EF1 tornado in Northumberland County, Virginia

Tornado August 4, 2020 · Northumberland County, Virginia

EF1

Rating

15.6 mi

Whole path

500 yd

Path width

Injuries

$3.0M

Damage as recorded

NOAA records this tornado county by county. Its path ran through Lancaster County → Northumberland County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 500 yards (0.28 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, as an EF1, tracked from Lancaster county into Northumberland County near Browns Store Road before lifting just north of Light Street. Mostly trees were snapped or downed in this area.

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 Browns Store (37.8224, -76.4182).

Other tornadoes from the same storm system

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

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

Source: NOAA Storm Events Database, event 913649. Narratives are written by the National Weather Service forecast office that issued the report.

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