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Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Heavy rainfall from scattered thunderstorms is expected across the Southwest, Intermountain West, and Plains. Isolated dry thunderstorms may initiate additional fires across the west. The coastal Carolinas may experience flash floods in the coming days due to repeated thunderstorms. Additionally, a wave of intense summer heat will hit the Southern Plains and central Gulf Coast States this week. Read More >

Wednesday evening, strong supercell thunderstorms moved through portions of north central South Dakota.  These tornadic storms directly impacted the city of Wessington Springs, SD.  Here are the results of a preliminary damage survey for the city.

 

Rating: EF-2 

Peak wind: 135 mph

Path length: 2.26 miles

Path Width:  200 yards

Fatalities: none

Injuries: none

 

 

 

The Enhanced Fujita scale classifies tornadoes into the following categories.

Ef0...Weak......65 to 85 mph

Ef1...Weak......86 to 110 mph

Ef2...Strong....111 to 135 mph

Ef3...Strong....136 to 165 mph

Ef4...Violent...166 to 200 mph

Ef5...Violent...>200 mph*