Flash Flood in Stanley County, South Dakota

Flash Flood August 21, 2024 – August 22, 2024 · Stanley County, South Dakota

$12K

Crop damage

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A trained spotter reported 3 to 4 inch deep water over the roadway on highway 14 in Fort Pierre.

The wider storm

Widespread, slow moving thunderstorms brought hail, gusty wnds and heavy rain to portions of central South Dakota on the afternoon and evening of August 21st. Hail to the size of tennis balls was observed by a trained spotter 4 miles northwest of Murdo. A peak wind speed of 65 mph was observed at a weather station 13 miles north northwest of Sansarc while the ASOS in Pierre peaked at 59 mph. Emergency management and trained spotters estimated about 3.5 inches of rainfall associated with the storms in portions of Jones and Hyde counties which resulted in water over a few roads.

Began near Ft Pierre (44.3694, -100.3780).

Source: NOAA Storm Events Database, event 1200936. Narratives are written by the National Weather Service forecast office that issued the report.

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