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18 sie 2021 · What are the Signs of a Tornado ? How do you know when a tornado is forming or approaching? Other than obviously seeing one, here are 10 signs that a tornado may be imminent: (UPDATED) Cloud Base. 1. The Cloud Base is actually and consistently rotating (EVEN IF SLOWLY).
29 sie 2019 · Learn how tornadoes form, how they are rated, and the country where the most intense tornadoes occur. Subscribe: http://bit.ly/NatGeoSubscribe...more. Rare Footage of Some of the World's Worst...
Learn what a tornado is, where and when it occurs, how it is rated, and how to identify its signs. Find out the difference between a watch and a warning, and what to do when a tornado approaches.
28 sie 2019 · Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms.
26 kwi 2021 · "The most telltale sign that a tornado could be forming, when you are looking at a close-range severe thunderstorm, is the 'wall cloud,'" says Miller.
A tornado can form in a thunderstorm where the rotating air of an updraft (shown in purple) meets the rotating air of a downdraft (shown in aqua), which has turned upward. Tornadoes only form when a thunderstorm has a particular combination of winds.
Tornado Formation of its wall cloud from a Mesocyclone. As the mesocyclone lowers below the cloud base, it begins to take in cool, moist air from the downdraft region of the storm. The convergence of warm air in the updraft and cool air causes a rotating wall cloud to form.
