A large, long-lived supercell thunderstorm developed over Oglala Lakota County and tracked slowly eastward across southern South Dakota through the late afternoon and early evening. The storm produced a large swath of large hail and strong winds, eventually producing mostly strong winds as it moved across far south central South Dakota. Brief tornado touchdowns were reported over Bennett County, but did not cause damage. Heavy rain also produced flooding in some areas of Oglala Lakota and Bennett Counties.

Hail in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 14:39:00 to 03-JUL-19 14:39:00 (MST-7)
Location: KYLE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Hail in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 14:00:00 to 03-JUL-19 14:00:00 (MST-7)
Location: ROCKYFORD
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 14:20:00 to 03-JUL-19 14:20:00 (MST-7)
Location: ROCKYFORD
Magnitude: 1.25 
Crop damage: 0.00K
Reported by: Public

Hail in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 14:46:00 to 03-JUL-19 14:46:00 (MST-7)
Location: SHARPS CORNER
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Hail in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 15:15:00 to 03-JUL-19 15:15:00 (MST-7)
Location: KYLE
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 15:15:00 to 03-JUL-19 15:15:00 (MST-7)
Location: KYLE
Magnitude: 61.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

The strong winds tore sheet metal off a roof and broke large tree limbs.

Hail in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 15:24:00 to 03-JUL-19 15:24:00 (MST-7)
Location: PORCUPINE
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts to 50 mph accompanied the storm.

Thunderstorm Wind in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 15:41:00 to 03-JUL-19 15:41:00 (MST-7)
Location: PORCUPINE
Magnitude: 68.00 MG
Crop damage: 0.00K
Reported by: RAWS

Thunderstorm Wind in BENNETT, SOUTH DAKOTA
From 03-JUL-19 15:38:00 to 03-JUL-19 15:38:00 (MST-7)
Location: SWETT
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

One large grain bin was caved in and four others were dented by strong wind gusts. The winds also tore siding off a house.

Hail in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 16:14:00 to 03-JUL-19 16:14:00 (MST-7)
Location: BATESLAND
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BENNETT, SOUTH DAKOTA
From 03-JUL-19 17:28:00 to 03-JUL-19 17:28:00 (MST-7)
Location: VETAL
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated at 60 mph.

Thunderstorm Wind in TODD, SOUTH DAKOTA
From 03-JUL-19 19:12:00 to 03-JUL-19 19:12:00 (CST-6)
Location: ST FRANCIS
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated at 70 mph.

Thunderstorm Wind in TODD, SOUTH DAKOTA
From 03-JUL-19 19:15:00 to 03-JUL-19 19:15:00 (CST-6)
Location: ST FRANCIS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Small branches were downed by the wind.

Thunderstorm Wind in TRIPP, SOUTH DAKOTA
From 03-JUL-19 20:59:00 to 03-JUL-19 20:59:00 (CST-6)
Location: (ICR)WINNER AIRPORT
Magnitude: 54.00 MG
Crop damage: 0.00K
Reported by: ASOS

Tornado in BENNETT, SOUTH DAKOTA
From 03-JUL-19 15:06:00 to 03-JUL-19 15:06:00 (MST-7)
Location: SWETT
Tornado F-scale: EF0
Property damage: 0.00K
Reported by: Emergency Manager

A brief tornado was reported by the emergency manager. It was over pasture land and caused no damage.

Thunderstorm Wind in TRIPP, SOUTH DAKOTA
From 03-JUL-19 21:15:00 to 03-JUL-19 21:15:00 (CST-6)
Location: WITTEN
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter estimated wind gusts at 60 mph.

Tornado in BENNETT, SOUTH DAKOTA
From 03-JUL-19 15:19:00 to 03-JUL-19 15:19:00 (MST-7)
Location: ALLEN
Tornado F-scale: EF0
Property damage: 0.00K
Reported by: Emergency Manager

A brief tornado was reported by the emergency manager. It was over pasture land and caused no damage.

Tornado in BENNETT, SOUTH DAKOTA
From 03-JUL-19 15:37:00 to 03-JUL-19 15:37:00 (MST-7)
Location: ALLEN
Tornado F-scale: EF0
Property damage: 0.00K
Reported by: Emergency Manager

A brief tornado was reported by the emergency manager. It was over pasture land and caused no damage.

Flood in OGLALA LAKOTA, SOUTH DAKOTA
From 03-JUL-19 17:00:00 to 04-JUL-19 06:00:00 (MST-7)
Location: KYLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Tribal Official

Runoff from heavy rain caused flooding on Three Mile Creek, Six Mile Creek, and their tributaries. Water covered portions of BIA 17 and was reported along of BIA 2 southwest of Kyle.

Flood in BENNETT, SOUTH DAKOTA
From 03-JUL-19 17:02:00 to 04-JUL-19 06:00:00 (MST-7)
Location: ALLEN
Flood cause: Heavy Rain
Property damage: 80.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Runoff from heavy rain caused flooding on the Little White River three miles south-southeast of Swett. Water inundated 296th Street and washed out a culvert, causing the road to collapse.

Thunderstorm Wind in BENNETT, SOUTH DAKOTA
From 03-JUL-19 15:50:00 to 03-JUL-19 15:50:00 (MST-7)
Location: ALLEN
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Strong wind gusts blew a single wide mobile home off its foundation.