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EF2 tornado in Jay County, Indiana

Tornado November 5, 2017 · Jay County, Indiana

EF2
Rating
30.7 mi
Whole path
600 yd
Path width
1
Injury
$90K
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 600 yards (0.34 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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 tornado crossed into Jay county north of W County Road 300 S near Big Lick Creek. Damage was somewhat sporadic from north of Dunkirk to northwest of Portland before the tornado intensified per video footage with indications of multiple vortex development at its peak. Numerous farm structures were severely damaged or destroyed with several homes suffering varying degrees of damage up to loss of a second floor. A manufactured home on N County Road 550 E was picked up and rotated clockwise, then placed back down with part of the house still on the southeast corner of the foundation. A male teenager was in the basement when it occurred but was not injured. The home was treated as a DI of FR12 due to being removed from its trailer and extra reinforcement done to the 2 halves when it was assembled. A man and his son were in a barn when it was struck by the tornado. Several hundred bales of hay fell onto them trapping them until they could find a escape route. They suffered minor injuries and were treated at the scene. The tornado did weaken as it approached and eventually crossed into Mercer County (Ohio) and into the Wilmington Ohio forecast area, north of St Anthony Road. Maximum wind speeds are estimated between 130 and 135 mph.

The wider storm

Warm front provided the focus for morning thunderstorms that eventually turned into a bowing segment across NE IN into NW Ohio. Storms also developed across central Indiana and moved into portions of NE IN and NW Ohio. A cyclic supercell impacted Blackford and Jay county with a long tracked tornado and damage along its track. Flooding issues also occurred in some areas due to training and efficient rain producers.

Began near Dunkirk (40.3977, -85.2066).

Source: NOAA Storm Events Database, event 727463. Narratives are written by the National Weather Service forecast office that issued the report.

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