Thursday, March 4, 2010

Thunder storms by Sam


Dear dude reading this,


Thunder storms are very dangerous and should be taken seriously. They all produce lightning and can occur " singly, in clusters, or in lines". They need moisture and unstable air to form. Thunder storms usually occur in the spring and summer, so beware. When the humid air rises it expands and cools. Then the water vapor condenses and turns into water droplets also known sa clouds. When enough water vapor condenses and turns into water droplets, the clouds let the water droplets go and they fall to Earth in the form of precipitation.
Quick Facts about thunder storms:
-produce heavy rain for 30 minutes to one hour
-can move up to 50 MPH
-need humid conditions
-have warm temperature and dew point
-are made up of cumulonimbus clouds

For more information Click Here
Sincerely,
Sam

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