EF1 tornado in Northumberland County, Virginia

Tornado August 4, 2020 · Northumberland County, Virginia

EF1

Rating

2.2 mi

Path length

100 yd

Path width

$626K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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

A damage survey conducted by the NWS Wakefield office found a path of storm damage consistent with an EF1 tornado. The tornado moved onshore from the Chesapeake Bay in the town of Fleeton, crossing Fleeton Road where several houses experienced roof and siding damage. In addition, trees were snapped and uprooted. The tornado then crossed over the Wicomico River and then moved back onshore near Timbs Road where trees were uprooted and snapped, and a few houses experienced roof and siding damage. The tornado then moved northward to near Buzzards Point Road, destroying a canopy, before lifting.

The wider storm

The center of Tropical Storm Isaias tracked north just inland of the Middle Atlantic Coast from late Monday night, August 3rd through Tuesday morning, August 4th. Outer bands north and east of the Tropical Storm produced seven tornadoes across portions of eastern and southeast Virginia.

Began near Fleeton (37.8137, -76.2771).

Other tornadoes from the same storm system

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

EF2 Southampton County EF2 Lancaster County EF1 Suffolk (c) County EF1 James City EF1 Gloucester County EF0 Suffolk (c) County

Source: NOAA Storm Events Database, event 913658. Narratives are written by the National Weather Service forecast office that issued the report.

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