST-7)
Location: LODGEPOLE
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in PERKINS, SOUTH DAKOTA
From 18-JUL-08 16:01:00 to 18-JUL-08 16:01:00 (MST-7)
Location: LODGEPOLE
Magnitude: 70.00 EG
Reported by: Trained Spotter

The combination of wind and hail broke windows and stripped bark from trees.

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 16:35:00 to 18-JUL-08 16:35:00 (MST-7)
Location: BUFFALO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail was six inches deep.

Hail in PERKINS, SOUTH DAKOTA
From 18-JUL-08 16:22:00 to 18-JUL-08 16:37:00 (MST-7)
Location: LODGEPOLE
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail covered the ground. Vegetation was stripped from the ground.

Thunderstorm Wind in PERKINS, SOUTH DAKOTA
From 18-JUL-08 17:10:00 to 18-JUL-08 17:10:00 (MST-7)
Location: SHADEHILL
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 17:30:00 to 18-JUL-08 17:30:00 (MST-7)
Location: REVA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 14:23:00 to 18-JUL-08 14:23:00 (MST-7)
Location: LADNER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 14:50:00 to 18-JUL-08 14:50:00 (MST-7)
Location: LADNER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 15:11:00 to 18-JUL-08 15:11:00 (MST-7)
Location: LUDLOW
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 17:35:00 to 18-JUL-08 17:35:00 (MST-7)
Location: REVA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 18:23:00 to 18-JUL-08 18:23:00 (MST-7)
Location: REVA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HARDING, SOUTH DAKOTA
From 18-JUL-08 16:40:00 to 18-JUL-08 16:40:00 (MST-7)
Location: BUFFALO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public