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town became completely surrounded by water. Officials in Deuel County estimated at least 37 bridges and culverts were destroyed. Other three day rainfall totals include; 6.35 inches in Conde; 5.99 in Castlewood; 4.91 inches 2NW of Big Stone City; 4.90 in Redfield; and 4.65 inches at Artichoke Lake. Heavy rains fell over a three day period beginning on the 15th. The hardest hit area was in Clear Lake were the three day total was 11.53 inches. As a result, wall of water up to 15 feet high swept down creeks in the Clear Lake area. The resultant flash flooding went through first floors of many houses and even filled basements of houses on hills. The wave of water hit a car that was occupied by a woman and her son. The water spun them around as they floated about 200 yards. The car finally grounded without any reported injuries. All roads into Clear Lake were cut off as the town became completely surrounded by water. Officials in Deuel County estimated at least 37 bridges and culverts were destroyed. Other three day rainfall totals include; 6.35 inches in Conde; 5.99 in Castlewood; 4.91 inches 2NW of Big Stone City; 4.90 in Redfield; and 4.65 inches at Artichoke Lake.

2009: A strong upper low pressure area brought several supercell thunderstorms which produced severe weather across parts of central and northeast South Dakota. Large hail up to 2 inches in diameter, several tornadoes, along with flash flooding occurred with these storms. Slow moving thunderstorms brought very heavy rains of 2 to 4 inches in and around Aberdeen causing extensive road flooding throughout the city. Dozens of basements were flooded and damaged along with some sewer backups. Many vehicles became stalled with the police sent out to direct traffic. There were also some power outages. A tornado touched down briefly northwest of Lebanon in Potter County with no damage occurring. A tornado touched down southeast of Polo in Hand County, in an open field. No damage occurred. Heavy rains of 3 to over 5 inches caused flash flooding of several roads and crops in north central and northeast Spink County. Heavy rains from 3 to 6 inches fell across southeast Brown County bringing flash flooding. Many roads were flooded and damaged along with many acres of cropland. A tornado touched down in southeast Hand County and remained on the ground for nearly 15 minutes before lifting. No damage occurred with this tornado as it remained in open country.

2010: Very strong winds were observed during the evening hours in Dewey County, South Dakota. Three weather stations near Lantry observed winds from 101 to 142 mph. One station recorded a 101 mph wind before it was destroyed. The other two stations recorded 131 mph and 142 mph winds. The winds destroyed an

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