Severe Tropical Storm Prapiroon associated with a Kármán vortex street off Jeju Island on October 18, 2012.
<a href="https://en.wikipedia.org/wiki/NASA" class="extiw" title="w:NASA">NASA</a>
<a rel="nofollow" class="external free" href="http://rapidfire.sci.gsfc.nasa.gov/cgi-bin/imagery/single.cgi?image=Prapiroon.A2012292.0215.2km.jpg">http://rapidfire.sci.gsfc.nasa.gov/cgi-bin/imagery/single.cgi?image=Prapiroon.A2012292.0215.2km.jpg</a>