Winter Storm Warning and Freeze Watch in effect for parts of California and Nevada
A Winter Storm Warning and a Freeze Watch is in effect for parts of California and Nevada through early Wednesday, November 19, 2025.
Two dead, widespread damage reported after heavy rainfall hits Brazzano di Cormons, Italy
Extreme rainfall triggered widespread flooding and a fatal landslide in northern Italy on November 17, 2025, destroying homes in Brazzano di Cormons and causing extensive damage across the Gorizia area.
Ash from White Island volcano disrupts flights at Whakatāne and Tauranga airports, New Zealand
Ash from the Whakaari/White Island caused multiple flight cancellations in parts of New Zealand on Tuesday, November 18, 2025, with the Whakatāne and Tauranga airports reporting severe service impacts due to the ash.
Australia could see its earliest tropical cyclone in 12 years as low 02U intensifies
Australia could see its earliest start of the tropical cyclone season in over a decade, with tropical low 02U being expected to intensify into a Category 2 tropical cyclone this week.
Wettest November on record in Santa Barbara as atmospheric rivers kill 7 in California
Santa Barbara recorded 169.5 mm (6.67 inches) of rain over a three-day period ending November 17 2025, setting a new rainfall record for the county. The series of atmospheric rivers that brought the record rainfall caused at least 7 fatalities in California due to heavy rain, flooding, and rough seas.
Atmospheric river brings heavy rain to Bay of Plenty, New Zealand
Heavy rain caused by an atmospheric river hit parts of the Bay of Plenty on November 18, 2025, with MetService reporting localized downpours of 25–40 mm (0.8 to 1.6 inches) per hour and an Orange heavy-rain warning in effect
Arctic air outbreak forecast to impact much of Europe this week
A cold Arctic air mass is forecast to move into much of Europe between November 17 and 21, 2025, lowering temperatures several degrees below normal and producing a mix of hill snow and overnight ice.
Blizzard Warning in effect for Kuskokwim Delta and Nunivak, Winter Storm Warning for the Bering Strait and Seward Peninsula, western Alaska
A Blizzard Warning is in effect for the Kuskokwim Delta coast and Nunivak Island, Alaska, until 05:00 AKST Monday, November 17, 2025, with visibility down to 400 m (1/4 mile), additional snow of 5–10 cm (2–4 inches), and wind gusts up to 80 km/h (50 mph) expected.
Multiple eruptions at Sakurajima volcano disrupt flights at Kagoshima Airport, Japan
Multiple explosive eruptions at Sakurajima’s Minamidake crater in Kagoshima, Japan, on November 16, 2025, sent ash to about 4 400 m (14 400 feet) above sea level, prompting ashfall forecasts and flight cancellations at Kagoshima Airport.
Heavy snow over the Sierra Nevada on Monday
Heavy snow and gusts to about 65 km/h (40 mph) are forecast for the West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park in California on Monday, November 17, 2025, with a Winter Weather Advisory in effect until 16:00 PST. A brief break is forecast for Tuesday and Wednesday, followed by increased chances for rain and snow showers on Thursday, November 20.
