Millions are bracing for a major storm system forecast to bring severe weather across the U.S., including damaging winds, heavy snowfall, and the threat of tornadoes. The system is set to bring blizzard conditions to the West, severe thunderstorms to the Midwest, and critical fire weather to the Southern Plains, impacting millions through the weekend.
As Japan marks the 14th anniversary of the 2011 Tohoku mega-quake—a magnitude 9.0 disaster that killed nearly 16 000 and triggered the Fukushima crisis—a new study from Tohoku, Hokkaido, and JAMSTEC researchers warns that strain building in the Chishima Trench off Hokkaido could unleash another magnitude 9.0 quake in the coming decades.
Two atmospheric rivers (ARs) are forecast to bring winter storm conditions to California, Oregon, and much of the U.S. West Coast starting March 11 and continuing into the weekend. Heavy precipitation and snow accumulations are to expected along with strong winds in the affected regions.
A tornado struck Seminole County, Florida, at approximately 09:30 EDT on March 10, 2025, impacting the FOX 35 News studio in Lake Mary during a live broadcast. The radar-confirmed tornado, estimated to be an EF-0 or brief EF-1, crossed Interstate 4 near the Lake Mary exit, causing structural damage and overturning vehicles.
Two atmospheric rivers (ARs) along with a low-pressure system are forecast to bring significant precipitation to much of the U.S. West Coast from March 8 to 14, 2025.
Record-breaking rainfall hit Bahía Blanca, Buenos Aires Province, on March 7, 2025, causing severe floods in which at least 10 people lost their lives.
A powerful winter storm swept through much of the Midwest and southern United States starting Tuesday, March 4, 2025. The storm claimed 6 lives, spawned over 20 tornadoes, caused hundreds of crashes, and delivered over 46 cm (18 inches) of snow in some areas.
Tropical Cyclone Alfred stalled off the coast of southeast Queensland on Wednesday night into Thursday morning, March 5–6, 2025. The system is now forecast to make landfall between Noosa and Coolangatta late on Friday or early Saturday, March 7–8.
The final polar vortex collapse of the 2024–25 winter season has begun with one of the strongest sudden stratospheric warming (SSW) events being forecast to develop and bring late-season cold to much of the U.S.
A Tornado Watch remains in effect on Tuesday, March 4, 2025, for areas east of the Dallas-Fort Worth metroplex in Texas as a line of strong storms moves across the region. The storms are expected to clear the area by midday, after which a Red Flag Warning will take effect for Killeen in Central Texas. Strong, dry winds following the system—forecast to reach 40—55 km/h (25—35 mph) with gusts up to 80 km/h (50 mph)—will increase fire weather risks, shifting the primary hazard from severe storms to the potential for rapid fire spread.
