The circumglobal teleconnection pattern (CGT) is a key mode of atmospheric variability during boreal summer, identified by an ...

OK. One of the times I went running this week in our nation's capital, it was early in the morning but already 82 degrees and 82% humidity. Washington, D.C., has had daytime temperatures over 100 this ...

Just in time for summer, here comes the heat. "A dangerous, widespread heat wave will bake the central and eastern U.S., bringing the hottest temperatures of the year and uncomfortably muggy air to ...

The longest, most intense heat wave since the summer solstice settled into its prime on Thursday, and weather forecasters said it was more impressive than first anticipated. That much was apparent as ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...