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Severe Thunderstorm and Heavy Rainfall Potential Continues

A low pressure center tracking across the Great Lakes and its associated cold front extending across the Southern Plains will focus occasional showers and thunderstorms through tonight. A few of these thunderstorms may become severe alongside heavy rainfall that may cause flash flooding; Portions of the Southern Plains would be the greatest threat for these hazards through tonight. Read More >

Overview

During the afternoon of June 12th, 2001 a series of supercell thunderstorms produced eight reported tornadoes across northeastern Wyoming and southwestern South Dakota. Fortunately, only isolated areas of damage were reported from these storms.

The map at right shows the preliminary tornado reports (red "Ts"), which eventually were reduced to eight confirmed tornadoes because the same tornado was reported multiple times on several occasions. The green swaths represent the supercell thunderstorm tracks.

Preliminary location map
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