EF2 tornado in Grant Parish, Louisiana
Tornado October 31, 2018 · Grant Parish, Louisiana
NOAA records this tornado county by county. Its path ran through Rapides Parish → Grant Parish → La Salle Parish; the totals above are for the whole tornado.
The path drawn at its surveyed width of 200 yards (0.11 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.
What the National Weather Service wrote
An EF-2 tornado with maximum estimated winds near 134 mph continued on the ground from Northern Rapides Parish into Southeast Grant Parish, where numerous trees were snapped or uprooted along Clear Creek Road and Barney Durand Road. A vehicle trailer was picked up and pushed around a downed tree on Barney Durand Road as well. The tornado tracked northeast to Dug Leckie Road, where a mobile home with two adults and five children was destroyed. Two of these family members suffered minor injuries. The mobile home itself was anchored into the ground with two foot anchors, but no concrete reinforcement. It was lifted out of the ground and flipped, moving approximately 20 yards. The iron frame of the mobile home was ripped off and thrown a couple hundred yards. Additional homes were damaged and trees snapped or uprooted on Hardwater Lake Road near Spur 89 Road, before the tornado moved into Southwest La Salle Parish.
The wider storm
An upper level trough amplified during the daytime hours of October 31st across much of the Plains and Southern Rockies, which reinforced a strong cold front southeast into the Southern Plains. Ahead of this front and accompanying trough, above normal temperatures ranging from the mid 70s to lower 80s coupled with increased low level moisture resulted in a moderately unstable air mass during the afternoon. The pressure gradient tightened across the warm sector which expanded across much of the Ark-La-Tex, well ahead of the front as surface low pressure intensified along the frontal surface over North Texas. This enhanced wind shear as the front advanced east across much of Texas and Southeast Oklahoma, with large scale forcing ahead of the trough contributing to scattered shower and thunderstorm development during the afternoon over Southeast Oklahoma, Southwest Arkansas, and Central Texas. Some of these storms became severe of portions of Southwest Arkansas and extreme Northeast Texas, with a squall line developing farther west over Central Texas by mid and late afternoon, which quickly advanced east across much of East Texas and North Louisiana during the late afternoon and evening hours. Several reports of wind damage which downed trees and power lines were received across East Texas and Northwest Louisiana. This squall line weakened as it progressed east across Northcentral Louisiana, but a discrete supercell thunderstorm developed out ahead of the main line over Southwest Rapides Parish Louisiana, and spawned a nearly 40 mile long track tornado that remained on the ground from just southwest of Alexandria and across Southeast Grant and Central La Salle Parishes just prior to and shortly after midnight on November 1st. These storms quickly exited the southeast sections of Northcentral Louisiana by 2 am on the 1st, but not before spawning additional tornadoes and widespread wind damage across much of Mississippi.
Began near Fishville (31.4495, -92.3464).
Source: NOAA Storm Events Database, event 785294. Narratives are written by the National Weather Service forecast office that issued the report.
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