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EF1 tornado in Iowa County, Iowa

Tornado May 25, 2008 · Iowa County, Iowa

EF1

Rating

6.2 mi

Path length

440 yd

Path width

$100K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 440 yards (0.25 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

A tornado moved east just south of I 80 from mile marker 205 south of Victor, IA to mile marker 211 south of Ladora, IA. Several gin bins and other farm outbuildings were either damaged or destroyed. Some utility poles and trees along the path were blown down and at least one home sustained roof damage. One tree fell onto a mobile home destroying it.

The wider storm

Heavy rain-producing showers and thunderstorms moved across much of eastern Iowa and northwest and west central Illinois from the evening of May 25th to the early morning of May 26th. Some of the stronger storms also produced tornadoes, damaging winds, and large hail. Buchanan, Delaware, and Dubuque counties in Iowa were hardest hit with the heavy rains, where rainfall totals of 3 to 8 inches fell resulting in flash flooding.

Began near Victor (41.6900, -92.3000).

Other tornadoes from the same storm system

4 more tornadoes the National Weather Service filed under this storm episode.

EF3 Buchanan County EF1 Buchanan County EF1 Delaware County EF0 Johnson County

Source: NOAA Storm Events Database, event 106091. Narratives are written by the National Weather Service forecast office that issued the report.

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