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EF1 tornado in Cortland County, New York

Tornado August 7, 2023 · Cortland County, New York

EF1
Rating
11.1 mi
Whole path
200 yd
Path width
$20K
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 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 tornado touched down near the intersection of Route 38 and Purvis Road in far eastern Tompkins County. It then moved northeastward through a mostly wooded area in Cortland County from Harford to Virgil. The most widespread damage was found along Clute Road where several trees were uprooted and snapped and a large shed/storage building had its roof partially torn off and partially collapsed. The tornado then brought down more trees along a property along Stafford Road before continuing northeastward to West River Road. Several snapped and uprooted trees were observed at residences along this road. The last observed damage was in a wooded area between West River Road and the Tioughnioga River and this is where the tornado lifted.

At the time that the tornado touched down in Tompkins County, it was an EF-0, but it became an EF-1 in Cortland County. The majority of damage occurred in Cortland County.

The wider storm

A tornado outbreak occurred across Central New York during the afternoon and evening hours. Strong shear supported multiple rotating thunderstorms. While damaging wind gusts were a hazard, tornadoes were the main concern. Multiple NWS surveys were performed over a couple of days to confirm a total of five tornadoes. Surveyed damage included downed trees and wires as well as structure damage to multiple residences. Fortunately, no one was injured or killed during these storms.

Began near Harford (42.4620, -76.2568).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1121353. Narratives are written by the National Weather Service forecast office that issued the report.

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