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EF2 tornado in De Soto Parish, Louisiana

Tornado April 26, 2011 · De Soto Parish, Louisiana

EF2
Rating
42.4 mi
Whole path
850 yd
Path width
2
Injuries
$10.0M
Damage as recorded

NOAA records this tornado county by county. Its path ran through Panola County, Texas → De Soto Parish → Caddo Parish → Bossier Parish; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 850 yards (0.48 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 was a continuation of the tornado which first touched down in eastern Panola County, Texas. This tornado then moved across the state line into western De Soto Parish where it mostly exhibited EF0 to EF1 type damage. A few locations near Keachi, Longstreet and Frierson exhibited low end EF2 damage. Trees were snapped and uprooted'as many as 3 dozen homes sustained minor damage'with a few moderately damaged homes where carports were peeled back or trees fell on them. Several barns were knocked over or destroyed as well. The heaviest damage was located in the community of Frierson where widespread tree damage occurred and the tornado was at its widest point. Other damage along and just south of the tornado track is related to rear flank downdraft otherwise known as straight line winds. The tornado tracked into De Soto Parish across Belle Bower Texas Line Road'State Route 3015 where trees were snapped off 4 to 6 feet off the ground and 2 tanks from a gas well were overturned. The tornado continued northeast crossing State Route 5 between Keachi and Longstreet'then crossed Smyrna Road knocking over trees onto and around homes. The tornado crossed hwy 171 south of the hwy 5 and 171 intersection and followed along Jessie Lattin where a several homes were damaged and barns destroyed. The storm continued northeast crossing I49 where Red Bluff road crosses under. Numerous trees were downed and increased in coverage as the storm moved into Frierson. The tornado then entered southeast Caddo Parish. Maximum winds are estimated at 110 - 115 mph.

The wider storm

A very volatile atmosphere developed during the late afternoon...evening and overnight hours of April 26th across the Four State Region. An area of low pressure moved from the Texas Hill Country into Northeast Texas during the afternoon. Meanwhile, a warm front had moved northward from central Louisiana and was oriented west to east near the Arkansas/Louisiana state line. A dry line had moved just east of the I-35 corridor of North Central Texas and a strong cold front trailed the dry line. Very strong speed and directional shear was noted in the low and mid levels of the atmosphere such that supercells developed. Many of these produced tornadoes across the region. Other storms produced strong straight line wind gusts with bowing segments and large hail.

Began near Longstreet (32.1088, -94.0425).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 291145. Narratives are written by the National Weather Service forecast office that issued the report.

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