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EF1 tornado in Chenango County, New York

Tornado April 28, 2011 · Chenango County, New York

EF1
Rating
3.4 mi
Path length
150 yd
Path width
$75K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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 in the early morning hours of April 28 about 4.5 miles south-southeast of McDonough and moved northeast cutting a path through heavy woods. The tornado passed just south of Lake Ludlow where a couple homes where damaged by the storm. The tornado path appeared to be its strongest and widest just south of the lake through the wooded area. It continued to the northeast where the path narrowed again and weakened. The tornado lifted a little less than 2 miles south of east McDonough.

A significant swath of trees were also blown down southwest of the tornado track on Waldron Road. These trees were all pointing to the southeast in a slightly divergent pattern and were associated with a significant downburst of wind.

The wider storm

A significant severe weather outbreak developed across central New York as a storm system moved east from the Great Lakes. First, showers and thunderstorms developed early in the evening on the 27th, as an upper level disturbance approached the region. Two of the more significant storms included one supercell that produced a tornado in Steuben county, and a bowing line segment that caused tree and structural damage across Steuben, Chemung and Schuyler counties. Elsewhere across central New York, storms caused scattered wind damage and heavy rain.

After a brief break in the late evening, mini super cells developed overnight ahead of a cold front. Several tornadoes and severe thunderstorms developed between about 1:30 a.m. and 6 a.m., with many reports of damage. Most of the tornadoes were EF1 and EF2. Significant flash flooding also transpired during the overnight hours.

Began near Smithville Center (42.4355, -75.7333).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 303160. Narratives are written by the National Weather Service forecast office that issued the report.

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