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EF0 tornado in Humboldt County, Iowa

Tornado June 26, 2025 · Humboldt County, Iowa

EF0

Rating

2.1 mi

Path length

20 yd

Path width

$5K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 20 yards (0.01 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

Emergency manager provided drone imagery of the tornado path. Tornado developed over a homestead south of LuVerne, resulting in sheet metal damage to out buildings. The tornado continue to the east northeast through cropland.

The wider storm

Much of Iowa was again within the warm and moist sector with temperatures into the mid to upper 80s and dewpoints in the 70s with MLCAPE of 2000-2500 J/kg. Deep layer shear was around 30-40 kts across northern Iowa, diminishing towards central Iowa. As a shortwave trough swung across Minnesota with associated surface low tracking over southern Minnesota to southern Iowa, the attendant cold front swept across the area. As the line of storms pushed across Iowa areas of gusty wind developed, including a gust to 63 mph southwest of the Des Moines and tree damage reported in the metro. A weak tornado also developed briefly in north central Iowa nearer to the surface low with the enhanced vorticity. This tornado resulted in sheet metal damage to an outbuilding and tracked east northeast through cropland.

Began near Brock Ranch Arpt (42.8796, -94.0699).

Source: NOAA Storm Events Database, event 1273398. Narratives are written by the National Weather Service forecast office that issued the report.

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