Definition
A weather system where a mass of cold air advances and replaces warmer air, typically bringing sudden temperature drops, wind, and precipitation. It's a key feature in meteorology and often marks the boundary between two air masses of different temperatures.
Example Usage
The cold front moving through the region overnight will drop temperatures by 20 degrees Fahrenheit.
Origin
From the military term 'front' (a line of contact), adopted by meteorologists in the early 20th century.
Fun Fact
Cold fronts move faster than warm fronts and typically cause more violent weather, including thunderstorms and tornadoes.
Source: Definition backfill (hailey)
Related Terms
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