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.
A plume of moisture from Hurricane “Rafael” moved northward into the Southeastern United States and collided with a stationary front over South Carolina, causing intense rainfall in Orangeburg County on November 6 and 7, 2024. The extreme rainfall, totaling 180 – 380 mm (7 – 15 inches) in 24 hours, overwhelmed local ponds and dams, leading to failures that sent water downstream, damaging bridges and roads near Norway, South Carolina.
A severe winter storm impacting parts of Colorado and New Mexico is expected to bring additional heavy snowfall on Friday, November 8, 2024. Parts of the area had already accumulated 25 – 50 cm (10 – 20 inches) of snow by Thursday night, November 7, prompting the Colorado governor to declare a disaster emergency for what could be Denver’s most severe snowstorm in 30 years. Snowfall rates of 2.5 – 5 cm per hour (1 – 2 inches per hour) are anticipated to continue across the region, with total snow accumulations forecast to reach 30 – 120 cm (1 – 4 feet) in some areas.
The National Weather Service has issued warnings for a prolonged snowfall event impacting the southern Rockies starting on Wednesday, November 6, 2024, as an upper-level low brings cold air and snow to high elevations in northern New Mexico and southern Colorado. Areas along the Colorado-New Mexico border could see several feet of snow.
