They give the Oklahoma tornado a preliminary EF5 rating . It 's already topped 200 mph as it carved a wide path of destruction . Tornado visibility 1.3 miles . CNN senior correspondent : ` Teams are still evaluating the destruction , and the rating released Tuesday is preliminary . ` It 's safe to say this is one of the strongest tornadoes ''
They give the Oklahoma tornado a preliminary EF5 rating . It 's already topped 200 mph as it carved a wide path of destruction . Tornado visibility 1.3 miles . CNN senior correspondent : ` ` It 's safe to say this is one of the strongest tornadoes ''