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EF1 tornado in Clinton County, Iowa

Tornado March 6, 2017 · Clinton County, Iowa

EF1

Rating

16.6 mi

Whole path

100 yd

Path width

$110K

Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 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

This is a continuation of the tornado that touched down in Cedar County. The tornado continued for a path length of over 11 miles in Clinton County producing damage to trees, outbuildings, and power lines.

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 Big Rock (41.7825, -90.8984).

Other tornadoes from the same storm system

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

EF2 Muscatine County EF2 Muscatine County EF2 Louisa County EF2 Scott County EF0 Jackson County EF0 Clinton County

Source: NOAA Storm Events Database, event 689855. Narratives are written by the National Weather Service forecast office that issued the report.

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