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EF1 tornado in Scott County, Iowa

Tornado March 6, 2017 · Scott County, Iowa

EF1
Rating
34.7 mi
Whole path
200 yd
Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 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

Tornado tracked from near Walcott and crossed the Wapsipinicon River into Clinton County and traveled to Goose Lake before lifting. Damage in Scott County was rated EF-1, and consisted primarily of damage to farm outbuildings and trees. Some power lines were snapped. Near Walcott, significant damage occurred to commercial property, several signs and more than a dozen large tow-behind campers were damaged.

The wider storm

A line of severe storms tracked east over eastern Iowa, northwest Illinois, and northeast Missouri during the evening of March 6th. Widespread winds over 70 mph, small hail, and several tornadoes were reported. Damage from these storms included: downed trees, power poles, destroyed outbuildings, and roof damage to several homes.

Began near Walcott (41.5990, -90.7988).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 690035. Narratives are written by the National Weather Service forecast office that issued the report.

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