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Rossby
[ raws-bee, ros- ]
noun
- Carl-Gu·staf Ar·vid [kahrl, -, goo, -stahf , ahr, -vid]. 1898–1957, U.S. meteorologist, born in Sweden.
Example Sentences
"Our work uncovered patterns in climate events driven mainly by atmospheric Rossby waves, which are large inertial planetary waves that naturally occur in rotating fluids and cause movement within the atmosphere," said Fan.
These are called Rossby waves.
In a 2019 study Kornhuber and colleagues showed that a repeating Rossby wave pattern known as a wave-7 -- that is, seven giant peaks and seven matching troughs spanning the globe -- draws warm, dry air from the subtropics up to the midlatitudes, causing concurrent summer heat waves and droughts in predictable parts of North America, Europe and Asia.
That extra warming sets things in motion through Rossby waves, according to the study — atmospheric waves that move west to east and are connected to changes in temperature or pressure, like the jet stream or polar vortex events.
“The heating is the rock and Rossby waves are the waves radiating away from the heating which disturbs the atmosphere’s balance.”
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