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EF0 tornado in Howard County, Iowa

Tornado May 27, 2019 · Howard County, Iowa

EF0
Rating
6.2 mi
Whole path
30 yd
Path width
$202K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Howard County → Fillmore County, Minnesota; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 formed over far northern Howard County north of Lime Springs before quickly moving across the state line into Fillmore County, Minnesota. This was the third tornado of the day in Howard County.

The wider storm

As an area of low pressure moved across the Upper Midwest, thunderstorms developed during the afternoon of Memorial Day (May 27th) across portions of northeast Iowa. These storms quickly became severe and produced tornadoes across Floyd, Chickasaw and Howard Counties. The first tornado developed near Charles City (Floyd County) and was on the ground for about 7 miles, extensively damaging some buildings at the Floyd County fairgrounds along damaging three houses severe enough to make them inhabitable. Another tornado moved across rural portions of Howard County for 12 miles and damaged a wind turbine and cattle barns. Two other weaker tornadoes also touched down across northwest Chickasaw County and northern Howard County very close to the Minnesota state line.

Began near Lime Spgs (43.4985, -92.2599).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 827273. Narratives are written by the National Weather Service forecast office that issued the report.

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