Thunderstorm Wind in Beadle County, South Dakota

Thunderstorm Wind August 14, 2025 · Beadle County, South Dakota

64 mph

Estimated gust (56 kt)

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

What the National Weather Service wrote

Thunderstorm winds heavily damaged a south side barn door and roof.

The wider storm

Thunderstorms initiated along the higher terrain of western South Dakota and moved eastward through a stout instability axis from 2000-2500 J/kg MUCAPE and deep-layer shear up to 40 knots. However, the storms quickly outran the better parameters and weakened moving into southeast South Dakota, but not before linear storms produced areas of 60 to 65 mph wind across Gregory County. Additional storms developed several hours later during the early morning hours with isolated wind damage southeast of Huron.

Began near Cavour (44.3800, -97.9600).

Source: NOAA Storm Events Database, event 1290501. Narratives are written by the National Weather Service forecast office that issued the report.

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