Thunderstorm Wind in Buchanan County, Iowa

Thunderstorm Wind July 29, 2025 · Buchanan County, Iowa

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

Photo of a 14 inch diameter oak tree snapped that narrowly missed falling on a house and garage. Photo relayed via social media. The time of the event was estimated using radar.

The wider storm

On July 29th, a well-organized line of severe progressed from South Dakota into Iowa during the very early the morning hours. Severe thunderstorm wind gusts occurred in eastern Iowa with scattered gusts between 70 to 80 MPH. Wind gusts over 40 MPH lasted for 30 minutes in some places. This line of storms was classified as a derecho by the Storm Prediction Center.

Began near Aurora (42.6200, -91.7300).

Source: NOAA Storm Events Database, event 1282352. Narratives are written by the National Weather Service forecast office that issued the report.

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