Nashville has been under a severe weather warning since approximately 4:00 p.m. on Tuesday. The on-and-off threat of a ...

the shelf cloud does look like a wall. A shelf cloud is NOT a tornado cloud (for the most part). You typically see them on the leading edge of a thunderstorm line segment or squall line.

Felix Castro of the National Weather Service in Hanford said they have seen the funnel cloud that was spotted in north of Merced County that triggered a tornado warning for the Mariposa ...