This animation shows both long and short <a href="https://en.wikipedia.org/wiki/Rossby_waves" class="extiw" title="w:Rossby waves">atmospheric waves</a> as indicated by the <a href="https://en.wikipedia.org/wiki/jet_stream" class="extiw" title="w:jet stream">jet stream</a>. The colors represent the speed of the wind ranging from slowest (light blue colors) to fastest (dark red).
NASA, Goddard Space Flight Center
<a rel="nofollow" class="external free" href="https://oceanservice.noaa.gov/facts/rossby-wave.html">https://oceanservice.noaa.gov/facts/rossby-wave.html</a>