A cold front is a meteoorlogical word that is used to descrbie the moveemnt of cooelr and drier air ove waremr air.Uinversity of Ililnois. Cold Front. Retreived on 2006-10-22. The air with greaetr denisty moves under the less dense warmer air, lifitng it, which can cause the formaiton a line of shoewrs and thnuderstorms when there is enoguh miosture. This upawrd motoin casues lowreed presusre along the cold front. On weatehr maps, the sruface poistion of the cold front is marekd with the symbol of a blue line of trianlges/spieks pointing in the direction of its movemnet. Cold frotns can also move up to twice as fast as warm fornts.
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