Flood in Allamakee County, Iowa

Flood June 24, 2024 – June 25, 2024 · Allamakee County, Iowa

$35K

Damage as recorded

$20K

Crop damage

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

What the National Weather Service wrote

Significant rainfall later into June pushed the Little Cedar River at Ionia into flood stage on June 24th. The river stage crested around midnight on June 25th in minor flood stage at 17.26 ft.

The wider storm

Above normal rainfall over the course of June, combined with a robust rainfall event between June 20th and 22nd, led to widespread river flooding across portions of northeast Iowa. Rainfall amounts upwards of 5 inches between the 20th and 22nd allowed the Mississippi River, Cedar River and many other river basins in northeast Iowa to enter flood stage towards the end of June. Flooding along the Mississippi River mainstem continued into July.

Began near Postville (43.0335, -92.5045).

Source: NOAA Storm Events Database, event 1195822. Narratives are written by the National Weather Service forecast office that issued the report.

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