Punxsutawney Phil, the legendary weather-forecasting groundhog from Punxsutawney, PA, saw his shadow Sunday morning, thus ...

A unique weather pattern sets up every January, according to long-time meterologist, Gary Lezak. He says he can predict with ...

While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

The Old Farmer's Almanac, which has been in business since 1792, recently released its spring weather forecast. The outlook? ...

The arctic blast has long since dissipated, and for now, none of our computer models or long-range projections suggest ...

The satellite data revealed that the whole planet’s ocean averages had considerable variation based on cycles, of which the ...

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Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.

A strong jet stream – the ribbon of winds about six miles up in the atmosphere over the North Atlantic – is one. Winds here ...

A recent study sheds light on the spatio-temporal patterns of temperature extremes in China over the past six decades, revealing alarming warming trends and highlighting the critical role of ...

The United States needs to develop a comprehensive strategy for the Arctic. Melting sea ice is generating an emerging Arctic economy. Nations bordering the Arctic are drilling for oil and gas ...

Here's a snowstorm summary for yesterday, an assessment of current cold air, and a look ahead at the next storm signals (or ...