updraft

American  

[uhp-draft, -drahft] / ˈʌpˌdræft, -ˌdrɑft /

noun

1. the movement upward of air or other gas.

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updraft Scientific  

/ ŭp′drăft′ /

1. An upward current of warm, moist air. With enough moisture, the current may visibly condense into a cumulus or cumulonimbus cloud.

2. Compare downdraft

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Etymology

Origin of updraft

late Middle English word dating back to 1400–50; up-, draft

Example Sentences

That happens when a sudden updraft in humid, moist air leads to a heavy and localised burst of rain.

From BBC

“Any part of a thunderstorm has updrafts and downdrafts, and you get these downdrafts with rain if there’s enough moisture,” Smith said.

From Los Angeles Times

They're caused by a sudden updraft in humid, moist air, which leads to a heavy and localised burst of rain.

From BBC

The Airbus A321, carrying 222 passengers, reportedly encountered extreme vertical air currents - updrafts followed by downdrafts - that dislodged overhead bins and caused nose damage.

From BBC

However, strong winds lifted him off the ground and grew even stronger, until he encountered the updraft that shot him up into the clouds.

From BBC