what do cold fronts do
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COLD FRONT • COLD FRONT (noun). The noun COLD FRONT has 1 sense: 1. the front of an advancing mass of colder air. Familiarity information: COLD FRONT used as a noun is very rare.
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- A Cold Front has Cold Air, that means you can expect a Temperature drop from this front. Most of the time, when a Cold Front passes over warm areas, you can expect storms to p…op up along this front. A cold front will usually bring cooler weather with a sharp change  in wind direction and clearing skies.
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Fronts A warm front is the surface boundary between a warm air mass and a cold air mass it is overtaking. The warm air moves into an area of colder, drier air. The air masses do not readily mix; therefore the warm air rises slowly over the colder air because it is less dense.
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(r). Air Masses and Frontal Transitional Zones In transitional areas where there is some air mass movement, cold or warm fronts can develop. Figure 7r-2 illustrates a vertical cross-section of a cold front. A cold front is the transition zone in the atmosphere where an advancing cold, dry stable air mass displaces a warm, moist unstable subtropical air mass. On a weather map, the cold front is drawn as a solid blue line with triangles.
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- By Chad Palmer, USATODAY.com. The term cold front is one of meteorology's most misused terms. Many people say cold front when they are really talking about the mass of cold air that moves in behind the front. (Related graphic: All about air masses). In weather, all fronts are boundaries between masses of air with different densities, usually caused by temperature differences.
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Cold Fronts Cold Fronts. A cold front is where a cold air mass is pushing into a warmer air mass. Cold fronts can produce dramatic changes in the weather. They move fast, up to twice as fast as a warm front. Cold air is dense so it is able to quickly plow a warm air mass ahead of it. Commonly, when the cold front is passing, winds become gusty; there is a sudden drop in temperature, and heavy rain, sometimes with hail, thunder, and lightning.
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Weather Fronts: Definition & Facts Cold fronts are marked on weather maps with the symbol of a blue line of triangles/spikes (pips) pointing in the direction of travel, and are placed at the leading edge of the cooler air mass. That cold/dense air wedges its way under the warm air out ahead of it.
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What is a Weather Front? Fronts Signal the Arrival of Warm Air, Cold Air, and Precipitation. Science. Known as the colorful lines that move across weather maps, weather fronts are boundaries that separate air masses of different air temperatures and moisture content (humidity).
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- What are cold fronts and warm fronts? Fronts are the boundaries between air masses of different temperature. If warm air is moving toward cold air, it is a “warm front”. These are shown on weather maps as a red line with scallops on it. If cold air is moving toward warm air, then it is a “cold front”. Cold fronts are always shown as a blue line with arrow points on it.
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- 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. They remain stationary, or “standing still.”Where the warm and cold air meet, clouds and fog form, and it may rain or snow.s the front moves through, cool, fair weather is likely to follow.Warm front Forms when a moist, warm air mass slides up and over a cold air mass.As the warm air mass rises, it condenses into a broad area of clouds.
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Cold front Cold fronts are the leading edge of cooler air masses, hence the name cold front. They have stronger temperature changes during the fall (autumn) and spring and during the middle of winter. Temperature changes associated with cold fronts can be as much as 50 °F (30 °C).
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Occluded Fronts: When Warm and Cold Fronts Meet An occluded front is a composite of two frontal systems that merge as a result of occlusion. Cold fronts generally move faster than warm fronts. In fact, the speed of a cold front is about double that of a typical warm front. As a result, a cold front will sometimes overtake an existing warm front. Essentially, an occluded front forms as three air masses meet.
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Weather Fronts Cold fronts almost always are easier to locate on a weather map than are warm fronts, primarily because of the strength of the high pressure system to the north and west of the cold front compared to that north of a warm front. Cold fronts usually bring cooler weather, clearing skies, and a sharp change in wind direction.
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Weather front A weather front is a boundary separating two masses of air of different densities, and is the principal cause of meteorological phenomena outside the tropics. In surface weather analyses, fronts are depicted using various colored triangles and half-circles, depending on the type of front. The air masses separated by a front usually differ in temperature and humidity. Cold fronts may feature narrow bands of thunderstorms and severe weather, and may on occasion be preceded by squall lines or dry l
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- As the cold front advances, the colder air lifts the warm moist air ahead of it. The air cools as it rises and the moisture condenses to produce clouds and precipitation ahead … of and along the cold front.   rising warm humid air. 1 person found this useful.
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- Follow this link to see a very nice and complete table of the weather associated with a warm front passage. Cold Fronts A cold front occurs when a mass of cold air advances into a region of warmer air. On weather maps, cold fronts are shown as blue lines with triangles pointing in the direction of the motion of the cold air mass:
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Weather front A weather front is a boundary separating two masses of air of different densities, and is the principal cause of meteorological phenomena. In surface weather analyses, fronts are depicted using various colored triangles and half-circles, depending on the type of front.n weather maps, the surface position of the cold front is marked with the symbol of a blue line of triangle-shaped pips pointing in the direction of travel, and it is placed at the leading edge of the cooler air mass.
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cold front cold front. The forward edge of an advancing mass of cold air that pushes under a mass of warm air. Cold fronts often cause precipitation; water vapor in the rising warm air condenses and forms clouds, often resulting in heavy rain, thunderstorms, hail, or snow. Winter cold fronts can cause temperatures to drop significantly.
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Fronts Image from University of Illinois. Occluded fronts form when a cold front catches up to a warm front because cold fronts move along much faster than warm fronts do. The cold front over takes the warm front and cold air moves into cooler air ahead of the warm front.
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What's a Warm Occlusion Weather Front? A warm air occlusion or occluded front is less common than a cold occlusion. A warm occlusion occurs as cool air moves rapidly into an area with an existing warm front. The difference from a cold occlusion is that the approaching cool air is not as cold as the retreating cold air in the existing front. In other words, the fast-moving, incoming air is cold, but not as cold as the air mass ahead of it. Precipitation can usually be expected when an occluded front passes through an area. Sometimes a cold front will catch up to a warm front and overtake both it and the cooler air out ahead of it. If this happens, an occluded front is born.
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- Define cold front: an advancing edge of a cold air mass — cold front in a sentence
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- The weather map symbol for a cold front is a blue line with triangles pointing the direction the cold air is moving. As a cold front moves into an area, the heavier, cool air pushes under the lighter, warm air it's replacing. The warm air cools as it rises.
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Weather Fronts: Definition & Facts That cold/dense air wedges its way under the warm air out ahead of it. Cold fronts are very much like atmospheric plows, pushing away warm, moist air and replacing it with a cooler and drier air mass. Another good metaphor for a cold front is that it’s like a hand plane.
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Weather Fronts What's a Weather Front? An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses. A cold front is a warm-cold air boundary with the colder air replacing the warmer. As a cold front moves into an area, the heavier cool air pushes under the lighter warm air that it is replacing. The warm air becomes cooler as it rises.