• California set for significant precipitation as atmospheric river develops

    An evolving storm system off the California coast, forecasted to develop into at least one atmospheric river, is set to deliver substantial rainfall and snowfall across the West Coast starting this weekend. With the Northeast Pacific Ocean as the stage, the interaction of several low-pressure systems is predicted to have significant impact, particularly from November 14 to 17, as per the Atmospheric River Reconnaissance field campaign.

  • Significant early-season winter storm brings heavy snowfall to portions of the Northwest, Northern Rockies, and Northern Plains

    A long-duration, early-season snowstorm began Tuesday afternoon, October 24, 2023, across portions of the Pacific Northwest, Northern Rockies, and Northern High Plains. Moderate to heavy snowfall is forecasted for these locations over the next few days. Heavy snow bands will likely result in hazardous travel conditions and poor visibility.

  • October snow in Fairbanks almost doubles the seasonal average for this time of year

    On October 22, 2023, Fairbanks, Alaska experienced an uncommon surge in snowfall, with the National Weather Service (NWS) Fairbanks office recording 8.9 cm (3.5 inches) of snow on that day alone. The snow depth in the region has reached 22.9 cm (9 inches), pushing the seasonal total to a remarkable 36.3 cm (14.3 inches), which is nearly double the usual amount for this time of year.

  • Two long-track tornadoes strike Tampa Bay, Florida

    On October 12, 2023, two long-track tornadoes swept through parts of Tampa Bay, Florida, U.S., significantly affecting Citrus, Pinellas, and Pasco counties. The early morning twisters caused extensive damage, leading to road closures and class cancellations in Citrus County.

  • Widespread severe thunderstorms across the Plains, U.S.

    A storm system exiting the West will trigger widespread severe thunderstorms across the Plains on Tuesday. These storms are expected to produce large hail, damaging winds, heavy rain, possible flooding and a couple of tornadoes across the region. Ahead of this sprawling system, a number of record high temperatures are possible from the Upper Mississippi Valley and Great Lakes into the Northeast.