EF1 tornado in Clark County, Missouri
Tornado June 29, 2023 · Clark County, Missouri
The path drawn at its surveyed width of 30 yards (0.02 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.
What the National Weather Service wrote
A NWS storm survey determined an EF1 tornado, with peak winds near 90 mph, tracked for 2.4 miles from southwest of Medill to just west of Kahoka. Damage to an outbuilding occurred, along with convergent damage to numerous large trees.
The wider storm
On Thursday, June 29, a powerful severe wind event moved over the region. This event was known as a derecho given its long duration from north of Kansas City to southern Indiana and its consistent strong intensity. Almost all of the damage in the area surveyed locally was due to straight-line winds, at times easily peaking between 100-120 mph in far western Illinois. Those who experienced the event conveyed how the strongest winds persisted for 10 to 15 minutes, and in some locations, it lasted as long as 20 minutes, which is atypical for derecho events.
There were some swaths of enhanced damage. These were largely due to intense wind surges in the local area. One of these in Clark county, Mo was determined to be a short-lived EF1 tornado.
Began near Medill (40.4100, -91.7900).
Source: NOAA Storm Events Database, event 1103109. Narratives are written by the National Weather Service forecast office that issued the report.
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