Rapid Stratospheric Temperature Spikes Over the Arctic When temperatures in the polar stratosphere suddenly climb, climate analysts instantly recognize this as one of the most critical warning signs.

The jet stream, or any wind, is the result of differences in surface temperature. In simple terms, warm air rises, creating low pressure, and cold air sinks, creating high pressure. Wind is the ...

MILWAUKEE - As Hurricane Melissa roars through the Caribbean as a Category 5 storm, its winds of 160 mph and pressure near 917 millibars make it one of the most intense late-season hurricanes on ...

Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...