Fronts

Cold front

Cold front

The boundary where a cold air mass pushes out a warmer one. It usually brings showers or storms and, once past, a drop in temperature and clearer skies.

Related terms

Low-pressure system A low-pressure area of unstable air. It generates clouds, rain, wind and changea… Thunderstorm A storm with lightning and thunder, heavy rain, wind gusts and sometimes hail. T…
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