CNN's Jake Carpenter

The tornado in Jefferson City, Missouri, has been rated at least EF-3 on the Enhanced Fujita tornado damage scale, indicating maximum winds of 160 mph. This rating could increase as the survey continues, according to an ongoing preliminary damage survey from the National Weather Service.

The tornado touched down at 11:40 p.m. Central Time last night.The path width and length of the tornado has not yet been determined as the survey is still ongoing.

Only about 5% of all tornadoes are rated EF-3 or greater on the scale, which goes from zero (least damage) to five (the highest damage).