Scientists analyzed the correlation between sleep activity and hot nighttime temperatures. A lack of sleep is a risk factor for physical and mental health problems.
Heavy snow and rain fell across Northern California on Thursday as a substantial spring storm added to late-season precipitation totals after a dry winter.
The National Weather Service issued a winter weather advisory Thursday for the Lake Tahoe area, where up to 18 inches of snow is possible atop the snow-starved Sierra, with another storm on the way Saturday.
The men's giant slalom went ahead as scheduled — albeit with a few delays and stoppages. Low visibility caused 33 skiers to fail to finish their first qualifying run.
The Marshall Fire and Middle Fork Fire, which have forced the evacuations of tens of thousands residents, are considered the most destructive wildfires in Colorado history.
Roads remains closed in many areas of the Sierra, as dozens of flights have been canceled. It's been the snowiest month in the Sierra in more than 50 years.
The climate pattern known as La Niña generally brings winters that are drier and warmer than usual across the southern U.S. and cooler and wetter in the northern part of the country.
After a major storm hit the Northeast and Mid-Atlantic, with heavy rain, flash floods and tornadoes, multiple states now turn their attention to recovery.
Record-breaking levels of rainfall in New York City, parts of New Jersey, and Pennsylvania flooded roadways and impacted travel throughout Wednesday evening into Thursday morning.
The National Weather Service predicts East Coast areas could reach 100 degrees Thursday afternoon, with triple-digit temperatures in the Pacific Northwest too. Relief isn't expected until the weekend.
Hurricane Elsa is expected to affect Florida early next week. Officials have begun preparations for potential impact as teams work at the condo site looking for those who remain unaccounted for.
NOAA is updating its definition of what a "normal" Atlantic hurricane season looks like, based on the last 30 years. The average number of hurricanes in the new normal has risen from 6 to 7.
The computer model that predicts the weather is getting more power. Climate change is upping the stakes for forecasters as extreme weather gets more common and residents demand earlier warnings.
