Tornadoes want significantly intense or unseasonable warmth to develop. As the bottom temperature will increase, moist air heats and begins to rise.
When this moist, heat air meets dry, chilly air above, a thunder cloud begins to construct.
This cloud can develop shortly, bringing with it rain, thunder and lightning.
Winds blowing from completely different instructions trigger the air to rotate, after which a visual cone or funnel drops out of the cloud in direction of the bottom.
Tornadoes could be lots of of metres extensive. They’ll final anyplace from a number of seconds to greater than an hour, and may journey dozens of miles.
The Fujita scale is used to find out how highly effective a twister is. The very best on the dimensions – an F5 – is used to classify tornadoes travelling at as much as 318mph (511km/h).
These tornadoes could cause unbelievable injury, with the ability to throw away automobiles and sweep away robust buildings.
