A severe geomagnetic storm could disrupt communications and bring northern lights to parts of California, according to a warning from the National Oceanic and Atmospheric Administration.

A massive geomagnetic storm is under way in the US — caused by strong eruptions from the sun capable of disrupting America’s electrical grid and producing northern lights as far south as Alab… ...

Storm chaser Colin McCarthy in his post on X: "A classic atmospheric river is barreling into California tonight and will be the strongest storm of the entire winter statewide." What Happens Next ...

Such electromagnetic activity will only increase as the sun continues to reach the height of its 11-year solar cycle, which NASA said is expected to be in 2025. Forecasters use a five-level scale ...

In Southern California, the flooding could be life-threatening in areas burned by wildfires. By Amy Graff Amy Graff is a San Francisco-based reporter on The Times’s weather team. California is ...

A powerful storm dropping drenching rain on flood-prone Southern California is raising concern among forecasters that it could produce a dangerous, widespread outbreak of tornadoes, damaging winds ...

Incoming heavy rain from an atmospheric river-fueled storm that slammed into the West Coast early Wednesday is threatening mudslides and debris flows in Southern California and has already ...

A severe geomagnetic storm could disrupt communications and bring northern lights to parts of California, according to a warning from the National Oceanic and Atmospheric Administration.