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18 Cards in this Set

  • Front
  • Back
Air pressure
The measure of the force with which air molecules push on a surface
an instrument that measures air pressure
the movement of air from an area of high pressure to an area of low pressure
an instrument that measures air pressure
cold front
caused when a cold air mass overtakes a warm air mass and pushes warm air upward
Cumulonimbus cloud
Type of cumulus cloud that produces thunder storms
small, intense weather system that produces strong winds, heavy rain, thunder and lightning
large electrical discharge that occurs between two oppositely charged surfaces - can be cloud to cloud, cloud to ground, ground to cloud
a small rotating column of air
formed within cumulonimbus clouds that has high wind speeds, low central pressure and touches the ground
funnel cloud
a small rotating column of air formed withing cumulonimbus clouds, but has not touched the ground
Fujita scale (F-Scale)
rates tornado intensity based on damage inflicted on man-made structures and vegetation.
a large rotating tropical weather system that forms over water and has windspeeds of at least 74 km/hr (same as 119 miles/hr
lines that run east to west on a map or globe and measure distance in degrees north or south of the equator
lines that run north to south on a map or globe and measure distances in degrees east or west of the Prime Meridian
a core of warm, relatively calm air with low pressure and light winds found at the center of a hurricane
eye wall
a group of cumulonimbus clouds that surround the eye of a hurricane and produce heavy winds and forceful rains
storm surge
a wall of water that builds up under a hurricane that crashes on to shore and causes most damage
Saffir-Simpson Scale
a 5-point scale used to indicate the strength of a hurricane based on wind speed, storm surge, barometric pressure, and predicted damage