A big, spinning storm has moved over Southern California, and will douse the region in much needed rain.
Seen in the satellite image above, it’s a common winter storm, called a mid-latitude cyclone, rotating counter-clockwise like a whirlpool. It will shower the area through Tuesday night.
“It’s a good ole mid-latitude cyclone,” said Jeff Weber, a research meteorologist at the University Corporation for Atmospheric Research.
A mid-latitude cyclone is basically air and clouds rotating around a region of low atmospheric pressure — and areas of low pressure invite air to pour into a region, bringing clouds and rain. Read more…