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EF1 tornado in Lonoke County, Arkansas

Tornado January 11, 2020 · Lonoke County, Arkansas

EF1
Rating
0.4 mi
Path length
130 yd
Path width
$40K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 130 yards (0.07 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

Part of a grain bin was blown in. Several power poles were snapped. A house sustained roof damage. A storage shed set into the ground with concrete was blown up and out of the ground about 100 feet. It ended up in several large trees and was completely destroyed. Part of the roof of a metal barn was peeled back.

The wider storm

The month started off with a bang on the 10th. It felt like spring in Arkansas, with high temperatures in the 60s to lower 70s. As the day began, a powerful storm system was looming to the west in New Mexico. Moisture levels were on the rise ahead of the system. It was a perfect setup for severe weather and flash flooding.

By late afternoon and into the overnight hours/early on the 11th, a massive damaging wind episode unfolded. Wind gusts from 60 to 90 mph pounded parts of the state. Trees and/or power lines were downed at Yellville (Marion County), Henderson (Baxter County), Elizabeth (Fulton County), Melbourne (Izard County), Leslie (Searcy County), a few miles west of Arkadelphia (Clark County), Malvern (Hot Spring County), Judsonia (White County), Fordyce (Dallas County), Pine Bluff (Jefferson County), Cotton Plant (Woodruff County), Monticello (Drew County), St. Charles (Arkansas County), and Watson (Desha County). Some fallen trees landed on homes. Wind recording equipment measured a 74 mph gust at Fargo (Monroe County), and a 71 mph gust at the University of Arkansas at Monticello (Drew County).

There were also isolated tornadoes. At 740 pm CST on the 10th, a tornado (rated EF2) was spawned southwest of Midway (Logan County). The tornado cut close to a fourteen mile path before dissipating northeast of Scranton (Logan County).

Nine other mostly weak tornadoes (eight rated EF1/one rated EF2) were confirmed across the state through the wee hours of the 11th. Two of these tornadoes were in the Little Rock County Warning Area near Seaton (Lonoke County) and Jerome (Drew County). The former tornado blew in a grain bin and tossed a shed into nearby trees. The latter tornado mangled a silo. Trees were uprooted or snapped, and utility poles were taken out.

A few places reported sleet or snow on the back side of the system.

Began near Seaton (34.6013, -91.8024).

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 873191. Narratives are written by the National Weather Service forecast office that issued the report.

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