• Strong atmospheric river to bring heavy rain, snow, and flooding to California this week

    A strong atmospheric river is forecast to impact California from December 23 to 27, 2025, bringing widespread heavy rainfall, flash flooding, and high-elevation snow. The system is expected to produce 250 to 500 mm (10–20 inches) of precipitation in parts of the Sierra Nevada and 150 to 300 mm (6–12 inches) in the Coast and Transverse Ranges. The National Weather Service has issued high-risk alerts for flash flooding across southern California and moderate winter storm impacts over the Sierra Nevada.

  • Coast-to-coast storm with 232 km/h (144 mph) gusts leaves 1 dead, 2 injured across Northwest and Rockies

    A powerful windstorm with gusts reaching 232 km/h (144 mph) battered parts of the Pacific Northwest and Rockies this week, leaving one dead, two injured, and hundreds of thousands without power by December 18, 2025. The deep low-pressure system continues moving east toward the northern Plains and Midwest, sustaining severe winds and wildfire risks.

  • Over 700 landslides and avalanches mapped after M7.0 2025 Hubbard Glacier Earthquake

    A strong M7.0 oblique-slip earthquake struck beneath the Hubbard Glacier in the St. Elias Mountains, about 89 km (55 miles) north of Yakutat, Alaska, at 11:40 AKST (20:40 UTC) on December 6, 2025. The quake triggered widespread ground failures, with over 700 landslides and snow avalanches identified across Alaska and Canada. The largest and most concentrated slope failures occurred within a 16 km (10 miles) wide band along the estimated fault rupture.