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EF1 tornado in Dekalb County, Alabama

Tornado April 12, 2020 · Dekalb County, Alabama

EF1
Rating
7.5 mi
Whole path
154 yd
Path width
$700K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Dekalb County → Dade County, Georgia; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 154 yards (0.09 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

The tornado touched down one-half mile to the west of Shiloh Community Church, damaging a barn. The tornado moved eastward along County Road 814 approaching the community of Shiloh. The greatest structural damage occurred at the church, with large sections of roof being damaged, and the walkway covering being removed from the church. At this point the tornado was at its widest. The tornado continued moving to the east toward the Alabama/Georgia state line. Along the path, relatively minor damage occurred to several mobile homes, peeling back metal from the roofs, and snapping both hardwood and softwood trees. The tornado further strengthened and became larger in size after it crossed into Dade County Georgia.

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 Ider (34.8349, -85.6120).

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 886312. Narratives are written by the National Weather Service forecast office that issued the report.

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