A prolonged Atmospheric River will produce heavy snow across much of the U.S. West through Wednesday, December 15, 2021. Snowfall of 60 – 150 cm (2 – 5 feet) or more is likely in the Sierra Nevada, with 30 – 90 cm (1 – 3 feet) expected across much of the western…
A violent tornado outbreak took place across the U.S. South and Midwest on Friday, December 10 into Saturday, December 11, 2021, placing more than 16 million people under a tornado watch. In 24 hours to 11:10 UTC on December 11, the NWS Storm Prediction Center…
A major winter storm will expand across the Central Plains, Upper Midwest, and Great Lakes on Friday, December 10, and Saturday, December 11, 2021. Snowfall rates of 50 mm (2 inches) per hour are possible, producing near whiteout conditions and dangerous…
A sweeping cold front will bring widespread showers along the U.S. East Coast this week, followed by lake effect snow across the Great Lakes region. As the holiday week gets off and running, much of the continental U.S. will be devoid of hazards the first half of…
Another round of heavy rain caused by atmospheric river caused major flooding and landslides in southern British Columbia, Canada, and parts of Washington and Oregon in the United States on November 14 and 15, 2021. Some parts of the region received nearly 255 mm…
Snow and blustery conditions are forecast to continue in the Upper Midwest on Friday, November 12, 2021, as a strong low slowly retreats northward. On Saturday and into early Sunday, November 13 into 14, another storm system, known as Alberta clipper, will deliver…
An atmospheric river impacted southern Alaska over the past couple of days, bringing prolonged heavy rainfall which resulted in historic rainfall totals. The rain began on Friday, October 29 and continued through November 3. Flooding was reported in Girdwood, near…
Heavy lake-effect snow hit areas around Great Lakes on November 2 and 3, 2021, dropping nearly 30 cm (1 foot) on parts of the region. A weather station in northern Michigans' Gaylord registered 29.7 cm (11.7 inches) of snow in 24 hours on November 2, making it…
A rapidly intensifying coastal storm affecting parts of the Northeast U.S. since October 25, 2021, brought strong winds and flooding rains, from New Jersey into most of southern New England. This is the first nor'easter of the season, with the worst effects…
A strong storm off the Pacific Northwest will continue directing a stream of heavy rain, high elevation snow and gusty to high winds over much of central and northern California, the Sierra Nevadas and the Great Basin Monday, October 25, 2021. Thunderstorms…
