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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.


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.


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


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


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.


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 ...


Thunderstorms form when an air mass becomes unstable (when air in the lowest ... making it warmer than its environment, which causes it to rise even farther.

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 ...


Oct 6, 2016 ... WATCH: Hurricanes are massive storms with deadly force. Find out how they form, and what's being done to better predict their impact.