A line of severe thunderstorms developed over central Meade County and moved eastward across eastern Meade, northeastern Pennington, northern Haakon, and southern Ziebach Counties. The storm produced very large hail in some areas, along with strong wind gusts, which caused extensive damage. A small tornado snapped power poles and large pine trees south of White Owl.

Hail in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:10:00 to 06-JUL-16 15:20:00 (MST-7)
Location: ENNING
Magnitude: 2.50 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:10:00 to 06-JUL-16 15:20:00 (MST-7)
Location: ENNING
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind-driven hail to the size of tennis balls smashed vehicle windows.

Hail in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:22:00 to 06-JUL-16 15:22:00 (MST-7)
Location: ENNING
Magnitude: 1.25 
Crop damage: 0.00K
Reported by: NWS Employee

Drifts of hail along the road.

Hail in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:23:00 to 06-JUL-16 15:23:00 (MST-7)
Location: ENNING
Magnitude: 3.00 
Reported by: NWS Employee

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:30:00 to 06-JUL-16 15:30:00 (MST-7)
Location: ELM SPRINGS
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Marble sized hail also fell with the storm.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:30:00 to 06-JUL-16 15:30:00 (MST-7)
Location: ELM SPRINGS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind gusts were estimated at 60 mph.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:20:00 to 06-JUL-16 15:20:00 (MST-7)
Location: UNION CENTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter estimated wind gusts at 60 mph.

Thunderstorm Wind in PENNINGTON, SOUTH DAKOTA
From 06-JUL-16 15:50:00 to 06-JUL-16 15:50:00 (MST-7)
Location: CREIGHTON
Magnitude: 70.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Strong wind gusts broke off the tops of trees and blew a door off its hinges.

Thunderstorm Wind in ZIEBACH, SOUTH DAKOTA
From 06-JUL-16 16:10:00 to 06-JUL-16 16:30:00 (MST-7)
Location: BRIDGER
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Severe wind gusts lasted 20 minutes, reaching a peak gust of 68 mph.

Hail in HAAKON, SOUTH DAKOTA
From 06-JUL-16 16:15:00 to 06-JUL-16 16:45:00 (MST-7)
Location: MILESVILLE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in HAAKON, SOUTH DAKOTA
From 06-JUL-16 16:15:00 to 06-JUL-16 16:45:00 (MST-7)
Location: MILESVILLE
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: COOP Observer

Wind gusts were estimated at 70 mph.

Tornado in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:28:00 to 06-JUL-16 15:33:00 (MST-7)
Location: WHITE OWL
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A short-lived EF-1 tornado developed about seven miles south-southeast of White Owl, knocking down trees and power lines it its path. Wind gusts were estimated at 110 mph.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:25:00 to 06-JUL-16 15:25:00 (MST-7)
Location: WHITE OWL
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Strong winds blew over a small shed and tossed it into some nearby trees.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:40:00 to 06-JUL-16 15:40:00 (MST-7)
Location: PLAINVIEW
Magnitude: 99.00 EG
Crop damage: 0.00K
Reported by: NWS Storm Survey

A small hunting cabin was demolished with the debris tossed across the road into a field. Seven large and three smaller power poles were snapped along Plainview Road.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 06-JUL-16 15:44:00 to 06-JUL-16 15:44:00 (MST-7)
Location: PLAINVIEW
Magnitude: 100.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A well-sited weather station at the Sioux Spiritual Center measured a 112 mph wind gust. Trees were downed but no structure damage occurred.

Thunderstorm Wind in HAAKON, SOUTH DAKOTA
From 06-JUL-16 15:52:00 to 06-JUL-16 15:55:00 (MST-7)
Location: MILESVILLE
Magnitude: 79.00 EG
Reported by: Public

Wind gusts to 90 mph uprooted trees, destroyed two barns, moved another barn off its foundation about 250 feet, and flipped a pickup truck on its side.