More than 200 people have died in weeks of torrential rain and severe flooding across southern Africa, with Mozambique, South Africa and Zimbabwe bearing the worst impacts. The prolonged La Niña pattern has intensified the region’s rainy season, leaving widespread damage to homes, roads, crops and public infrastructure.
A major polar vortex disruption has begun and is forecast to send Arctic air into much of North America and Europe through mid and late January 2026. The event will bring freezing temperatures and winter weather as the vortex weakens following a stratospheric warming episode. A second, stronger outbreak is forecast to occur during the last part of January as the core of the vortex splits into two halves, each driving cold Arctic air into Europe and North America in February.
A stratospheric warming event over the North Pole is expected to weaken the polar vortex and may lead to a core split around January 25, 2026. The disruption could cause another surge of Arctic air, bringing below-average temperatures and snow to large parts of the U.S. and Europe.
A powerful winter storm struck the Kamchatka Peninsula overnight on January 13, 2026, dropping 30% of the region’s monthly precipitation in 24 hours. Small avalanches were reported in snow-covered neighborhoods across the region. The storm added to existing accumulations from previous winter storms, one of which brought the heaviest snowfall on record to Moscow between January 8 and 9.
A strong meteotsunami impacted Argentina’s Atlantic coast on January 12, generating an abrupt sea-level rise and destructive waves that struck Santa Clara del Mar and nearby beaches in Mar Chiquita Partido. The event occurred during the late afternoon, between 16:20 and 17:00 local time (19:20–20:00 UTC), while beaches were full under hot summer conditions. Witnesses…
An atmospheric river that impacted Alaska on January 9, 2026, is forecast to propagate down the coast and merge with a second plume, delivering a 48–72-hour period of AR conditions over western Washington from January 10 to 12. Forecast guidance indicates 100–150 mm (4–6 inches) of rain over the Olympic Peninsula, 50–100 mm (2–4 inches) over the northern Washington Cascades, and 25–50 mm (1–2 inches) over the Cascade foothills, with freezing levels rising above 1 830 m (6 000 feet).
After its snowiest December in more than eight decades, Juneau, Alaska, now faces flooding threats as warm Pacific air brings heavy rain over deep snow. The National Weather Service (NWS) warns that clogged drains and rapid snowmelt could trigger flooding in streets and small streams through the weekend.
Storm Goretti struck the United Kingdom on January 9, 2026, causing at least 2 fatalities in England and Wales. Winds reached 160 km/h (100 mph) as the storm brought heavy snow and significant coastal flooding, leaving nearly half a million customers without power — approximately 1.2 million people. The Met Office issued rare red wind warnings for southwest England as power cuts, flight cancellations, and travel disruption spread across the country.
Snow squall warnings were issued for parts of Washington on January 7, 2026 as a severe winter storm brought heavy snowfall across the region, triggering multiple crashes, and prompting road closures.
A pair of cross-country storm systems will affect large parts of the United States through Friday, January 9, 2026, bringing widespread rain, mountain snow, and a risk of severe thunderstorms. Heavy snowfall is forecast for the Cascades and the southern Rockies. Flash floods and severe thunderstorms are forecast across the Lower Mississippi and Tennessee Valleys by the end of the week.
