Definition: Air masses are a volume of air defined by their temperature and water vapor content.

Continental air masses are mostly dry, maritime air masses are mostly moist and/or dewy.

  • Continental-Tropical low dew points with warm/hot afternoon temperatures and mild night time temperatures.
  • Maritime-Tropical is air from the gulf of Mexico and it results in warm and dewy air masses
  • Continental-Arctic is dry air near the surface and are EXTREMELY cold air masses
  • Continental-Polar dry air near the surface meets with cold air near the surface
  • Maritime-Polar cold air and foggy. Not as moist or dewy
Created By
Eryn Flood

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