Frontal Systems
• Frontal systems form along the boundaries between
colliding air masses of contrasting properties.
• Cold fronts and warm fronts are associated with the
interaction of continental polar and maritime tropical air
masses over the central U.S.
• Heavy rainfall, decreasing temperatures, decreasing
humidity, and changing wind directions are associated with
passage of a cold front.
• Light to moderate rain, warmer temperatures, increasing
humidity, and changing wind directions follow passage of a
warm front.
• An occluded front form
Frontal Systems• Frontal systems form along the boundaries betweencolliding air masses of contrasting properties.• Cold fronts and warm fronts are associated with theinteraction of continental polar and maritime tropical airmasses over the central U.S.• Heavy rainfall, decreasing temperatures, decreasinghumidity, and changing wind directions are associated withpassage of a cold front.• Light to moderate rain, warmer temperatures, increasinghumidity, and changing wind directions follow passage of awarm front.• An occluded front form
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