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A storm is any disturbed state of an environment or astronomical body's atmosphere especially ... European windstorms and derechos are two type of windstorms. High Wind is also the cause of Dust...

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.

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 ...

What causes Severe Weather? - Geoscience Australia


On the largest scale severe storms are associated with the low pressure ... and heavy rain over large areas, causing local flash flooding and riverine flooding.

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  ...

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 ...

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 ...

www.ask.com/youtube?q=What Causes Storms?&v=CW_SKUtIRc0
Nov 8, 2013 ... The Philippines are hit by more than 20 tropical storms a year, says the BBC's Jay Wynne. At least three or four turn into typhoons. But why is ...
www.ask.com/youtube?q=What Causes Storms?&v=kJBsaTVsb3Q
Jun 27, 2013 ... Several times of years in and around Phoenix we see dust storms, also know as haboobs. The Weather Channel's Mark Elliot explains how ...
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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What causes storms? - Ask.com


Storms are formed when the movement of cold and warm air currents creates extreme air pressure difference. Extreme air pressure is created at an atmospheric ...

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 ...

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 ...