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EF1 tornado in Phelps County, Missouri

Tornado December 31, 2010 · Phelps County, Missouri

EF1
Rating
6.8 mi
Whole path
440 yd
Path width
2
Deaths
$500K
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 440 yards (0.25 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 NWS survey team determined that the EF-1 tornado that touched down and caused two fatalities near Lecoma in Dent County tracked into southern Phelps County where it enlarged to around a quarter mile wide near County Road 179. The tornado ended around County Road 154 as an EF-0 about 50 yards wide. The tornado downed several trees and damaged power lines in Phelps County.

The wider storm

Between the evening of the 30th and the morning of the 31st, two separate lines of thunderstorms produced significant severe weather across southwest Missouri including damaging wind, large hail, and deadly tornadoes. The first round of storms lifted out of Arkansas late on the evening of the 30th and the second round moved out of western Kansas shortly before daybreak on the 31st.

Began near Seaton (37.7908, -91.7028).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 275104. Narratives are written by the National Weather Service forecast office that issued the report.

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