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EF2 tornado in Tensas Parish, Louisiana

Tornado April 4, 2011 · Tensas Parish, Louisiana

EF2
Rating
28.0 mi
Whole path
880 yd
Path width
1
Injury
$4.0M
Damage as recorded

NOAA records this tornado county by county. Its path ran through Tensas Parish → Claiborne County, Mississippi; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 880 yards (0.50 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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 first touched down along Highway 573 just south of Cooter Point. It tracked northeast across Highway 892 and 126 and then crossed Highway 65 a few miles northwest of St. Joseph. The tornado then crossed Lake Bruin and traveled north of that lake before crossing the southern end of Lake St. Joseph. The tornado ended as it touched the eastern bank of the river in Claiborne County, Mississippi. Numerous homes...farms and outbuildings were significantly damaged by the tornado. Much of the damage to the homes was to the roofs with many being blown off. A water treatment plant received major damage and an antebellum home also received significant damage. A grain silo received a huge dent from the tornado and an 18 wheeler was flipped over. Hundreds of trees were snapped and uprooted along the path and numerous power poles were snapped. One injury was noted northwest of St. Joseph. Maximum winds were around 125 mph.

The wider storm

A powerful storm system took shape across the central United States and clashed with a warm and unstable airmass. An extensive and intense squall line resulted which quickly pushed eastward across the eastern half of the country. Overall, this system produced a large severe weather outbreak and brought widespread wind damage to multiple states across the south, mid south, and southeast United States. Nearly 1500 reports of severe weather were reported, across 15 states, with the vast majority being damaging winds. Wind damage was not the only severe weather event type, large hail and tornadoes were also part of the mix. In terms of total events (severe weather reports), this outbreak is one of the largest in the United States.

Across the National Weather Service Jackson forecast area, numerous reports of down trees and power lines have been reported along with multiple reports of damaged structures. These structures were damaged by either fallen trees or intense winds. Survey teams found 5 tornadoes across the area, two of these were rated EF2. The first strong tornado moved into northwest Catahoula Parish from LaSalle Parish. The other strong tornado occurred across Tensas Parish and tracked to the MS River, crossed the river and dissipated in far northwest Claiborne County. The other three tornadoes were rated EF1. One of these occurred just north of Utica, in Hinds County, another tracked across northern Simpson County near Braxton, and the other across southeast Lincoln and southern Lawrence Counties.

Began near Cooter Pt (31.9099, -91.5102).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 282592. Narratives are written by the National Weather Service forecast office that issued the report.

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