Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring significant flooding to roads and a high risk of landslides. Here's what you need ...

Areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they happen? What is being ...

When hills are healthy, vegetation can anchor the soil in place. But when that is burned off, hillsides become vulnerable to erosion, and slopes can come crashing down.

Rain on burned hillslopes can trigger dangerous floods and debris flows. Those debris flows can move with the speed of a ...

Tracking and predicting sea level rise involves more than measuring the height of our oceans: Land along coastlines also ...

Screenshots of a Google Maps aerial view of an industrial storage yard in Los Angeles have gone viral online because they appear to show the words “HELP” and “TRAFICO” written on the ground.

Ominous “HELP” messages carved onto debris in Los Angeles and spotted on Google Maps have raised alarm among social media users. Zoomed-in satellite images of a rail yard off of the San ...

AGAIN NOT TOO BAD THIS MORNING. WE’RE SEEING JUST MODERATE LEVELS OF PARTICULATES INTO THE L.A. BASIN. BUT LOOK AT THE SMOKE FORECAST AGAIN. THE SMOKE FROM THE HUGHES FIRES ALL PUSHING OUT TO SEA.