Atlantic heat source for Hurricane Irene

Atlantic heat source for Hurricane Irene

As Hurricane Irene rumbles through the Atlantic Ocean, it needs fuel to sustain itself. Warm water is the main fuel, and there is plenty of it right now, as there usually is this time of year. The map above shows sea surface temperatures (SST) in the Atlantic…

Thicker arctic ice had increased over last year

Thicker arctic ice had increased over last year

Layers of frozen sea water, known as sea ice, cap the Arctic Ocean. The ice grows dramatically each winter, and melts just as dramatically each summer. In the past decade, the melting has grown more dramatic, while growth has become less so.The pair of images