EF1 tornado in Lycoming County, Pennsylvania

Tornado May 26, 2011 · Lycoming County, Pennsylvania

EF1

Rating

5.6 mi

Path length

150 yd

Path width

$8K

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 NWS survey team confirmed that a tornado occurred during the evening of May 26th near Slate Run in Lycoming County. The tornado touched down about 1.5 miles south-southwest of Slate Run near State Route 414 and moved northeast through Slate Run to about one half mile south of Cedar Run near Pine Creek. About 400 trees were damaged or destroyed and several seasonal homes were affected by the downed trees. Additionally, there were multiple trees down throughout the area as a result of straight line winds from the thunderstorm. Damage indicators implied winds around 100 mph. There were no injuries or fatalities.

The wider storm

A significant severe weather outbreak occurred across central Pennsylvania during the afternoon and evening hours on 26 May 2011. A total of 6 tornadoes were confirmed ranging from EF0-EF2 in magnitude with multiple reports of large hail and damaging thunderstorm winds. Flash flooding was also reported with Franklin County with these storms.

Began near Slate Run (41.4523, -77.5125).

Other tornadoes from the same storm system

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

EF1 Franklin County EF1 Cumberland County EF1 Perry County EF1 Lycoming County EF1 Schuylkill County

Source: NOAA Storm Events Database, event 295518. Narratives are written by the National Weather Service forecast office that issued the report.

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