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<p>Biles: </p> <hr /> <div>A cold front occurs when a cold air mass advances and replaces a warm air mass. Advancing cold fronts force warm moist air to rise sharply, producing showers and thunderstorms during the warm season, and snow during the cold season. As a cold front passes, temperature and humidity drops and air pressure rises.<br /> <br /> Essays have become a major part of formal education. Secondary students are taught structured essay formats to improve their [http://www.essayontime.com/ essay writer] skills, and admission essays are often used by universities in selecting applicants and, in the humanities and social sciences, as a way of assessing the performance of students during final exams. The concept of an &quot;essay&quot; has been extended to other mediums beyond writing<br /> <br /> A stationary front occurs when a cold air mass and warm air mass meet, but neither moves much in any direction. Cloudiness and light to moderate precipitation may persist for days on the cold side of a stationary front as the warm air gradually rises over the cold air.<br /> <br /> An occluded front occurs as a cold front overtakes a warm front, and forces the warm air to rise. The cool air mass remains at the surface. Low clouds and light precipitation usually accompany the passing of an occluded front.<br /> Ref:[http://nsidc.org/arcticmet/factors/pressure.html]<br /> <br /> Winds will always veer after a front passage.<br /> [[Category: Weather]]</div>

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