Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, transporting much of the moisture from the tropics to northern latitudes.

Authorities say a more than 100-vehicle pileup in whiteout conditions has closed part of a major interstate along the Columbia River near Portland, Oregon. The Multnomah County Sheriff’s Office said ...

Evacuation orders and warnings were issued in areas where hillsides were burned bare by the Palisades Fire, which was the ...

Over the three-day storm, L.A. County's burn areas are expected to receive several inches of rain. How fast the rain falls ...

Western Australia's ports of Dampier and Varanus Island will be closed at 6 p.m. (1000 GMT) on Thursday due to Tropical Cyclone Zelia, the ports' operator said, with emergency services in the state ...

Heavy snow and freezing rain from Kentucky to the nation's capital caused hundreds of crashes and left tens of thousands of ...

Today, the Trump administration will be inheriting an inconsistent, inefficient, and incomplete diplomatic posture in the Pacific Islands region. The Biden administration may have expanded the ...

In Chicago, snow seasons are tracked from July through the following June. The area normally can expect 38.4 inches, according to the National Weather Service. Chicago was warmer than average during ...

Thousands of residents were evacuated as monsoon rains battered an island causing torrential floods in the Philippines.

A rare dispute between New Zealand and Kiribati has renewed focus on the Pacific island nation, highlighting the existential ...

Efforts are well underway to clean up debris flows caused by storms that rolled through SoCal as well as mitigate damage that could potentially be caused by future rainfall.  Back-to-back days of ...

State and national agencies announced advisories for flood conditions in Southern Humboldt County this week, as atmospheric river conditions dropped several inches of rain throughout the weekend. “The ...