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EF1 tornado in Douglas County, Missouri

Tornado May 8, 2009 · Douglas County, Missouri

EF1
Rating
1.1 mi
Path length
200 yd
Path width
$50K
Damage as recorded
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

A National Weather Service storm survey revealed that an EF-1 tornado touched down near Mt. Zion and tracked about one mile to the northeast. The tornado caused minor home damage, destroyed a barn, and uprooted several trees.

The wider storm

An intense squall line impacted extreme southeast Kansas and the Missouri Ozarks with mainly damaging winds. However, 19 tornadoes along with large hail was also observed. Due to the straight line nature of the winds, damage was widespread and intense.

Began near Mt Zion (37.0127, -92.6662).

Other tornadoes from the same storm system

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

EF3 Howell CountyEF2 Dallas County 1 deadEF2 Christian CountyEF2 Laclede CountyEF2 Howell CountyEF1 Greene CountyEF1 Greene CountyEF1 Polk CountyEF1 Webster CountyEF1 Wright CountyEF1 Ozark CountyEF1 Texas CountyEF1 Howell CountyEF1 Dade CountyEF0 Greene CountyEF0 Texas County

Source: NOAA Storm Events Database, event 170410. Narratives are written by the National Weather Service forecast office that issued the report.

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