Of these, tornadoes have the shortest duration.
In the United States, it is severe if there is hail larger than 1" in diameter, wind gusts greater than 58 mph, or a tornado.
Storms of all kinds are generally associated with low pressure.
A tornado warned storm is a thunderstorm for which a tornado warning has been issued, meaning that the storm is producing rotation that can spawn a tornado.
A tornado comes from a type of storm called a rotating thunderstorm, but is not a storm, itself.
The rotating updraft within a thunderstorm, known as a mesocyclone, is responsible for creating the conditions that can lead to a tornado. When this rotating air column tightens and extends to the ground, it can form a tornado.
A thunderstorm will cause a tornado. The thunderstorm clouds are the Cumulonimbus clouds. The majority of thunderstorms that produce tornadoes are in a special class called supercells. These are the most powerful thunderstorms on earth and are noted for having a rotating updraft called a mesocyclone.
A tornado is a violent microscale circulation with a low pressure center and forms from a thunderstorm.
The air inside a tornadic thunderstorm (a storm that produces a tornado) does spin. But it is that spinning air that causes the tornado, rather than the tornado starting the air spinning.
Tornadoes usually form from a kind of thunderstorm called a supercell.
Tornadoes are most often associated with a kind of thunderstorm called a supercell.
No. A tornado is a very intense kind of whirlwind but most whirlwinds are not tornadoes. By definition a tornado is associated with a thunderstorm and connects to both the ground and the cloud base.
A tornado/thunderstorm watch means that weather conditions are good for tornado/thunderstorm. A tornado/thunderstorm warning, however, means that conditions are extreme and a thunderstorm or tornado is likely. Conditions for either storm are very good at this stage.
a tornado is formed by a thunderstorm
A tornado descends from the base of a thunderstorm.
Tornadoes are most often produced by a kind of thunderstorm called a supercell.
Hurricanes themselves are much larger than any thunderstorm or tornado.