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Air Masses, Fronts, Storms and Pressure Systems. A Full Video
Weather Fronts
The big chill: what is a cold front? - Social Media Blog - Bureau
Fronts CK-12 Foundation
fronts
What is a cold front and why does it do so much damage? - ABC News
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What are Weather Fronts? Warm Front, Cold front?
8. Air Masses and Fronts