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Updraft and downdraft, in meteorology, upward-moving and downward-moving air currents, respectively, that are due to several causes. Local daytime heating of the ground causes surface air to become much warmer than the air above, and, because warmer air is less dense, it rises and is replaced by.
The meaning of DOWNDRAFT is a downward current of gas (such as air during a thunderstorm). How to use downdraft in a sentence.
downdraft, in meteorology, upward-moving and downward-moving air currents, respectively, that are due to several causes. Local daytime heating of the ground causes surface air to become much warmer than the air above, and, because warmer air is less dense, it rises and is replaced by….
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Downdraft definition: a downward current, as of air. See examples of DOWNDRAFT used in a sentence.
Sep 16, 2019 · From the NWS Glossary:Updraft - A small-scale current of rising air. If the air is sufficiently moist, then the moisture condenses to become a cumulus cloud ...
Thunderstorm downdrafts originate at altitudes where the air temperature is cooler than at ground level, and they are kept cool even as they sink to warmer levels by the evaporation of water and melting of ice particles.
Downdraft (Abbrev. DWNDFT) - A small-scale column of air that rapidly sinks toward the ground, usually accompanied by precipitation as in a shower or thunderstorm.
In the same way, air that is cooler than its environment tends to sink as long as it can stay cooler than its surroundings. The upward moving air in a thunderstorm is known as the updraft, while downward moving air is the downdraft.
Downdrafts, also known as a high pressure area, clear sky area, etc. Downdrafts are winds that diverge into the ground, this can form in the atmosphere. Downdrafts are caused by a force of an invisible rotating continuously sinking to the ground, forming a downdraft.
