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EF1 tornado in Fayette County, Iowa

Tornado June 22, 2015 · Fayette County, Iowa

EF1
Rating
1.5 mi
Path length
50 yd
Path width
2
Injuries
$100K
Damage as recorded
$100K
Crop damage
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

The tornado started about 4 miles southeast of Maynard and ended approximately 5 miles southeast of Maynard. The tornado destroyed a farmhouse by moving it off its foundation and it then fell into the basement. Two people inside the house sustained non-life threatening injuries. The tornado also damaged crops, trees and farm buildings.

The wider storm

An early morning squall line moved across northeast Iowa on June 22nd. This squall line produced winds of 60 to 70 mph and at least one tornado. The tornado destroyed one farm house near Maynard (Fayette County) causing injuries to both occupants of the house. Several other nearby farms sustained damage to crops, trees, and barns. As the squall line moved across northeast Iowa it produced a swath of wind damage starting near Marble Rock (Floyd County) to around Guttenberg (Clayton County). Within this swath, a 65 mph wind gust was measured in Marble Rock that took down trees and power lines, around 17 farms sustained damage across southern Fayette County, and an Amish grocery store was destroyed near Garber (Clayton County). Preliminary damage estimates for Fayette County are in excess of $3 million. Locally heavy rains also produced some flash flooding with 480th Street washed out south of Stacyville (Floyd County) and Waterloo Creek came out of its banks near Dorchester (Allamakee County) within 30 minutes of the rain starting. The State of Iowa Governor issued a disaster proclamation for the following counties: Allamakee, Clayton, Howard, Mitchell and Winneshiek. A federal disaster declaration was made for Allamakee, Chickasaw, Clayton, Fayette, Howard, Mitchell and Winneshiek Counties.

Began near Maynard (42.7452, -91.8142).

Source: NOAA Storm Events Database, event 574207. Narratives are written by the National Weather Service forecast office that issued the report.

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