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• A boundary or transition zone between two air masses of different density, and thus (usually) of different temperature. A moving front is named according to the advancing air mass, e.g., cold front if colder air is advancing.

  NOAA National Weather Service - Cite This Source - This Definition
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  Cite Definition for front

  American Psychological Association (APA)

  front. (n.d.). National Weather Service Glossary. Retrieved March 24, 2023, from website: http://www.expertglossary.com/definition/front.

  Chicago Manual of Style (CMS)

  front. www.weather.gov. National Weather Service Glossary. NOAA National Weather Service. http://www.expertglossary.com/definition/front (accessed: March 24, 2023).

  Modern Language Association (MLA)

  "front." National Weather Service Glossary. NOAA National Weather Service. 24 March. 2023 http://www.expertglossary.com/definition/front.

• Browse Related Terms: A AMS, C AMS, CAD, Cold Air Avalanche, Cold Air Dam, Cold Air Damming (CAD), cold front, Continental Air Mass, Effective Topography, Extratropical, front, K AMS, Marine Push, Maritime Air Mass, Maritime Polar Air Mass, Maritime Tropical Air Mass, Orographic Precipitation, Polar Front, Specific Humidity, Upslope Fog, Vortex, Warm front

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