The National Weather Service counts at least eight tornadoes that hit Mississippi Monday.
Survey teams conclude storm damage was caused by twisters in Claiborne, Copiah, Covington, Forrest, Jefferson, Lamar, Lincoln, Pike, Simpson and Walthall counties.
The strongest storm, rated EF-2 on the enhanced Fujita scale, hit near Mount Olive, with top winds estimated at 113 mph. It damaged structures near U.S. 49, with a path 300 yards wide and 4.2 miles long.
The next two strongest storms, with winds above 100 mph, hit near Pinola and Mendenhall and near Purvis.
At least 19 tornadoes have been counted so far in Mississippi, Louisiana, Alabama and Georgia. Surveyors continue examining damage in Mississippi.
A storm that killed four people in southeast Alabama is being classified not as a tornado, but thunderstorm winds.