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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. 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*