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EF0 tornado in Hamlin County, South Dakota

Tornado May 30, 2022 · Hamlin County, South Dakota

EF0
Rating
0.7 mi
Path length
10 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 10 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

Eyewitness reported a brief tornado touchdown which did only minor damage to a cattle shed.

The wider storm

Storms redeveloped in the late morning, with supercell characteristics across eastern South Dakota producing up to one inch diameter hail and winds of 70 mph, in addition to 6 confirmed tornadoes, one of which was rated EF3. Heavy rain also occurred with this system, with the greatest amount of rainfall measured by a CoCoRaHS observer being 4.69 inches measured near Columbia, and the highest COOP observer report coming out of Milbank with a two day total of 2.86. This heavy rain resulted in flooding in several rural locations but also included parts of Watertown and Aberdeen.

Began near Dempster (44.6316, -96.9869).

Other tornadoes from the same storm system

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

EF3 Deuel CountyEF2 Deuel CountyEF1 Deuel CountyEF1 Grant County

Source: NOAA Storm Events Database, event 1027697. Narratives are written by the National Weather Service forecast office that issued the report.

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