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EF1 tornado in Richmond County, New York

Tornado August 8, 2007 · Richmond County, New York

EF1

Rating

1.9 mi

Path length

50 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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 first tornado touchdown was in Staten Island at approximately

6:22 am in the vicinity of St. Austins Place in the Livingston-Randall Manor area. The tornado moved east, with additional damage occurring in the Tompkinsville area. Most of the damage in Staten Island was to trees, and estimated at EF-1 on the Enhanced Fujita Scale, with winds of 86 to 100 mph.

Based on re-analysis of radar data, the Staten Island tornado apparently dissipated as a second circulation developed just north of the first circulation. The damage in Tompkinsville may be a result of this second circulation.

The wider storm

An approaching cold font, interacting with energy aloft, produced numerous thunderstorms, including one which produced two tornadoes across Southern New York City, and later produced wind damage in Nassau County. In addition, the storms produced copious amounts of rainfall which caused widespread significant flash flooding in New York City, including several subway lines, and Long Island.

Began near Castleton Corners (40.6270, -74.1078).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF2 Kings County

Source: NOAA Storm Events Database, event 57491. Narratives are written by the National Weather Service forecast office that issued the report.

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