The Tennessean says the weather service confirmed the information Thursday.
Two people died in Lincoln County and about 40 homes and an elementary school were destroyed or substantially damaged there. The weather service says two tornadoes struck there, an EF-2 and an EF-3.
An EF-2 was confirmed in Obion County and crossed into Kentucky, an EF-1 in White County and an EF-0 in Shelby County.
The tornado ranking scale ranges from EF-0 with gusts of 65 to 85 mph to EF-5 with gusts of more than 200 mph.