EF0 tornado in Montgomery County, Illinois

Tornado July 15, 2020 · Montgomery County, Illinois

EF0

Rating

4.5 mi

Whole path

300 yd

Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 developed about 3 miles north-northwest of Farmersville, Illinois, near the intersection of Rovey Lane and East 1st Road. A few storm chasers captured video of the tornado as it moved northeast and then north toward the Montgomery and Sangamon County line. On video the tornado appeared to be multivortex and violent, yet damage in the St. Louis county warning area was limited to a few broken tree branches, flattened corn and the partial destruction of a small outbuilding. Therefore, it was rated as an EF-0 in Montgomery County with a path length of 3.89 miles and a max path width of 300 yards. The tornado continued north into Sangamon County (WFO Central IL CWA) before lifting and dissipating about 2.4 miles south of Divernon. Overall, the tornado was rated EF0 with a total path length of 4.24 miles and a max path width of 300 yards. No deaths or injuries were reported.

The wider storm

A strong cold front moved through the region triggering showers and storms. Some of the storms produced damaging winds and a couple of tornadoes.

Began near Farmersville (39.4725, -89.6871).

Other tornadoes from the same storm system

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

EF0 Montgomery County EF0 Montgomery County EFU Macoupin County

Source: NOAA Storm Events Database, event 905911. Narratives are written by the National Weather Service forecast office that issued the report.

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