Officials with the National Weather Service made the announcement in a Wednesday evening news conference at their office in North Little Rock.
According to officials, this tornado started West of Ferndale and ended in El Paso. It was on the ground for 41.3 miles and lasted over an hour. This tornado was at maximum strength near Downtown Vilonia.
NWS survey teams revisited a few damage spots in Mayflower and Vilonia earlier today before making the final determination.
Information on the EF-4 rating states that its winds are estimated at 166-200 miles per hour.
The Center Hill tornado in White County was rated an EF-2. It was on the ground for 7.4 miles and lasted 17 minutes.
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