Weather

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Across
  1. 2. the belt around the Earth near the equator where sailing ships sometimes get stuck on windless waters.
  2. 5. line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.
  3. 6. front,the boundary of an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system.
  4. 9. winds, winds that reliably blow east to west just north and south of the equator
  5. 10. storm with a violent wind, in particular a tropical cyclone
  6. 12. winds from the west toward the east
Down
  1. 1. concentration of water vapor present in the air
  2. 3. severe snowstorm with high winds and low visibility.
  3. 4. mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.
  4. 7. point, the atmospheric temperature (varying according to pressure and humidity) below which water droplets begin to condense and dew can form.
  5. 8. winds from the west
  6. 11. pressure, the force exerted on a surface by the air above it as gravity pulls it to Earth