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updraft

   Also found in: Wikipedia 0.01 sec.
up·draft  (pdrft)
n.
An upward current of air.

updraft  (pdrft)
An upward current of warm, moist air. With enough moisture, the current may visibly condense into a cumulus or cumulonimbus cloud. Compare downdraft.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.updraft - a strong upward air current
draft, draught - a current of air (usually coming into a chimney or room or vehicle)


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As they collide they clump and grow until the updraft can't hold their weight anymore, which sends them back toward the ground as hail, Porter explained.
Meteorologists said the jet entered an unusual storm with 100mph updrafts that acted as a vacuum, sucking water up from the ocean.
At one point he gets dangerously near a supercell in a tornado with a rotating updraft.
 
 
 
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