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EF0 tornado in Cass County, Texas

Tornado April 9, 2009 · Cass County, Texas

EF0

Rating

3.8 mi

Path length

75 yd

Path width

$50K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 storm developed along CR 4670, about 5 miles northeast of Bivins, at around 8:41 pm. Numerous trees were snapped or blown down as the storm continued east to Highway 77, about a mile from the Texas/Arkansas/Louisiana state line, before lifting around 8:47 pm. This tornado was rated an EF0, with winds around 75 mph. The path length was 2.4 miles, with a path width of 75 yards.

The wider storm

A strong upper level storm system along with a surface dry line/front

over northeast Texas moved east during the evening hours of April 9th into the early morning hours of April 10th causing long lived supercell thunderstorms. These thunderstorms caused long track tornadoes to occur across southeast Oklahoma, southwest Arkansas, northeast Texas, and north Louisiana.

Began near Huffins (33.0480, -94.1163).

Other tornadoes from the same storm system

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

EF2 Harrison County EF2 Cass County EF1 Morris County EF1 Harrison County

Source: NOAA Storm Events Database, event 154463. Narratives are written by the National Weather Service forecast office that issued the report.

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