Flash Flood in Buchanan County, Iowa

Flash Flood July 23, 2025 · Buchanan County, Iowa

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

What the National Weather Service wrote

Law Enforcement Officers report water flowing over the roadway.

The wider storm

Thunderstorms that develop late in the evening on July 22nd moved into Buchanan County around midnight and continue into the early morning hours. A warm and humid airmass led to heavy rain. The heavy rain led to flash flooding north of Winthrop in Buchanan County.

Began near Winthrop (42.5300, -91.7300).

Source: NOAA Storm Events Database, event 1282376. Narratives are written by the National Weather Service forecast office that issued the report.

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