BU111 Lecture Notes - Lecture 10: Biome, Ferrari 250, Polar Desert
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Whether is it in areas short term atmospheric condition typically over hours or days. Examples of atmospheric conditions are temperature, pressure, moisture content, precipitation, sunshine, cloud cover, and wind direction and speed. The most dramatic changes in weather occur along front, the boundary between two air masses with different temperatures and densities. A warm front is the boundary between advancing warm air masses and the cooler one it is replacing. Because warm air is less dense and cool air and investing warm front rises over a mass of cold air. A cold front is the leading edge of advancing mass of cold air because cold air is denser than warm air, advancing cold front stays close to the ground and wedges underneath less dense warmer air. I was a cold front passes through, we often experience high surface winds and thunderstorms after the front passes, we usually have cooler temperatures and a clear sky.
