BISMARCK, N.D. — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the Rockies and Northern Plains on the heels of weekend storms that pummeled the Eastern U.S ...

This is the official repository of Polar's software development kit. With this SDK you are able to develop your own Android and iOS applications for sensors and watches made by Polar.

The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is known to create havoc when it wobbles out of its normal circular pattern.

After hours: February 19 at 5:01:06 PM EST Loading Chart for POLA ...

The snow-covered Peace Monument outside the Capitol on Feb. 12. (Jacquelyn Martin/AP) ...

17, 2025, Brattleboro, Vt., after a winter storm on Sunday. (Kristopher Radder/The Brattleboro Reformer via AP) The term “polar vortex” usually refers to the gigantic circular upper air weather ...

See why color-changing squid could help with development of invisibility cloaks ...

It marks the 10th - and coldest - polar vortex this season so far, with pressure systems pushing cold air from the Arctic southwards into North America and Europe. The polar vortex is a large area ...

THE MILLIONS OF DOLLARS YOU RAISE AND DONATE FOR THE POLAR BEAR PLUNGE ACCOUNT FOR OVER 40% OF THE ANNUAL BUDGET FOR SPECIAL OLYMPICS MARYLAND, HELPING ATHLETES PLAY WITHOUT HAVING TO PAY.

NSIDC's Polar Stereographic Projection was originally designed to be optimal for sea ice applications, though it is now used for many other products. Northern Hemisphere (left) and Southern Hemisphere ...