A
storm is any disturbed state of an environment or astronomical body's
atmosphere especially affecting its surface, and strongly implying
severe weather. It may be marked by significant disruptions to normal conditions such as strong
wind,
hail,
thunder and
lightning (a
thunderstorm), heavy
precipitation (
snowstorm, rainstorm), heavy
freezing rain (
ice storm), strong winds (
tropical cyclone, windstorm), or wind transporting some
substance through the
atmosphere as in a
dust storm,
blizzard, sandstorm, etc.
