Forecasts indicate that an atmospheric river will bring heavy rain and snowfall to much of the Pacific Northwest starting late this week and lasting through the weekend. With persistent heavy rainfall, flash flooding could become a concern for residents across the region.

San Diego scientists are collecting samples of ash from California's coast to measure how toxins and urban debris from the Los Angeles wildfires could affect nearby fisheries and the food webs of local ecosystems.

When the recent wildfires tore through Los Angeles, destroying thousands of homes and businesses, they also sent plumes of smoke out over the ocean.

Over 50,000 under evacuation orders or warnings as a new fast-moving wildfire swept through rugged mountains north of Los Angeles.

Fire-weary southern California was buffeted Monday by dangerous winds, with forecasters warning of an "extremely critical" risk in a region already staggering from the

NOAA Fisheries’ scientists will watch for potential effects on fisheries and marine life, including anchovy eggs abundant in waters downwind of the fires. They have collected samples both before and after the eggs were exposed to ash and other debris, for any change in their number and distribution or any effects on their early development.

A juvenile king crab discovered during a deep-sea coral sampling operation in the Gulf of Mexico has become an internet sensation after NOAA Fisheries posted a video showcasing its unique appearance.

The Santa Ana winds tend to cause the same corridors to burn over and over again. Experts say the region needs to adapt.

Recent rainfall and increased debris from fire zones have prompted Los Angeles County public health officials to issue an advisory and close several miles of coastline.

A new report suggests that climate change-induced factors, like reduced rainfall, primed conditions for the Palisades and Eaton fires.

Weather whiplash continues in Los Angeles County, where after weeks of dangerously warm and windy conditions, followed by sudden rainfall and small mudslides, the National Weather Service has issued a warning for a new threat — cold overnight temperatures that could pose a risk of hypothermia.