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EF1 tornado in Bristol County, Massachusetts

Tornado August 18, 2023 · Bristol County, Massachusetts

EF1
Rating
7.6 mi
Path length
80 yd
Path width
$30K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 80 yards (0.05 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 storm that produced the Rhode Island tornado produced a second

tornado as it crossed into Massachusetts, just over the Cumberland

line in North Attleborough.

Many trees were snapped or uprooted on Mendon Road near the

intersection of Monticello Drive. An eyewitness saw swirling

debris before taking shelter in her home. From there, damage was

more sporadic. A home on Mary Ann Way had its third floor window

blown in. Additionally, there were a number of downed or snapped

trees on Lisa Drive. The tornado then lifted briefly before

touching back down in Mansfield along Gilbert Street, where it

sheared several large trees near their tops, one of which fell on

a car. An air conditioning unit, estimated to have weighed 1000

pounds, was knocked over on the roof of a one-story commercial

building.

The wider storm

A high amplitude, negatively tilted trough moving across the Great Lakes and into New England along with cold and warm front provided strong forcing which resulted in flooding, wind damage, and 5 tornadoes. In the warm sector dewpoints surged into the mid 70s with PWATs near 2 inches which led to torrential downpours. Tornadoes occurred in Scotland, Ct, Scituate, RI, North Attleboro, MA, Stoughton, MA, and Weymouth, MA. The tornadoes ranged in intensity from EF-0 to EF-2.

Began near Adamsdale (41.9418, -71.3813).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1120134. Narratives are written by the National Weather Service forecast office that issued the report.

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