How they are formed
Warm, moist air near the surface meets cool, dry air aloft.
What is perfect weather for a tornado
Tornadoes are rated from EF0 to EF5 on this scale.
What is the Enhanced Fujita scale?
This tornado forms over water and looks like a funnel.
What is a waterspout?
This spinning part of a storm can lead to a tornado.
What is a mesocyclone?
This term means wind changes speed or direction as you go higher.
What is wind shear?
This tornado is skinny and twisty, often at the end of its life.
What is a rope tornado?
This strong upward movement of air helps tornadoes form.
What is an updraft?
Tornadoes can last from a few minutes to over this long.
What is an hour?
This tornado is very wide and can cause huge damage.
What is a wedge tornado?
This word means the process of a tornado being created.
What is tornadogenesis?
Tornadoes usually move forward at this speed in kilometers per hour.
What is 40 to 50 km/h?
This tornado has smaller spinning parts inside it.
What is a multi-vortex tornado?
This kind of thunderstorm is most likely to produce tornadoes.
What is a supercell?
Tornadoes can be this wide — sometimes over a kilometer across.
Tornadoes can be this wide — sometimes over a kilometer across.
This weak tornado forms over land and looks like a waterspout.
What is a landspout?