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EF1 tornado in Lafourche Parish, Louisiana

Tornado April 22, 2018 · Lafourche Parish, Louisiana

EF1
Rating
0.9 mi
Path length
30 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 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

The EF-1 tornado touched down near the intersection of Old Safari Heights and Louisiana Highway 3235, where it tore the roof off of a business housed in a double-wide manufactured home. It also tore fascia off of a drive-in restaurant. It turned 2 vehicles in the parking lot and tossed one small car approximately 15 feet into a field. From there it moved east-northeast toward Main Street. As it approached Main Street, it broke several large limbs from hardwood trees, and tore the car port off of a home. Metal roof covering was also peeled back from a home. As the tornado moved across Bayou Lafourche, it turned more toward the northeast and caused shingle damage to one home. It then turned more toward the southeast, and caused damage to trees and a few power poles. The storm lifted as it neared the South Lafourche High School Football Stadium. Maximum winds were estimated at 100 mph, with a path length near 1 mile and a path width of 30 yards.

The wider storm

A cold front moved across southeast Louisiana during the morning hours of the 22nd. The thunderstorms associated with the cold front produced at least one tornado near Galliano.

Began near Galliano (29.4650, -90.3226).

Source: NOAA Storm Events Database, event 743020. Narratives are written by the National Weather Service forecast office that issued the report.

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