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 ...
As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...
The jet stream is about 14 percent slower in the fall now than in the 1990s, according to a recent study by Francis. And when it slows, it moves north-south instead of east-west, bringing more unusual ...