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EF1 tornado in Lucas County, Iowa

Tornado June 22, 2015 · Lucas County, Iowa

EF1

Rating

11.1 mi

Whole path

110 yd

Path width

$150K

Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 110 yards (0.06 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 entered into Lucas County from Marion County and stayed in rural areas of far northeast Lucas County. Damage was confined to a grove of trees and farm fields. This tornado continued into Monroe County.

The wider storm

In the afternoon storms fired up ahead of and along a cold front that was entering Iowa from the northwest. Numerous storms had severe hail, produced damaging winds, and two tornadoes. The first tornado was on the ground for several miles tracking through portions of Marion, Lucas and Monroe Counties. The second tornado formed just west of Albia and struck the town of Albia damaging several homes and businesses. Flash flooding was also reported in Davis and Monroe Counties.

Began near Williamson (41.1609, -93.1146).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF2 Monroe County

Source: NOAA Storm Events Database, event 580231. Narratives are written by the National Weather Service forecast office that issued the report.

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