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EF1 tornado in Concordia Parish, Louisiana

Tornado November 1, 2018 · Concordia Parish, Louisiana

EF1
Rating
10.1 mi
Whole path
900 yd
Path width
1
Injury
$310K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Catahoula Parish → Concordia Parish → Catahoula Parish; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 900 yards (0.51 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 touched down near the intersection of Lana Lane and Peachland Lane, where numerous hardwood trees were snapped or uprooted and resulted in minor damage to a single family home and large shed/carport. As the tornado tracked northeastward along Peachland Lane, it caused widespread major damage to a pecan orchard and a few large farm buildings. The owner of the orchard stated that he is facing significant losses to his pecan crop and had to hire temporary help to salvage as much as he can before the beginning of rainy season. From there, the tornado continued northeast through mostly open farmland, eventually crossing Highways 124, 565 and 84, where additional hardwood tree damage was sustained, along with a couple of snapped wooden power poles. The most significant damage occurred with a cluster of homes located north of Highway 84 in the Chevey Chase community, along Loop Road and at the intersection of Gregory and Grisby roads. In this area, two mobile homes sustained significant damage with one well-anchored home being shifted off of its foundation, while another well-anchored home was lifted up and then rolled over on its side. A family was inside the latter home, and one member interviewed by the survey team described a harrowing experience that resulted in another family member fracturing their arm. Other injuries were limited to minor scrapes and bruises. Other single family homes in the area had minor roof damage and significant damage to sheds. The highest rating of high-end EF-1 with an estimated maximum wind speed of 110 mph was based on the mobile home damage, and this was generally consistent with the degree of tree damage along the entire track. While the wooden power poles could technically fit EF-2 strength, their age and integrity did not impress the survey team. The maximum path width of the tornado was 900 yards in Concordia Parish along with the highest wind speeds of 110 mph. Total path length was around 10 miles across Catahoula, Concordia, then back to Catahoula.

The wider storm

A potent storm system for early Fall impacted the region and a line of showers and thunderstorms moved through the ArkLaMiss region ahead of a cold front. A rare combination of instability and wind shear was in place and storms produced tornadoes, along with damaging winds.

Began near Omega (31.5862, -91.8278).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 785545. Narratives are written by the National Weather Service forecast office that issued the report.

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