• San Francisco exceeds seasonal rain totals, another atmospheric river and extremely dangerous winds approaching California, U.S.

    Severe storms swept through California on Thursday, February 1, 2024, causing widespread flooding, power outages, and fallen trees. The first of two storms, part of strong atmospheric river systems, hit the San Francisco Bay Area before moving south towards Los Angeles, delivering over 100 mm (4 inches) of rain in some areas. Officials warn of a “significant threat” from an even larger storm expected over the weekend, with the potential for excessive rain, heavy snow, and strong winds across the state through Tuesday, February 7.

  • Seismic activity and ground deformation surge at Kīlauea’s summit, Hawaii

    Increased earthquake activity and signs of magma movement beneath Kīlauea’s summit, detected on January 31, 2024, have prompted the USGS Hawaiian Volcano Observatory to elevate the volcano’s alert level from ADVISORY/YELLOW to WATCH/ORANGE. With over 500 earthquakes recorded since midnight and ground deformation indicating pressurized magma chambers, the risk of an eruption remains high.

  • Strong atmospheric river to impact the US West Coast

    Starting Tuesday night, January 30, 2024, an atmospheric river will affect southern Oregon and northern California, bringing widespread rain, heavy mountain snow, and strong winds, with impacts expanding to central California and continuing through February 2.

  • Winter storms cause over 70 deaths across nine US states

    Since January 12, 2024, a series of winter storms and an outbreak of cold air have led to at least 40 deaths across nine US states. The severe weather has caused significant disruptions, including power outages affecting over 85 000 homes and businesses in Oregon, hazardous travel conditions, and extensive road closures. The latest forecasts indicate another round of extreme cold and heavy snowfall across the central and eastern US.

  • Major winter storm targets Midwest to Great Lakes with heavy snow and blizzard conditions, U.S.

    A powerful winter storm is set to bring heavy snow, strong winds, and blizzard conditions across the Midwest to the Great Lakes through Saturday, January 13, 2024. Following this storm, dangerously low temperatures are forecasted for the Rockies and Plains. This storm system is part of the same weather pattern that caused significant disruptions in southern Ontario, Canada.

  • Historic coastal flooding expected in Maine on Saturday, January 13, 2024

    A potent, fast-moving storm is expected to bring historical coastal flooding to Maine on Saturday morning (LT), January 13, 2024. The state is bracing for a combination of major coastal flooding, strong winds, heavy rainfall, and snow in mountainous regions, predominantly during the morning. The most severe rain and wind conditions are forecasted between 06:00 and 10:00 LT, with the most critical coastal flooding anticipated around 12:00 LT, coinciding with the high tide.

  • Florida’s Bay County hit by first EF3 tornado since 1970s

    The National Weather Service has confirmed that the tornado that struck Panama City Beach, Florida, on January 9, 2024, was an EF3, marking the first occurrence of such a severe tornado in Bay County in over half a century.

  • U.S. faces first major Arctic outbreak of winter, dangerously cold wind chills expected

    The United States is bracing for its first significant Arctic air outbreak of the winter, impacting the north-central region with bitterly cold wind chills and extending through the weekend. The northern Rockies and Plains are particularly at risk, with the Arctic surge also expected to bring record-breaking cold to the south-central U.S.