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EF1 tornado in Ascension Parish, Louisiana

Tornado March 26, 2009 · Ascension Parish, Louisiana

EF1

Rating

1.8 mi

Path length

50 yd

Path width

$120K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

A tornado touched down in the St. Amant community. One house was moved off of its foundation and had its roof blown off. A large metal commercial building was heavily damaged. Emergency management officials reported that one structure was destroyed, 10 structures received severe damage, and 20 structures moderate damage. The path length of the tornado was approximately 1.75 miles and the path width 50 yards.

The wider storm

Several episodes of widespread severe weather and heavy rainfall occurred from March 26th through the 28th as a series of strong upper air disturbances impacted the central gulf region as a meandering and nearly stationary frontal boundary drifted back and forth across the area.

Began near Weber City (30.2259, -90.8693).

Other tornadoes from the same storm system

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

EF1 Tangipahoa Parish EF1 St. Tammany Parish EF0 St. Tammany Parish EF0 Livingston Parish

Source: NOAA Storm Events Database, event 160954. Narratives are written by the National Weather Service forecast office that issued the report.

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