Up to 80 homes damaged by tornado in Flores da Cunha, Brazil
A tornado struck the rural community of Alfredo Chaves in Flores da Cunha on Monday, December 8, 2025, causing structural damage to dozens of residences and leaving hundreds without power.
Blizzard warnings in effect for parts of West Virginia and western Maryland
Blizzard warning have been issued with snowfall totals of up to 30 cm (12 inches) being forecast across the high western slopes along with gusts of 80 km/h (50 mph) across multiple mountain counties. The warnings are in effect for parts of West Virginia, western Maryland, and western Virginia from 10:00 EST Wednesday, December 10, 2025 to 10:00 EST Thursday, December 11.
Major atmospheric river brings heavy rain and flooding to Pacific Northwest
Two successive atmospheric river pulses are affecting the Pacific Northwest this week, delivering multi-day heavy rainfall and flooding risk across western Washington and northwestern Oregon. The first made landfall early December 9, and a stronger second pulse is forecast to arrive late December 9–early December 10, maintaining high integrated vapor transport and major flood potential through December 11.
Intense cyclone over southern Brazil forecast to produce heavy rain, thunderstorms, and strong winds
An intense extratropical cyclone is forming on Tuesday, December 9, 2025, over Rio Grande do Sul, bringing widespread rainfall, severe thunderstorms, and damaging winds across southern Brazil.
Winter storm warnings in effect across northern U.S. as strong clipper system impacts the region
Large portions of the northern United States are under winter storm warnings as a strong Alberta clipper advances into the Upper Midwest and separate winter storms persist across the northern Rockies from Tuesday morning through early Wednesday, December 9-10, 2025.
Severe winds and hazardous seas forecast for Ireland and the UK as Storm Bram deepens
A rapidly deepening Atlantic low, named Storm Bram, is forecast to pass close to the western coasts of Ireland, Northern Ireland and the Outer Hebrides on Tuesday, December 9, 2025, bringing very strong southerly winds, heavy rain and exceptionally high seas. The system forms part of an active North Atlantic storm train linked to recent Polar Vortex disruption.
Medical shortages and disease cases rise as Cyclone Senyar death tolls climbs to 940, Indonesia
Health complications are spreading in flood-hit in the provinces of North Sumatra, West Sumatra, and Aceh, as medical facilities face severe disruptions. Officials confirm 940 deaths and 276 people missing following Cyclone Senyar’s impact in Indonesia as of Sunday, December 7.
Small meteotsunami observed across North Island coasts, New Zealand
A small meteotsunami was observed along New Zealand’s East Coast and Lake Taupō last week as a strong weather system swept across the upper North Island, GeoNet reported on December 8, 2025.
Alberta Clipper prompts winter storm watches in Minnesota, Wisconsin, North Dakota, and Wyoming
A strong Alberta clipper will bring heavy snow and gusty winds to the northern Plains and Upper Midwest from Tuesday, December 9, through early Wednesday, December 10, 2025, prompting winter storm watches across multiple states.
Strong atmospheric river triggers flood watches and warnings in Washington and Oregon
Flood watches and warnings were issued across western Oregon and Washington on December 7, 2025, valid through December 12, as strong atmospheric river produces sustained rainfall, rising river levels and increasing landslide risk.
