Spotters described seeing swirling dust and debris at the bottom of a funnel cloud, indicating that a tornado briefly formed.
Additionally, cold core funnel clouds are possible if shear is significant along the cold front.
A funnel cloud is usually visible as a cone-shaped or needle like protuberance from the main cloud base.
According to a resident who lived near where the tornado began, the funnel cloud preceding the tornado developed over the river.
There is some disagreement over the definition of funnel cloud and condensation funnel.
Tornadoes have varied in strength, and some tornadoes have been mostly invisible due to a lack of loose dirt or debris in the funnel cloud.
Eyewitnesses report seeing a small funnel cloud, but the physical evidence is inconclusive.
Although a funnel cloud or tornado indicates a severe thunderstorm, a tornado warning is issued in place of a severe thunderstorm warning.
