Atmospheric river conditions could bring multiple feet of snow to the northern Sierra Nevada. Other areas face a risk of flooding as the ground becomes increasingly saturated.

The largest fires started on January 7 and devastated swathes of L.A., including Pacific Palisades and Altadena. The fires ...

A confluence of factors is making wildfires worse. Among them: increasingly dramatic swings between wet and dry conditions in ...

NOAA satellites paired with AI data analysis also generate alerts but over a wider area. They can detect heat signatures, map ...

San Francisco could see as much as six inches of rain over the next week as a moisture-packed storm known as an atmospheric river works its way south from the Pacific Northwest.

Fire spotters used to watch with binoculars from forest towers. Now, technology can help forecast fire behavior, but human ...

Earlier this month, relentless 90-mile-an-hour Santa Ana winds sent wildfires tearing through Greater Los Angeles, taking ...

The Copernicus CO2M mission will meet the European Union’s high-priority requirements to measure atmospheric carbon dioxide produced by human activity Brussels, January 28, 2025 – Thales Alenia Space, ...