a sign that a tornado has been offically sighted and is on the ground
Look out, this is a sign that weather conditions are right for a possible storm
is a severe storm that occurs offshore over over warm seas that has the ability to become a hurricane
Warrning
a shape of a cloud that projects from the base of a wall cloud that usually turns into a tornad.
Cyclone
a large storm system that has heavy rains and rotating winds
Tropical Storm
Watch
Funnel