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Rossby wave

   Also found in: Wikipedia 0.01 sec.
Rossby wave [′rȯs·bē ‚wāv]
(meteorology)
A large, slow-moving, planetary-scale wave generated in the troposphere by ocean-land temperature contrasts and topographic forcing (winds flowing over mountains), and affected by the Coriolis effect due to the earth's rotation. Rossby waves have also been observed in the ocean. Also known as planetary wave.


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Interpreting the oscillations as Rossby waves (which result from the restoring forces caused by differences in the Coriolis force with changing latitude) allows establishment of an upper limit on horizontal wind speed in the sampled region.
This teleconnectivity, which has four centers of action associated with it, is most likely the result of Rossby wave excitation by tropical convection in the central Pacific Ocean Region and the subsequent propagation of these waves downstream (e.
After hitting South America, this wave reflects westward as a so-called Rossby wave -- a broad feature imperceptible to ships.
 
 
 
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