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EF1 tornado in Warren County, Mississippi

Tornado May 4, 2021 · Warren County, Mississippi

EF1
Rating
17.7 mi
Whole path
600 yd
Path width
$255K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Madison Parish, Louisiana → Warren County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 600 yards (0.34 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 developed southeast of Tallulah and south of I-20 over open fields and quickly reached EF-1 intensity as it overturned an irrigation pivot south of LA Highway 602. It continued east southeastward snapping several tree limbs and small trees and damaging multiple outbuildings. Two utility poles were snapped near the base along Hodge Rd, and two additional irrigation pivots were overturned east of this location. Trees were snapped along the Mississippi River levee, then the tornado continued across the river into Mississippi. The tornado crossed US 61 near Magnolia Rd and Wilbert Ln, producing mainly tree limb damage with a few trees uprooted or snapped and a carport damaged, then continued eastward across the Dana Rd area. Intensity increased somewhat as the tornado crossed Fisher Ferry Rd and moved along Nailor Rd, with more concentrated tree damage in this area and structural and vehicle damage primarily associated with falling trees and tree limbs. Before reaching Halls Ferry Rd, the tornado began to weaken with damage mainly limited to large tree branches down and uprooted or snapped trees becoming more sporadic. It lifted before reaching Halls Ferry Rd, but strong non-tornadic winds continued east of this location with additional tree damage occurring over a large area. The tornado path length was 17.73 miles. The maximum estimated winds of the tornado was 105 mph, which occurred in Warren County.

The wider storm

An outbreak of severe thunderstorms occurred on May 4th. An initial round of supercell thunderstorms that morning brought several brief tornadoes to the area along with a few instances of damaging winds. The main round of storms occurred during the afternoon in the form of an intense line of storms. Widespread wind damage occurred with embedded swaths of significant damaging winds up to 80 mph. This resulted in numerous downed trees, power lines and infrastructure damage. Seven tornadoes also occurred within the squall line.

Began near Cedars (32.2890, -90.9810).

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 959329. Narratives are written by the National Weather Service forecast office that issued the report.

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