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Tornado in Hamilton County, Iowa

Tornado April 7, 2024 · Hamilton County, Iowa

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Not rated

0.7 mi

Whole path

20 yd

Path width

$20K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Hamilton County → Wright County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 20 yards (0.01 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

Not rated. NOAA lists no rating for this tornado. Ratings come from surveying damage, and the National Weather Service now records “EFU” (unknown) when a tornado hit nothing a survey team could rate.

What the National Weather Service wrote

A brief tornado developed in far northern Hamilton County and travelled a short distance north before leaving the county. No damage indicators were impacted in Hamilton County, hence the EFU rating. This tornado moved into Wright county.

The wider storm

A surface low was east of the area with two associated surface boundaries draped across the area. By late afternoon the two boundaries began to merge with thunderstorm development in central to northern Iowa. Instability was modest, but concentrated in the lower three km of the atmosphere, which allowed for enough stretching to support a brief tornado.

Began near Williams (42.5553, -93.5763).

Source: NOAA Storm Events Database, event 1169909. Narratives are written by the National Weather Service forecast office that issued the report.

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