This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

CLEVELAND COUNTY, Okla. – As many Oklahomans were sleeping, officials say residents along the east side of Norman were dealing with a tornado.

On May 20, several tornadoes touched down in the Logan County area before a large tornado was seen on the south side of Mangum. Initial reports indicate that the Mangum tornado had winds up to 212 miles per hour.

After the sun set, the severe weather continued as heavy rain and flooding wreaked havoc on some roads.

In the early morning hours of Tuesday, tornado warnings were issued for storms in Oklahoma and Cleveland counties.

On Tuesday, the National Weather Service announced that it was surveying damage around Norman and determined that an EF-1 tornado touched down along the east side of Norman.

Most of the damage was to trees in the area.