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EF2 tornado in Caldwell Parish, Louisiana

Tornado April 13, 2018 · Caldwell Parish, Louisiana

EF2
Rating
4.1 mi
Path length
340 yd
Path width
$50K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 340 yards (0.19 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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 estimated maximum winds of 110-115 mph touched down just south of Highway 506, snapping and uprooting trees. As the tornado moved to the north northeast, it tore through the Catahoula National Wildlife Refuge, snapping and uprooting numerous trees. Several outbuildings and campsites were severely damaged by falling trees just off of Childress Road. The tornado turned more northeast at Beaucup Road and Childress Road, before lifting just before Goldwing Lane.

The wider storm

A strong upper level trough of low pressure progressed east across the Southern Plains during the afternoon of April 13th, with a large warm sector of warm/humid air having expanded north across much of the Ark-La-Tex. A capping inversion delayed the onset of thunderstorm development until the late afternoon, where it eroded and large scale forcing increased with shortwave perturbations ahead of the trough and along/just ahead of a dry line as it mixed east to the Interstate 35 corridor or North and Central Texas. Given the moderate instability and strong wind shear that developed with the lead shortwave, scattered supercell thunderstorms developed across Northcentral Louisiana during the late afternoon through mid evening hours, producing numerous reports of damaging winds, and several tornadoes/funnel cloud reports. While a lull in the storms was observed, a line of severe thunderstorms developed along the dryline south of the Dallas/Fort Worth Metroplex, and progressed east into East Texas by late evening, and across North Louisiana after midnight on April 14th. Damaging winds and reports of hail were prevalent at first with this line of severe thunderstorms, but a number of notches developed along the squall line as these storms crossed into North Louisiana, resulting in several tornadoes touching down across areas along and north of the Interstate 20 corridor from Shreveport to Monroe. Of particular interest, the initial string of tornadoes first touched down just west of the Texas/Louisiana state line along the Harrison/Panola County line, with this supercell producing two separate tornadoes as it entered Shreveport. In fact, the tornado remained on the ground across much of western and central Shreveport, moving across the northern fringes of the property at the National Weather Service Office before moving across the Queensborough and Allendale neighborhoods and across Downtown Shreveport, before tracking across much of Bossier City along and just north of Interstate 20, crossing Interstate 220, and across the Red Chute and Princeton communities before lifting just west of the Bossier/Webster Parish line. These severe thunderstorms exited North Louisiana just after 3 am on the 14th.

Began near Kelly (32.0150, -92.2693).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 743574. Narratives are written by the National Weather Service forecast office that issued the report.

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