Storms with supercell characteristics at times developed in the heat of the afternoon ahead of a cold front, and continued to expand in coverage through the evening and overnight. Up to tennis ball sized hail was observed near the Faulkton area, along with sporadic thunderstorm wind damage. Localized gusts up to 76 mph were observed at and near the Watertown airport as well. After thunderstorms had largely dissipated, environmental conditions became favorable for additional severe wind gusts of around 60 mph (gravity waves). Overall rainfall totals neared 4 inches in a few spots including 4 miles north of Vivian (3.82 inches) and Summit (3.98 inches). Minor street flooding was reported in Aberdeen.

Hail in HUGHES, SOUTH DAKOTA
From 05-AUG-22 17:10:00 to 05-AUG-22 17:10:00 (CST-6)
Location: HARROLD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in FAULK, SOUTH DAKOTA
From 05-AUG-22 17:40:00 to 05-AUG-22 17:40:00 (CST-6)
Location: BURKMERE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FAULK, SOUTH DAKOTA
From 05-AUG-22 17:47:00 to 05-AUG-22 17:47:00 (CST-6)
Location: BURKMERE
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FAULK, SOUTH DAKOTA
From 05-AUG-22 17:50:00 to 05-AUG-22 17:50:00 (CST-6)
Location: FAULKTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BROWN, SOUTH DAKOTA
From 05-AUG-22 18:05:00 to 05-AUG-22 18:05:00 (CST-6)
Location: WARNER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in SPINK, SOUTH DAKOTA
From 05-AUG-22 18:15:00 to 05-AUG-22 18:15:00 (CST-6)
Location: MANSFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BROWN, SOUTH DAKOTA
From 05-AUG-22 18:18:00 to 05-AUG-22 18:18:00 (CST-6)
Location: WARNER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BROWN, SOUTH DAKOTA
From 05-AUG-22 18:33:00 to 05-AUG-22 18:33:00 (CST-6)
Location: GROTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DAY, SOUTH DAKOTA
From 05-AUG-22 18:42:00 to 05-AUG-22 18:42:00 (CST-6)
Location: PIERPONT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in EDMUNDS, SOUTH DAKOTA
From 05-AUG-22 18:48:00 to 05-AUG-22 18:48:00 (CST-6)
Location: MINA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MARSHALL, SOUTH DAKOTA
From 05-AUG-22 18:48:00 to 05-AUG-22 18:48:00 (CST-6)
Location: LANGFORD
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FAULK, SOUTH DAKOTA
From 05-AUG-22 19:40:00 to 05-AUG-22 19:40:00 (CST-6)
Location: FAULKTON MUNI ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in FAULK, SOUTH DAKOTA
From 05-AUG-22 20:20:00 to 05-AUG-22 20:20:00 (CST-6)
Location: CHELSEA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in HUGHES, SOUTH DAKOTA
From 05-AUG-22 16:40:00 to 05-AUG-22 16:40:00 (CST-6)
Location: BLUNT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter estimated wind speeds of 60 mph.

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 05-AUG-22 17:00:00 to 05-AUG-22 17:00:00 (CST-6)
Location: MC CLURE
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 05-AUG-22 17:20:00 to 05-AUG-22 17:20:00 (CST-6)
Location: VIVIAN
Magnitude: 61.00 EG
Reported by: Broadcast Media

A semi jackknifed on southbound US 83 due to estimated 70 mph wind gusts.

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 05-AUG-22 18:00:00 to 05-AUG-22 18:00:00 (CST-6)
Location: VIVIAN
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind speeds around 75 mph.

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 05-AUG-22 17:59:00 to 05-AUG-22 17:59:00 (CST-6)
Location: MC CLURE
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 05-AUG-22 17:30:00 to 05-AUG-22 17:30:00 (CST-6)
Location: VIVIAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Many small tree limbs were downed by estimated 60 mph wind gusts.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 05-AUG-22 18:54:00 to 05-AUG-22 18:54:00 (CST-6)
Location: ABERDEEN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A large tree branch was downed by estimated 60 mph winds.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 05-AUG-22 18:51:00 to 05-AUG-22 18:51:00 (CST-6)
Location: RICHMOND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An NWS employee estimated wind speeds of 60 mph.

