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EF0 tornado in La Salle Parish, Louisiana

Tornado April 25, 2019 · La Salle Parish, Louisiana

EF0
Rating
8.8 mi
Path length
700 yd
Path width
$350K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 700 yards (0.40 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

An EF-2 tornado with maximum estimated winds near 125 mph touched down near the intersection of June Lane and Searcy Eden Road, where it uprooted and snapped some trees and then proceeded northeast. The tornado paralleled Searcy Eden Road to LA Highway 500, where it uprooted and snapped several trees along its path. Just before reaching LA Highway 500, the tornado strengthened to its strongest where it tore off the right half of the roof of a well-constructed home and completely destroyed its carport. The tornado weakened slightly as it crossed LA Highway 500 where it uprooted and snapped numerous trees, some of which fell on a number of mobile homes. The tornado continued northeast where it crossed Highway 84 uprooting several more trees. It then weakened further while it paralleled Zimmer Creek Road and Parish Road 285. Additional tree damage was noted across these areas, but was more widely scattered in nature. The tornado crossed LA Highway 127 just south of the community of Summerville where it uprooted a few more trees, including one that fell onto the Summerville Baptist Church before it lifted just south of LA Highway 503 east of Summerville. The church steeple was also blown off.

One home was destroyed by the tornado and seven homes suffered minor damage. In addition, four mobile homes were destroyed and three mobile homes suffered minor damage.

The wider storm

A strong closed upper level low pressure system advanced east across Central Texas during the evening hours of April 24th, which helped to mix a warm front north into portions of Deep East Texas and Northcentral Louisiana. As a result, warm, moist, and unstable air began to build north along and south of the front, as steepening lapse rates aloft spread east along the axis of increasing large scale forcing ahead of the low. This resulted in an increase in scattered to numerous showers and thunderstorms near and south of the warm front from the late evening hours of the 24th through the early morning hours of the 25th across East Texas and North Louisiana. Coupled with the strong wind shear present across the expanding warm sector, several supercell thunderstorms developed, with one supercell spawning six separate tornadoes from San Augustine Texas northeast to Eastern Union Parish Louisiana, directly impacting the cities of San Augustine Texas and Ruston Louisiana along its 150+ mile track across the NWS Shreveport County Warning Area. In fact, this supercell spawned another tornado across Northwest Morehouse and Southern Ashley County Arkansas, to complete its nearly 180 mile track before dissipating. Other isolated supercells developed near and south of the warm front which spawned tornadoes across Northern Caddo Parish and Central La Salle Parish in Northern Louisiana, with other severe thunderstorms producing damaging winds across portions of Northcentral Louisiana as well, before the storms exited the region around daybreak on the 25th.

Began near Eden (31.6716, -92.2606).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 816594. Narratives are written by the National Weather Service forecast office that issued the report.

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