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EF0 tornado in Allen Parish, Louisiana

Tornado October 22, 2009 · Allen Parish, Louisiana

EF0
Rating
4.8 mi
Whole path
100 yd
Path width
$610K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Jefferson Davis Parish → Allen Parish; 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 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

The large tornado that moved through the town of Elton in Jefferson Davis Parish crossed into Allen Parish. Continuing northward, the tornado caused scattered damage to trees before dissipating north of Clarence Road.

The wider storm

A line of strong to severe thunderstorms developed along a cold front and moved eastward across southwest Louisiana during the late morning and afternoon hours. Ahead of the line, numerous supercells developed across the northern Gulf of Mexico and moved northward across the area. Two of the supercells spawned a total of 6 tornadoes, while several reports of damaging winds were received with the line of storms. All of these storms combined to produce widespread heavy rainfall and flash flooding across the entire area.

Began near Kinder (30.4883, -92.6980).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 200105. Narratives are written by the National Weather Service forecast office that issued the report.

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