Three of the most-viewed videos today in Oklahoma City are from a unusual weather event that took place this week in nearby Norman, OK Tuesday. Meteorologists are calling the sudden storm a "downburst," which reportedly creates sudden strong winds at ground level.

As you can see in the amateur video below, the storm began with large hail and suddenly shifted to a severe windstorm, warping fences and trees:



A professional crew of storm chasers also caught the event on camera and posted it:



Another angle from a different part of town.