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EF1 tornado in Warren County, Mississippi

Tornado December 31, 2010 · Warren County, Mississippi

EF1
Rating
3.6 mi
Path length
100 yd
Path width
$110K
Damage as recorded
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 tornado touched down near the intersection of Fisher Ferry and Halls Ferry Roads and tracked northeast across the Army Corps of Engineers Engineer and Research Development Center property. Shingles were blown off several roofs, part of the roof was blown off a hanger, a mobile home was damaged and a power pole was snapped. Further along the track, scattered trees were sporadically blown down with many large limbs down as well along the path. Toward the end of the track, one of the trees fell across power lines, taking three power poles down with it. Maximum winds were around 90 mph.

The wider storm

A potent storm system brought a prolonged outbreak of severe thunderstorms to the Lower Mississippi Valley region from the afternoon hours of New Years Eve lasting through the morning hours of New Years Day. This rare combination of high instability and wind shear is mainly what supported the large outbreak and multiple strong tornadoes. National Weather Service storm survey teams found 11 total tornadoes which occurred during this event. Of the 11, two were EF-3 with two more EF-2. Six were EF-1 with one EF-0. Damaging straight line winds also brought numerous trees and large limbs down across the area. Large hail also occurred during the event with reports ranging from quarter to golf ball size. In addition, flash flooding was a significant issue across the area. Roads were flooded in several locations, some vehicles were submerged in flood waters, and a few evacuations took place as a result of rising flood waters.

Began near Stout (32.2939, -90.8702).

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 268056. Narratives are written by the National Weather Service forecast office that issued the report.

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