Fog can occur during a warm front.
"A warm front brings light to moderate continuous rain and fog" this is from What weather does a warm front bring? What weather does a cold front bring? - Yahoo! Answers
warm humid weather
A weather front can be a cold front, a warm front or an occlusion.
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its is misty and cold on A COLD FRONT AND MUGGY AND WARM ON A WARM FRONT
the weather will probably be warm and u will have nothing but clear or rainy skies.
Warm.
it when a cold front and a warm front meet
Warm air, which brings warm temperatures.
statinary
a warm front
warm-front rain