There is no front; tornadoes form for a variety of complex reasons, but usually in the most dynamic part of a cyclone before the cold front but after the warm front. They require plenty of moisture as well as instability and wind shear throughout the troposphere.
Stationary Front
Warm climates .
stationary
stationary front
cold front
Stationary Front
Warm climates .
When a tornado forms it often produces a funnel cloud.
The cloud that forms the visible part of a tornado is called a funnel cloud.
Tornadoes are a product of severe thunderstorms. Most tornado come from a specific type of thunderstorm called a supercell.
Fast air. Really, really fast air.
It's not a front. A front is a line-shaped boundary separating 2 different air masses. A tornado is a small but violent whirlwind. They're two completely separate weather features.
It is a tornado and a hurricane
Tornadoes are spawned by cumulonimbus clouds, which are multi-level clouds.
stationary
stationary
stationary