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EF0 tornado in Alcorn County, Mississippi

Tornado April 5, 2025 · Alcorn County, Mississippi

EF0
Rating
6.5 mi
Path length
150 yd
Path width
$10K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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

A tornado formed near the intersection of County Roads 409 and 408 and moved northeast. Sporadic uprooted trees were noted south of the Jobes community along County Roads 427 and 400 near Waukomis Lake. Minor tree damage was found farther northeast along County Road 301, with the tornado lifting before reaching Highway 72. Estimated peak winds were 85 mph.

The wider storm

The front eventually sagged south back into the Mid-South during the early morning hours of April 5th. Strong low-level moisture transport into the frontal zone resulted in heavy rain and training storms across northern sections of the Mid-South, mainly north of I-40. A bow echo developed along and just south of the slowly advancing front. This feature crossed the entire forecast area producing 13 tornadoes, including an EF-2, and wind damage. Heavy rain continued through the morning hours with flash flooding increasing across the Mid-South.

The final round of severe weather occurred during the afternoon and evening of April 5th. The slow-moving cold front combined with an increasingly unstable airmass, strong upper-level divergence, and 0-6 km bulk shear values of 50-60 knots provided the ingredients for more severe storms. A QLCS with a bookend vortex pushed into east Arkansas and West TN with a good deal of wind damage. The southern end of the line became more supercellular during the afternoon and evening and produced seven tornadoes, including an EF-2. The combination of continued abundant moisture with precipitable water values greater than 1.75 inches and strong low-level moisture transport into the frontal zone resulted in very heavy rainfall and considerable flash flooding across much of the Mid-South.

The severe weather threat finally wound down by late evening on April 5th with the flash flood threat ending a few hours later. Total rainfall amounts of 10-15 inches occurred across parts of east Arkansas, the Missouri Bootheel, West Tennessee, and extreme northwest Mississippi during this event. This resulted in widespread river flooding for several days following the event.

Began near Biggersville (34.8247, -88.5418).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1257315. Narratives are written by the National Weather Service forecast office that issued the report.

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