A powerful, rapidly intensifying cyclone wreaked havoc across the northwestern United States and parts of Canada on Wednesday, November 20, 2024, causing at least 2 deaths and leaving more than 600 000 customers (approximately 1.5 million people) in the U.S. without power. Another 140 000 customers (approximately 335 000 people) were left without power in B.C., Canada.
A powerful AR4 atmospheric river made landfall in the Pacific Northwest and Northern California on November 19, 2024, bringing prolonged rainfall, heavy snowfall, and significant flooding risks that are expected to worsen through November 22. Meteorologists warn that the storm could bring up to 380 mm (15 inches) of rain to the Coast Ranges and Sierra Nevada, with some areas potentially receiving more.
Severe thunderstorms, heavy rain, and snowfall are forecast across the central United States as a deep low-pressure system strengthens on Monday, November 18, 2024, posing significant risks to parts of the Plains and Upper Midwest.
A powerful Pacific low pressure system will impact the Northwest United States and Canada with strong winds, heavy rains and heavy mountain snow, starting Tuesday, November 19, 2024. The storm is expected to rapidly intensify as it approaches the coast.
The National Weather Service (NWS) in Medford, Oregon, is warning residents that the incoming atmospheric river could stall across the region, leading to a prolonged period of moderate to heavy rainfall. The highest amounts are expected in Curry County, with a potential threat that the Coquille River at Coquille could reach a minor flood stage.
A coastal storm struck North Carolina from the night of Thursday, November 14, 2024, into Friday, November 15, resulting in a house collapse in Rodanthe Village. Flooding caused by the storm led to the closure of a state highway, and debris forced the closure of a beach in the village.
The latest model guidance suggests a major atmospheric river could hit the Pacific Northwest and Northern California early next week, with the ECMWF EPS control member forecasting AR3-4 conditions from central Oregon to Northern California. Although timing and duration remain uncertain, 70% of EPS members predict AR4 or AR5 conditions in coastal southern Oregon, according to the Center for Western Weather and Water Extremes (CW3E).
A cold snap will grip large portions of the United States as a storm system begins to form east of the Rockies on November 18, 2024 with freezing temperatures and high winds sweeping from the Central Plains to the Great Lakes by November 23.
A powerful dust storm swept through California’s Madera County on Monday afternoon, November 11, 2024, leading to a 20-car pileup due to reduced visibility on the State Route 152.
A strong Atmospheric River is set to bring significant low-elevation rain and high-elevation snow to the Pacific Northwest and Northern California beginning Tuesday evening, November 12, 2024. The system will continue moving eastward, impacting a wide swath of the western and central United States with varied precipitation, including rain, snow, and thunderstorms.
