While California's Central Valley was experiencing a persistent form of "radiation fog" in late 2025, the fog wasn't radioactive. In fact, radiation fog is the most common type of fog in most of the ...

Orange County Coast and San Diego County Coastal Areas are included in a dense fog advisory released by the National Weather Service on Friday at 12:17 a.m. The advisory is in effect until 9 a.m. The ...

It's a tale of two climates across the Sacramento region: dense Tule Fog locking the valley under a cold, gray blanket, while the foothills enjoy clear skies and warm sunshine. Residents in Sacramento ...

An atmospheric phenomenon occurring over much of California was unmistakable in satellite imagery in late autumn 2025. Fog stretching some 400 miles (640 kilometers) across the state's Central Valley ...

Freezing fog can be tricky to forecast. It doesn’t always impact in a widespread area. But it can cause major issues. Especially this morning. Freezing fog is just like regular fog that forms when the ...

Unity posted Q3 adjusted earnings of $0.20 per share versus a $0.24 loss expected. The stock tripled from its $15 early 2024 low after the CEO canceled unpopular runtime fees. IPO investors remain ...

The Central Valley’s tule fog has sat densely in the region in winter 2025 amid a high pressure ridge and low temperatures following heavy rain, according to area meteorologists. Photo by Declan Sun ...

If you’ve been driving through the Central Valley recently, you’ve probably encountered the region’s thick, low-lying tule fog. This fog, sometimes called radiation fog, can happen when the ground is ...