A cluster of severe thunderstorms tracked slowly northeastward from Nebraska across south central South Dakota during the late afternoon and evening. Large hail and strong wind gusts were reported across Todd and southern Tripp Counties. Two tornadoes also developed, one across southeastern Todd County and another over southwestern Tripp County. Very heavy rain also caused flooding in Colome and southeastern Tripp County.

Hail in TODD, SOUTH DAKOTA
From 22-MAY-16 16:30:00 to 22-MAY-16 16:30:00 (CST-6)
Location: ST FRANCIS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TODD, SOUTH DAKOTA
From 22-MAY-16 16:40:00 to 22-MAY-16 16:40:00 (CST-6)
Location: ST FRANCIS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TODD, SOUTH DAKOTA
From 22-MAY-16 17:05:00 to 22-MAY-16 17:05:00 (CST-6)
Location: ST FRANCIS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TODD, SOUTH DAKOTA
From 22-MAY-16 17:15:00 to 22-MAY-16 17:15:00 (CST-6)
Location: MISSION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in TODD, SOUTH DAKOTA
From 22-MAY-16 18:08:00 to 22-MAY-16 18:08:00 (CST-6)
Location: OKREEK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated at 60 mph.

Hail in TODD, SOUTH DAKOTA
From 22-MAY-16 18:00:00 to 22-MAY-16 18:10:00 (CST-6)
Location: MISSION
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Thunderstorm Wind in TRIPP, SOUTH DAKOTA
From 22-MAY-16 18:45:00 to 22-MAY-16 18:45:00 (CST-6)
Location: KEYAPAHA
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Strong winds caused roof damage to farm buildings.

Thunderstorm Wind in TODD, SOUTH DAKOTA
From 22-MAY-16 18:00:00 to 22-MAY-16 18:10:00 (CST-6)
Location: MISSION
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

The combination of hail and wind stripped leaves and branches from trees, destroyed plants, stripped paint off windows.

Tornado in TODD, SOUTH DAKOTA
From 22-MAY-16 18:25:00 to 22-MAY-16 18:35:00 (CST-6)
Location: MISSION
Tornado F-scale: EF2
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado developed over southeastern Todd County and moved northeastward for about ten minutes. The tornado did not damage any structures as it tracked across fields for almost five miles. However, it did snap eight to ten power poles at the ground at the intersection of Littleburg Road and Hidden Timber Road. Several large trees in a shelter belt were snapped off and uprooted.

Tornado in TRIPP, SOUTH DAKOTA
From 22-MAY-16 18:35:00 to 22-MAY-16 18:37:00 (CST-6)
Location: CLEARFIELD
Tornado F-scale: EF1
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief tornado touched down north of Clearfield in southwestern Tripp County and tracked across a farm, causing considerable property damage. Two livestock trailers were tossed by the winds estimated near 100 mph. A pole shed was destroyed with the poles torn from the ground and metal siding and roof blown across the yard. The home had roof and siding damage. Two power poles were downed. There were no injuries.

Flash Flood in TRIPP, SOUTH DAKOTA
From 22-MAY-16 19:20:00 to 22-MAY-16 21:15:00 (CST-6)
Location: KEYAPAHA
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Street flooding occurred in Colome and several county roads in southeastern Tripp County were flooded.

Flood in TRIPP, SOUTH DAKOTA
From 22-MAY-16 19:15:00 to 23-MAY-16 09:00:00 (CST-6)
Location: KEYAPAHA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Several county roads  in southern Tripp County were flooded and had to be closed.

Thunderstorm Wind in TRIPP, SOUTH DAKOTA
From 22-MAY-16 19:45:00 to 22-MAY-16 19:45:00 (CST-6)
Location: COLOME
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds destroyed a small shed, blowing the debris across a field almost a mile. A semi truck and trailer were tipped over. Time was estimated from radar.