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EF0 tornado in Macoupin County, Illinois

Tornado March 31, 2023 · Macoupin County, Illinois

EF0

Rating

6.3 mi

Whole path

50 yd

Path width

$25K

Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

At 6:47 PM CDT, a weak tornado touched down in northern Macoupin County near the intersection of Waggoner and Boston Chapel Roads. Here the tornado ripped a portion of the roof off of a farm building and threw some of the debris with enough force to embed a plank of wood into the rood of a home. The tornado then traversed a few fields and wooded areas, crossing into Montgomery County at West County Line Road. In Macoupin County, the tornado was rated EF0 with a max wind speed of 74 mph. The path length was 0.85 miles and a max path width of 50 yards.

The wider storm

Ahead of a strong cold front, discrete supercells developed and rapidly moved northeast across the region during the early afternoon. Then as the front moved through the activity became more linear before moving out by late evening. There were numerous reports of large hail, damaging winds and two tornadoes.

Began near Mc Vey (39.3910, -89.7150).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF1 Marion County

Source: NOAA Storm Events Database, event 1087334. Narratives are written by the National Weather Service forecast office that issued the report.

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