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EF0 tornado in Shelby County, Alabama

Tornado April 14, 2019 · Shelby County, Alabama

EF0
Rating
6.5 mi
Path length
600 yd
Path width
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 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

National Weather Service meteorologists surveyed damage in Shelby County and determined that it was consistent with an EF0 tornado, with maximum sustained winds near 80 mph. The tornado touched down just northeast of County Road 11 near County Road 36. This area was inaccessible, and the tornado start point was based upon a NEXRAD tornado debris signature from the KBMX radar. The tornado navigated rough terrain across Ivy Branch and into the northwest portion of a subdivision along Reach Crest Road and Reach Crest Drive, where thin tree trunks were snapped and other trees were uprooted. One tree was uprooted and fell onto a sports utility vehicle, damaging the rear door and knocking out the window. A nearby residence suffered notable roof damage resulting in three holes that penetrated the ceiling sheet rock and causing water damage to portions of the second level.

The tornado continued northeast where limited uplift to a roof occurred and a wind turbine ventilator was torn off the roof and found over 20 feet away from the home. Across the street along a narrow drainage basin, the funneling of inflow winds likely caused wind speed acceleration that knocked over a heavy metal outdoor grill, tore a few downspouts from their wall anchoring, and downed some fencing by snapping the support posts and blowing the wood at least 10 feet. Further northeast a small portion of a covered drive suffered some uplift of sheathing at North Shelby Baptist Church, where a few trees were snapped or uprooted near the entrance of Belcher Drive. To the east of Highway 280, multiple trees were snapped or uprooted along a portion of Old Highway 280 road near Salser Lane. The tornado tracked north-northeast of this point through uninhabited and inaccessible areas and then reached the Highland Lakes Subdivision where it crossed Highland Lakes Drive and affected areas along Southledge Road. The majority of damage here was due to snapped or uprooted trees though some minor roof damage was noted to a home along Southledge Road. Further northeast along Southledge Road near Ledge Circle, a home lost some shingles and a portion of a backyard fence was downed due to the winds.

The tornado continued northeast and affected some areas along Highland Lakes Trail,

Springhill Lane, Springhill Court, Mountain Trace, and Watersedge Circle. Nearly all of the damage in this area was to uprooted or snapped trees. One home did lose a window likely due to a falling tree. Further northeast the tornado produced tree damage on portions of Knollwood Drive, Watermill Circle, Highland Lakes Trail, Sandhurst Circle, Grove Park Parkway, and Grove Park Circle. Along Grove Park Parkway there was some roof damage to a home along with minor damage to two signs and one street light along the roadway. The tornado damage was confined to trees as it continued northeastward affecting portions of Milners Lane, Crescent Circle, Milners Way, Milner Road West, Milner Way, Hugh Daniel Drive, and Greystone Cove Drive. The tornado gradually weakened in this area and dissipated shortly before reaching Lake Hardwood Drive.

The wider storm

A very potent storm system moved out of the Southern Plains States and into the Central Gulf Coast Region Saturday and into Sunday morning. This system produced widespread severe weather from Texas to Alabama, including numerous tornadoes. A line of severe storms moved into West Alabama shortly before midnight Saturday night and progressed eastward across all of Central Alabama. The line of storms produced pockets of damaging straight line winds, localized flooding, and several tornadoes.

Began near Simmsville (33.3539, -86.6857).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 820839. Narratives are written by the National Weather Service forecast office that issued the report.

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