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Storm - Wikipedia


A storm is any disturbed state of an environment or astronomical body's atmosphere especially ... High wind is also the cause of sandstorms in dry climates.

What causes storms? | Reference.com


Storms are formed when the movement of cold and warm air currents creates extreme ... is created at an atmospheric level as warm wet air rushes, causing cold.

Thunderstorm Basics - NSSL The National Severe Storms Laboratory


Many hazardous weather events are associated with thunderstorms. Under the right conditions, rainfall from thunderstorms causes flash flooding, killing more ...

What causes severe storms? - Tornado Titans - Storm Chasing ...


Despite what you may have heard, severe weather does not magically occur with no rhyme or reason. To get severe thunderstorms, you need plenty of lift, ...

Weather -- Powerful Storms - Annenberg Learner


According to the Worldwatch Institute, in 1998 alone, severe weather caused more than 30,000 deaths and close to $90 billion in damage. Hurricanes ravaged  ...

What causes a solar storm? - NASA


when these storms arrive, and forecast their arrival. Statistical data can be used to draw conclusions about cause-and-effect relationships, even though the ...

What causes Severe Weather? - Geoscience Australia


... which has the potential to cause significant damage. Severe thunderstorms produce wind gusts of 90km/h or more, with peak ...

How Do Thunderstorms Form? - Dangerous Weather


Orographic thunderstorms are caused by air that is forced up by a mountain or hillside. Air mass thunderstorms are the result of localized convection in an ...

Causes of tropical storms - Internet Geography - Learn on the Internet


Tropical Storms. Names: Conditions required for formation: Causes of tropical storms: Managing the effects of tropical storms: Case Study: What might the ...

Explainer: what causes winter storms? - The Conversation


Jan 8, 2014 ... The storms which have battered the UK over recent weeks can be traced back to a strong front of contrasting temperature between particularly ...

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.
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Thunderstorms - Weather Wiz Kids weather information for kids


A thunderstorm is a storm with lightning and thunder. ... Since opposites attract, that causes a positive charge to build up on the ground beneath the cloud.

What causes thunderstorms?


Nov 28, 2010 ... Brief, simplified description of what causes thunderstorms.

Weather Basics (Stormsurf)


When the warm air is forced up, it causes surface air pressure to drop, sort of like ... In the north hemisphere, wind rotates counter-clockwise around a storm ...