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15 November 2009
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WeatherWise - Glossary


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
L
  Lapse Rate: The rate at which air temperature decreases with existing altitude.
  Latitude: Position on the Earth's surface north or south of the equator.
  Lee: The side of a mountain, hillside, or island that is facing away from the prevailing wind.
  Lightning: Discharge of static electricity in the atmosphere, usually between the ground and a storm cloud.
  Longitude: Position on the Earth's surface east or west of the Greenwich meridian.
  Low: Also called a 'depression' - this region of low pressure can mean wet weather - it is the opposite of 'high' pressure or 'anticyclone'.



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