Atmospheric Fronts - Introduction

  • Front - boundary, transition zone between two different air masses
  • the two air masses have different densities. Frequently, they are characterized by different temperatures and moisture contents
  • front has horizontal and vertical extent
  • frontal boundary/zone can be 1-100 km wide!!
  • types of synoptic-scale fronts:
    • stationary fronts
    • cold fronts
    • warm fronts
    • occluded fronts