The Latest Breaking News from Daniel Swain

California is in the grips of an atmospheric river that's causing flooding all over the state. Climate change might be intensifying storms like it — but scientists are still working out the details.

First-ever hurricane-force wind warning along coast, with millions of people under flood watches and power out for close to a million

Scientists figure a natural El Nino, human-caused climate change, a stubborn heat dome over the nation’s midsection and other factors cooked up Hilary’s record-breaking slosh into California and Nevada

Such storms landing on California are extremely rare – but experts say they could become more common as the ocean heats up

The first tropical storm to hit Southern California in more than 80 years sparked road closures, school cancellations and power outages on Sunday evening before moving north to Nevada.

Hurricane Hilary continues her march to Baja California, and people on both sides of the U.S.-Mexico border are getting ready for projected heavy rains and flooding.

Record high temperatures, strong winds and thunderstorms are prompting warnings for high wildfire danger across the Pacific Northwest.

Severe blazes, once a rarity in Hawaii, are increasing in strength and scale, complicating rescue efforts for the small local fire crews

It’s no coincidence that extreme heat is engulfing huge swaths of Asia, Europe and North America all at the same time. Powerful weather forces are combining to create the planet-wide conditions, and there’s unlikely to be relief from the scorching temperatures anytime soon.