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SiouxlandProud.com on MSNConfirmed tornadoes from Monday’s derecho
The National Weather Service in Sioux Falls has confirmed a tornado in Lyon County, Iowa, that occurred during Monday's derecho event.
The second tornado of the evening, rated EF-1, spawned approximately one mile east of Alvord, Iowa, or 11 miles northeast of Inwood. The tornado was not witnessed by storm chasers or law enforcement, ...
Monday’s storm system produced two tornadoes in Gregory County and a third near Alvord, Iowa, in Lyon County, the National ...
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