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Fronts

Fronts. By 2/O John Jaromahum. Front.

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Fronts

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  1. Fronts By 2/O John Jaromahum

  2. Front • A front is defined as the transition zone between two air masses of different density. Fronts extend not only in the horizontal direction, but in the vertical as well. Therefore, when referring to the frontal surface (or frontal zone), we referring to both the horizontal and vertical components of the front.

  3. Airmass • Click Video

  4. Warm Front

  5. A warm front is defined as the transition zone where a warm air mass is replacing a cold air mass

  6. Cold Front

  7. 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.

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