Thunderstorm Wind in Union County, South Dakota

Thunderstorm Wind June 2, 2025 · Union County, South Dakota

75 mph

Estimated gust (65 kt)

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

What the National Weather Service wrote

Large trees were blown down across Burbank Road.

The wider storm

Scattered strong to severe thunderstorms developed late afternoon along a slow-moving frontal boundary. Even with fairly weak deep-layer shear, strong instability resulted in large hail. Drier air and advancing cold pools later in development produced spotty damaging winds. High moisture content and slowly progressing storms also produced some locally heavy rainfall with rates briefly from 3 to 5 inches per hour.

A particularly intense and long-lived supercell developed near Vermillion and tracked southeast, generating hail up to golf ball size and a swath of damaging winds along Burbank Road up to 85 mph.

Began near Elk Pt (42.7000, -96.7100).

Source: NOAA Storm Events Database, event 1278153. Narratives are written by the National Weather Service forecast office that issued the report.

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