• Heavy lake-effect snow creates whiteout conditions, disrupts travel south of Chicago

    Powerful bands of lake-effect snow brought traffic on parts of Interstate 57 (I-57) south of Chicago, Illinois, to a standstill amid whiteout conditions on the morning of November 10, 2025. The National Weather Service (NWS) warned drivers to use extreme caution as snowfall rates exceeded 7 cm/h (3 in/h) in localized bands, producing near-zero visibility and hazardous travel across portions of northeastern Illinois.

  • Rio Bonito do Iguaçu tornado upgraded to EF-4, placing Brazil among sites of 2025’s most violent tornadoes worldwide

    A new assessment by MetSul Meteorologia confirms that the deadly tornado that struck Rio Bonito do Iguaçu, Paraná, Brazil, on November 7, 2025, reached EF-4 intensity on the Enhanced Fujita Scale, with estimated wind speeds between 250 km/h and 300 km/h (155 mph to 186 mph). The event killed six people, injured more than 400, and destroyed much of the city’s urban area, making it one of the most intense tornadoes recorded globally in 2025.

  • Super Typhoon Fung-wong (Uwan) makes nighttime landfall in northern Luzon, Philippines

    Super Typhoon Fung-wong (known locally as Uwan) made landfall over Dinalungan, Aurora, northern Luzon, at about 21:10 LT (13:10 UTC) on November 9, 2025, with maximum sustained winds near 185 km/h (115 mph) and gusts up to 230 km/h (143 mph). More than 1.1 million people were pre-emptively evacuated across 12 regions, and at least two fatalities and two injuries have already been confirmed.

  • Atmospheric river forecast to bring heavy precipitation to California from November 12 to 15

    A developing low-pressure system over the Northeast Pacific is forecast to direct a strong atmospheric river (AR) toward California between November 12 and 15, 2025. The Center for Western Weather and Water Extremes (CW3E) indicates a high probability of moderate to strong AR conditions in Northern and Central California, with heavy precipitation possible in the Sierra Nevada and coastal ranges.