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EF2 tornado in Marshall County, Alabama

Tornado April 12, 2020 · Marshall County, Alabama

EF2
Rating
21.7 mi
Whole path
440 yd
Path width
3
Injuries

NOAA records this tornado county by county. Its path ran through Blount County → Etowah County → Marshall County → Dekalb County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 440 yards (0.25 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

The tornado continued from Etowah County west of Highway 431, south of Denson Avenue. It quickly intensified to its peak strength as it crossed Highway 431 and plowed through a neighborhood north of Roden Road. Nearly every single home (dozens) in this neighborhood experienced some degree of damage. The most intense damage was noted from two separate single family homes. The first home, with the most devastating damage, was completely destroyed and was mostly taken off its foundation with only two small interior rooms remaining, where the residents took shelter. It was noted however that the anchorage system for the home appeared to be non-existent with no bolts observed to the foundation crawl space piers. The second heavily damaged home on Lee Avenue, experienced a collapse of exterior walls, likely occurring after the roof was taken off. The tornado continued on an east to northeast track across and along Bethsaida Road causing numerous trees to snapped or be uprooted. Several houses appeared to have had shingle roof damage. The tornado continued into DeKalb County.

The wider storm

Heavy rainfall occurred across the entire NWS Huntsville County Warning area, as well as damage from thunderstorm winds and a few tornadoes.

While heavy rainfall reports were spread out across the CWFA, the most significant flash flooding occurred in Fort Payne and surrounding areas in Northeast Alabama.

Intense rainfall of 6-6.5 inches fell in DeKalb County along Big Wills Creek.

A new Flood of Record crest of 17.94 feet occurred, surpassing the old Flood of Record (14.36) by a whopping 3.5 feet! More than 50 roads were shut down, with extensive flooding that occurred on Hwy 35 leading up to the Hwy 35/I459 interchange.

Began near Boaz (34.1891, -86.1505).

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 886306. Narratives are written by the National Weather Service forecast office that issued the report.

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