Davison storm history

Runoff from occasional precipitation in late March and April maintained considerable flooding throughout the flood plain across Davison county. 416th Avenue near Rosedale Colony and 257th Street near the gage site were impacted by water. A direct fatality to a 22 year-old male oc…

Freezing rain caused heavy icing of roads, trees, and power lines, and was accompanied by 2 to 5 inches of snow, with most of the snow preceding the freezing rain. Travel was brought to a standstill at places. Many vehicles slid off roads, and 13 were injured in 3 accidents. Ice …

A wet microburst with winds estimated at 120 mph caused heavy damage in and around Mitchell. Apartments and several mobile homes were destroyed, vehicles were overturned, and other damage occurred to buildings and vehicles. Widespread tree and power line damage also occurred. Ten…

Rainfall amounts across Davison County from June 20-22 ranged from 5 to 9 inches. Overland flooding ensued with additional major flooding along Firesteel Creek and the James River. County-wide, flood damages to roads ranged from gravel wash to more significant impacts involving e…

Heavy rainfall from September 10-12 totalling 7 to 8 inches near Mitchell led to widespread areal flooding. Travel was significantly hampered across most of the county, including the closure of Interstate 90. Smaller creeks and ponding resulted in the closure of most township and…

Large hail caused widespread damage to vehicles, buildings, and structures in and near Mitchell. In addition to dented vehicles and broken windows, the hail damaged the roofs and siding of homes and businesses. Two of the highest individual damage amounts included $175,000 to the…

Large hail caused severe damage to numerous vehicles, including many at car dealerships. Damage also occurred to windows, siding, and shingles on buildings. The hail caused damage to greens at a municipal golf course.

Northwest winds were sustained between 40 and 48 mph at times, with gusts as high as 64 mph at Mitchell and 60 mph at a South Dakota Mesonet site in Mount Vernon.

Snowfall totaled 3.0 inches 5 miles west-southwest of Ethan and 2.1 inches at Mitchell.

Wind chills reached as low as -27 degrees at Ethan and -26 degrees at Mitchell.

Synoptic northwest winds were sustained from 40 to 45 mph with a peak gust of 62 mph at an Automated Surface Observing System site at Mitchell and 58 mph at a South Dakota Mesonet site at White Lake.

Snowfall totaled 4.5 inches at Mitchell and 3.0 inches 4.5 miles west-southwest of Ethan.

A long-duration snowfall totaled 3.6 inches at Mitchell. During a brief break in snowfall during the evening of November 28, a period of light freezing rain and freezing drizzle resulted in up to a tenth of an inch ice accumulation.

Sustained winds were from 30 to 39 mph, with a peak gust of 56 mph at the Automated Surface Observing System site in Mitchell and 52 mph at the South Dakota Mesonet site near Mount Vernon.

Snowfall totaled 3.5 inches 5 miles west-southwest of Ethan and 3.2 inches in Mitchell.

Thunderstorm wind gusts were measured by ASOS station KMHE at the Mitchell Municipal Airport.

Heat index values peaked as high as 102 degrees at Mitchell, 101 degrees at Ethan, and 100 degrees at South Dakota Mesonet site VNMS2 near Mount Vernon.

Dangerous heat index values peaked as high as 106 degrees at Ethan and 105 degrees at Mitchell.

A 63 mph thunderstorm wind gust was measured at Mitchell Municipal Airport (KMHE).

Thunderstorm wind gusts were measured by a mobile mesonet.

Dangerous heat index readings reached an afternoon peak on July 27 as high as 114 degrees at South Dakota Mesonet site VNMS2 near Mount Vernon, and 109 degrees at Ethan and Mitchell.

Heat index values peaked during the afternoon hours of July 22 as high as 104 degrees at South Dakota Mesonet site VNMS2 near Mount Vernon.

Damage to tree limbs occurred with estimated 50-60 mph winds.

Thunderstorm wind gusts were measured by a personal weather station.

Daily afternoon and evening heat indices ranged from 105 to 110 degrees with a maximum heat index of 110 degrees at the Automated Surface Observing System site at Mitchell on June 21, 109 degrees at the South Dakota Mesonet site near Mount Vernon on June 20 and 21, and 107 degree…

Sustained easterly winds reached 30 to 39 mph with gusts as high as 56 mph near Mitchell and 49 mph near Mount Vernon.

Severe (D2) drought conditions improved to moderate (D1) early month.

Snowfall totaled 4.0 inches 4.5 miles west-southwest of Ethan and 1.9 inches at Mitchell.

Snowfall totaled 1.9 inches at Mitchell and 1.0 inch 5 miles northwest of Dimock. Northerly winds from 30 to 39 mph, which gusted as high as 52 mph at Mitchell, resulted in visibility briefly as low as one-half mile with hazardous travel conditions.

Severe (D2) drought conditions persisted through the month.

Winds were sustained at 30 to 36 mph with a peak gust of 51 mph at Mitchell and 47 mph near Mount Vernon.

The lowest wind chills ranged from 35 to 39 below zero with 39 below zero observed at the Mitchell Municipal Airport (KMHE).

The lowest wind chills ranged from 35 to 41 below zero with 41 below zero observed at a personal weather station near Ethan. The Mitchell Municipal Airport (KMHE) reported a minimum wind chill of 38 below zero.

Wind chill temperatures ranged from 25 to 34 below zero during the early morning hours. The ASOS at the Mitchell Municipal Airport briefly dipped as low as 36 below zero.

Snowfall totaled 6.6 inches 4.5 miles west-southwest of Ethan and 2.9 inches at Mitchell.

Severe (D2) drought conditions persisted through the month.

The lowest wind chills ranged from 35 to 39 below zero with 39 below zero observed at a public automated weather station near Ethan. The Mitchell Municipal Airport (KMHE) reported a minimum wind chill of 37 below zero.

Severe (D2) drought conditions persisted through the month.

Winds were sustained from 40 to 43 mph at times with gusts as high as 59 mph at Mitchell.

Winds were sustained up to 31 mph at Mitchell.

Winds were sustained from 30 to 40 mph with gusts as high as 55 mph at Mitchell.

Severe (D2) drought persisted through December.

Winds occasionally gusted as high as 56 mph at Mitchell and 54 mph near Mt. Vernon.

Severe (D2) drought persisted through November with precipitation largely near normal.

Severe (D2) drought developed with precipitation around 5 inches below normal since August 1.

Sustained winds at the Automated Surface Observing System site at Mitchell reached 35 mph, with gusts as high as 45 mph.

Afternoon and early evening heat index values reached as high as 108 degrees at Mitchell.