National Weather Service investigators confirm two tornadoes in northeast Missouri Wednesday night. The tornado near Maywood is classified as an EF-1 tornado on the enhanced Fujita scale. That means wind speeds between 86 and 110 miles per hour. The tornado at Emden is graded as an EF-0 storm with winds from 65 to 85 miles per hour.

The National Weather Service uses the Enhanced Fujita Scale to classify the strength of tornadoes. The scale is as follows...

Ef-0 65-85mph

Ef-1 86-110 mph

Ef-2 111-135 mph

Ef-3 136-165 mph

Ef-4 166-200 mph

Ef 5 200+