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Today in Weather History
• 1964: A two state F3 tornado moved northeast from 4 miles WNW of Herreid to south of Streeter, a distance of about 55 miles. Blacktop was ripped for 400 yards on Highway 10, five miles north of Herreid, South Dakota. Two barns were destroyed northeast of Hague, North Dakota, with a dozen cattle killed on one farm. The F3 damage occurred at one farm about midway between Wishek and Hogue. Other barns were destroyed south of Bernstad.
• 1986: Strong pressure gradient winds in excess of 60 mph occurred over west central Minnesota. City officials in Browns Valley estimated a quarter of the city suffered damage. The roof of a grandstand was blown off and landed a quarter block away. Seventy five homes and six businesses sustained roof damage. In nearby Dumont, wind ripped a large grain bin off its foundation and tore open the top of another.
• 2007: A large upper low pressure area over the southwest United States spun off a strong upper level trough into the northern plains. This trough lifting over the region along with a north to south frontal boundary, powerful low level winds, and abundant gulf moisture resulted in training thunderstorms across parts of central and northeast South Dakota. The training thunderstorms produced torrential rains from 3 to over 10 inches resulting in widespread flash flooding across Brown, Buffalo, Hand, Spink, Clark, Day, Marshall, and Roberts Counties. The counties of (Continued on page 20)
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