Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 3, issue 4
Articles | Volume 3, issue 4
https://doi.org/10.5194/wcd-3-1381-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-3-1381-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 4
Research article
 | 
30 Nov 2022
Research article |  | 30 Nov 2022

Decadal variability and trends in extratropical Rossby wave packet amplitude, phase, and phase speed

Georgios Fragkoulidis

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Short summary
Assessing the seasonal distributions of local Rossby wave packet (RWP) amplitude, phase, and phase speed on reanalysis data of the 1979–2019 period reveals that patterns of robust trends emerge and vary substantially between seasons and regions. While an absence of covariance is evident between RWP amplitude and phase speed at decadal scales, the frequency of DJF large-amplitude quasi-stationary RWPs increases in several areas of the N Pacific and N America during 1999–2019.
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