In: Other
Using cross sections, sketch, label, and explain the setting for a cold front and warm front. In addition, sketch, label, and explain the setting for a stationary front.
Hello student,
A cold front is defined as the transition zone where a cold air mass is replacing a warmer air mass. Cold fronts generally move from northwest to southeast. The air behind a cold front is noticeably colder and drier than the air ahead of it. When a cold front passes through, temperatures can drop more than 15 degrees within the first hour. Cold fronts often follow a warm front or squall line. Cold front occcur when leading edge of sharp temperature change, wind shift, pressure trough pressure tendency is useful, often cloudy/showers/thunderstorms/sometimes severe.
Warm front forms when a moist, warm air mass slides up and over a cold air mass. You will often see high clouds like cirrus, cirrostratus, and middle clouds like altostratus ahead of a warm front. These clouds form in the warm air that is high above the cool air. As the warm air mass rises, it condenses into a broad area of clouds. A warm front brings gentle rain or light snow, followed by warmer, milder weather.
Stationary front forms when warm and cold air meet and neither air mass has the force to move the other. Winds blowing parallel to the front instead of perpendicular can help it stay in place. They remain stationary. Where the warm and cold air meet clouds and fog form and it may rain or snow. Or we can say stationary front forms when a cold front or warm front stops moving. This happens when two masses of air are pushing against each other, but neither is powerful enough to move the other.
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