Updrafts: meaning, definitions and examples
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updrafts
[ ˈʌpdræfts ]
meteorology
Updrafts are upward currents of air that occur in the atmosphere, particularly in the development of thunderstorms. They play a crucial role in the formation of cumulonimbus clouds and are responsible for carrying moisture and heat from the surface into the upper atmosphere. Updrafts can lead to severe weather phenomena when they are strong enough to form storms.
Synonyms
airflow, ascending air, upward current
Examples of usage
- The updrafts in the storm caused the clouds to rise quickly.
- Meteorologists analyze updrafts to predict thunderstorm intensity.
- Strong updrafts can contribute to tornado formation.
- The pilot experienced turbulence due to unexpected updrafts.
- Updrafts often bring warmer air from the ground upwards.
Etymology
The term 'updraft' combines 'up,' a direction, and 'draft,' which is derived from the Middle English word 'drafte' meaning 'a current of air' or 'a flow.' The word 'draft' itself has origins in Old English 'dræft,' which relates to drawing or pulling, indicative of a movement of air. The concept of updrafts became significant in meteorology as understanding atmospheric dynamics became crucial for weather prediction and aviation. As aviation technology advanced, so did the study of updrafts, because they are critical for understanding how aircraft interact with the atmosphere during flight. The term continues to be widely used in both scientific and educational contexts relating to weather patterns and climate phenomena.