Scientific American - John Matson, 1/17/13
A true-color image captured by Cassini in February 2011 shows the head of the storm overtaking the fainter, turbulent tail. Credit: NASA/JPL-Caltech/SSI
Just as regions of our planet have monsoon season, or tornado season, so too does Saturn have its own stormy season.
Once every Saturn year or so—which corresponds to roughly 30 Earth years—a giant, churning storm works its way through the clouds of Saturn’s northern hemisphere, sometimes encircling the entire planet like a belt. Lasting a few dozen days or more, these storms have been documented as far back as 1876.
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