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A device or system having an upward airflow.
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Warm, moist, rising air. As the air rises, it condenses into a visible cumulus or cumulonimbus cloud. The updraft fuels the storm. In an ordinary thunderstorm, air rises at 40 mph and in a severe thunderstorm speeds may reach more than 100 mph.
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A term applied to a kiln in which the direction of travel of hot gasses from the fire is continuously upward through the ware chamber to the chimney and eventual freedom.
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a strong upward air current
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a current of -- sometimes rapidly -- rising air
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a current of warm, moist air that rises upward through the thunderstorm
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A strong air current, moving upward.
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A small-scale current of rising air.
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Air currents moving vertically upward. Updrafts typically produce cumulus clouds.
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A warm column of air that rises within a cloud
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Air that rises when the wind meet a ridge or rock outcrop.
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Warm moist air which rises and condenses into a visible cumulus or cumulonimbus cloud. Once the cloud forms, it depends on the updraft for continuance and further development.
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a relatively small-scale current of air with marked upward motion
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An upward current of air, usually within a thundercloud.
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A relatively small-scale, upward moving current of air.
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A small scale current of air with vertical motion. If there is enough moisture, then it may condense, forming a cumulus cloud and possibly thunderstorms. The opposite of a downdraft.
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A localized upward current of air.
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A surge of air in an upward direction
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Vertical currents of air.
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Upward movement of air.
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An updraft is a current of air that is flowing upwards.
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A small scale current of air with vertical motion. If there is enough moisture, then it may condense, forming a cumulus cloud, the first step towards thunderstorm development.
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