air mass
noun
: a body of air extending hundreds or thousands of miles horizontally and sometimes as high as the stratosphere and maintaining as it travels nearly uniform conditions of temperature and humidity at any given level
Examples of air mass in a Sentence
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The system is set to move over the region through Tuesday before leaving a cold air mass in place over the coming days, which will keep overnight temperatures near freezing in some areas, according to the National Weather Service in Los Angeles.
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Phaedra Trethan, USA TODAY, 27 Jan. 2025
However, an air mass can sometimes block a storm, driving it north or northeast toward the Baja California peninsula and the west coast of Mexico.
—William B. Davis, New York Times, 17 June 2025
Meanwhile, people from the Northern Plains to the tip of Maine were experiencing bitterly cold temperatures Monday as an Arctic air mass caused temperatures to plunge well below normal with dangerously cold wind chills, while the East Coast contends with a thick blanket of snow.
—Michael Casey, Los Angeles Times, 20 Jan. 2025
Saharan dust is an extremely dry, dusty air mass, containing about 50% less moisture than the typical tropical atmosphere, the National Hurricane Center notes.
—Howard Cohen, Miami Herald, 30 May 2025
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Phaedra Trethan, USA TODAY, 27 Jan. 2025
However, an air mass can sometimes block a storm, driving it north or northeast toward the Baja California peninsula and the west coast of Mexico.
—William B. Davis, New York Times, 17 June 2025
Meanwhile, people from the Northern Plains to the tip of Maine were experiencing bitterly cold temperatures Monday as an Arctic air mass caused temperatures to plunge well below normal with dangerously cold wind chills, while the East Coast contends with a thick blanket of snow.
—Michael Casey, Los Angeles Times, 20 Jan. 2025
Saharan dust is an extremely dry, dusty air mass, containing about 50% less moisture than the typical tropical atmosphere, the National Hurricane Center notes.
—Howard Cohen, Miami Herald, 30 May 2025
See All Example Sentences for air mass
Cite this Entry
“Air mass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20mass. Accessed 3 Jul. 2025.
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