About the SA Blog Network

Posts Tagged "polar vortex"

Life, Unbounded

The Vortex

Northern polar view (NASA/Cassini)

This is simply too good to pass up, although it’s been doing the rounds online. As the seasons change on Saturn the north polar region is now getting its share of faint solar illumination. Cassini recently (very recently, as in Nov 27th) took this amazing image of the swirling atmospheric circulation at the northern pole [...]

Keep reading »

Nor’easter Bomb Hits East Coast, Thanks to a Rex Block—Huh?


Okay, it’s not the infamous polar vortex, but people living on the New England coast are about to get popped by a “Nor’easter bomb.” And it was set up five days ago by a “Rex block.” I’m not making that up. Last weekend weather forecasters were marveling wide-eyed about a potentially unheard-of storm caused by [...]

Keep reading »

Why the Moon Looks Different in Winter [Video]

As we steel ourselves against the cold and curse the polar vortex for bringing these bitter winds upon us, it’s helpful to remember that winter can also be a magical time of fluttering snowflakes and beautiful evening skies. This Minute Physics video explains how the earth’s tilted axis makes winter the best season for viewing [...]

Keep reading »

What Is This “Polar Vortex” That Is Freezing the U.S.?

vortex graphic

As I write these words, temperatures across half the U.S. are plummeting like a rock. Extreme lows are forecast by tonight: -32 degrees Fahrenheit in Fargo, N.D.; -21 degrees F in Madison, Wisc.; -15 degrees F in Chicago and Indianapolis, according to the National Weather Service. Wind chills will reach a bizarre 60 degrees below [...]

Keep reading »

More from Scientific American

Scientific American MIND iPad

Give a Gift & Get a Gift - Free!

Give a 1 year subscription as low as $14.99

Subscribe Now >>


Email this Article