Researchers with NASA’s Operation IceBridge aerial polar ice survey have discovered the presence of large meltwater pools and raging rivers across the surface of a number of Greenland’s major glaciers, a “concerning” development due to the early melt of Arctic ice in the season. Typically, this level of ice meltread more

A combination of a series of three storm systems and a blast of Arctic air are prompting forecasts of an extended cold snap across the US, with temperatures in some parts of the north-central states expected to dip as low as 30ºF below normal. The regions expected to be affected include the Upper Midwest, Great lakes, Ohio Valley, Mid-Atlantic, and New England.

Mashable’s Andrew Freedman describes the February-like conditions that are visiting the continent as yet another consequence of the polar vortex pushing Arctic air in a southeasterly direction. 12 inches of snow is forecast for higher elevations in West Virginia, Virginia, and Maryland, with Philadelphia, New York City, and Boston possibly seeing lighter snowfall on Saturday.
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