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The action of warm air rising and cold air sinking (convection) plays a key role in the formation of severe thunderstorms. If the warm surface air is forced to rise, it will continue to rise, because it is less dense than the surrounding air.
Two of the most important ingredients for thunderstorm formation are instability (unstable air) and moisture.

Storm - Wikipedia


A storm is any disturbed state of an environment or astronomical body's atmosphere especially .... Storms do not only occur on Earth; other planetary bodies with a sufficient atmosphere (gas gia...

How Do Thunderstorms Form? - Dangerous Weather


Storm Impacts | Lightning Impacts | Storm Stories | How Thunderstorms Form How Lightning Forms | Activities | Storm Safety ...

How do storms form? | Reference.com


Storms form when warm, moisture-laden air rises rapidly into the atmosphere. As the air rises, it cools and the moisture condenses, falling back to Earth as ...

Thunderstorm Basics - NSSL The National Severe Storms Laboratory


What we do: Read more about NSSL's thunderstorm research here. ... Thunderstorms frequently occur in the late afternoon and at night in the Plains states.

www.ask.com/youtube?q=How Do Storms Form?&v=Xou6-iwfeNk
Oct 23, 2012 ... You can often hear them before you see them -- thunderstorms. Joe Calhoun explains what makes these power storms form.

How do Hurricanes Form? | Precipitation Education


Hurricanes are the most awesome, violent storms on Earth. People call these ... Whatever they are called, tropical cyclones all form the same way.This website ...

Thunderstorms - Weather Wiz Kids weather information for kids


It is estimated that there are around 1,800 thunderstorms that occur across ... then lightning could be present, but the best thing you can do is to listen for thunder.

Explain hurricanes to kids: How do storms form and what damage ...


Jun 6, 2016 ... A hurricane is a large rotating storm with high speeds of wind that gust at least 74 mph that forms over warm waters in tropical areas.

What causes thunderstorms?


Nov 28, 2010 ... Thunderstorms form when an air mass becomes so unstable that it overturns ( convects) violently. "Unstable" means that the air in the lowest ...