A wall cloud was spotted in Springfield amid a tornado watch as severe weather alerts were issued across Missouri. Gov. Mike Kehoe declared state of emergency. A wall cloud was spotted in ...

Lightning and heavy rainfall are dangerous ... If the conditions are right, a tornado will form underneath the wall cloud. By the time severe weather hits, it's already too late.

The base cloud where the tornado starts to come down is called a wall cloud. If that rotating ... If you hear thunder, lightning is close enough to be in your vicinity. Do not shelter under ...

(KOIN) — Western Oregon was hit with 180 cloud-to-ground lighting strikes and saw 560 cloud-to cloud lightning flashes ... enough for the NWS to issue a tornado warning for Clackamas and Marion ...