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 05-AUG-22 21:40:00 to 05-AUG-22 21:40:00 (CST-6)
Location: (ATY)WATERTOWN ARPT
Magnitude: 70.00 EG
Reported by: Trained Spotter

Boards punctured the wall of a repair shop, and much of a storage building's roof was stripped off by estimated 80 mph winds.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 05-AUG-22 19:10:00 to 05-AUG-22 19:10:00 (CST-6)
Location: JAMES
Magnitude: 61.00 EG
Reported by: Public

Trees were blown down by estimated 70 mph winds.

Thunderstorm Wind in FAULK, SOUTH DAKOTA
From 05-AUG-22 20:20:00 to 05-AUG-22 20:20:00 (CST-6)
Location: CHELSEA
Magnitude: 70.00 EG
Reported by: Public

An out building was blown through a windbreak and across the road, and another building had its north doors blown out by estimated 80 mph winds.

Thunderstorm Wind in EDMUNDS, SOUTH DAKOTA
From 05-AUG-22 18:36:00 to 05-AUG-22 18:36:00 (CST-6)
Location: MINA
Magnitude: 61.00 EG
Reported by: COOP Observer

Minor tree damage resulted from estimated 70 mph winds.

Thunderstorm Wind in FAULK, SOUTH DAKOTA
From 05-AUG-22 17:48:00 to 05-AUG-22 17:48:00 (CST-6)
Location: FAULKTON
Magnitude: 61.00 EG
Reported by: COOP Observer

An elm tree was snapped, and several 2 to 4 inch diameter branches were downed by estimated 70 mph winds.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 05-AUG-22 19:13:00 to 05-AUG-22 19:13:00 (CST-6)
Location: WESTPORT
Magnitude: 52.00 EG
Reported by: Public

Estimated 60 mph winds bent a flag pole.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 05-AUG-22 19:11:00 to 05-AUG-22 19:11:00 (CST-6)
Location: WESTPORT
Magnitude: 61.00 EG
Reported by: Public

A tree snapped in half by estimated 70 mph winds, and landed on a pickup topper.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 05-AUG-22 18:57:00 to 05-AUG-22 18:57:00 (CST-6)
Location: (ABR)ABERDEEN RGNL A
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in CLARK, SOUTH DAKOTA
From 05-AUG-22 20:54:00 to 05-AUG-22 20:54:00 (CST-6)
Location: ELROD
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 05-AUG-22 21:48:00 to 05-AUG-22 21:48:00 (CST-6)
Location: (ATY)WATERTOWN ARPT
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 05-AUG-22 23:24:00 to 05-AUG-22 23:24:00 (CST-6)
Location: CORONA
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in GRANT, SOUTH DAKOTA
From 05-AUG-22 23:56:00 to 05-AUG-22 23:56:00 (CST-6)
Location: BIG STONE CITY
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 05-AUG-22 21:53:00 to 05-AUG-22 21:53:00 (CST-6)
Location: (ATY)WATERTOWN ARPT
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in JONES, SOUTH DAKOTA
From 05-AUG-22 17:41:00 to 05-AUG-22 17:41:00 (CST-6)
Location: DRAPER
Magnitude: 70.00 EG
Reported by: Emergency Manager

Thunderstorm winds knocked down 8 power poles and damaged 7 outbuildings, trees and crops.

High Wind in SPINK, SOUTH DAKOTA
From 06-AUG-22 02:36:00 to 06-AUG-22 02:36:00 (CST-6)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High Wind in CODINGTON, SOUTH DAKOTA
From 06-AUG-22 03:40:00 to 06-AUG-22 03:40:00 (CST-6)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet