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EF1 tornado in Panola County, Texas

Tornado April 26, 2011 · Panola County, Texas

EF1
Rating
13.9 mi
Whole path
100 yd
Path width
$10K
Damage as recorded

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

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 was a continuation of the tornado which moved through northeastern Rusk County and then moved into extreme northwest Panola County. This tornado snapped several trees while in Panola County before crossing Hwy. 43 into extreme southern Harrison County. Winds were estimated at 86-95 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 Tatum (32.3589, -94.4936).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 291096. Narratives are written by the National Weather Service forecast office that issued the report.

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