Powerful waves from a series of atmospheric rivers caused the Santa Cruz Wharf to collapse, claimed the life of a man at Sunset State Beach, and left another missing at Marina State Beach on Monday, December 23, 2024.
A series of atmospheric rivers (ARs) is set to impact the Pacific Northwest and Northern California over the next seven days, with heavy precipitation and potential flooding expected across the region.
A series of atmospheric rivers (ARs) is forecast to bring heavy precipitation, flooding risks, and winter storm impacts to the U.S. West Coast this week, with the first AR making landfall on Tuesday, December 17, 2024. The fourth and fifth ARs are forecast to make landfall on December 21 and 22. Up to 500 mm (20 inches) of rain expected in some areas and significant streamflow rises in western Washington and Oregon.
Foggy conditions on the Pontchartrain Causeway in Louisiana led to a massive multi-vehicle pileup involving 40 – 50 vehicles on Tuesday morning, December 17, 2024, injuring 33 people and shutting down the bridge for hours.
A rare tornado touched down in Santa Cruz County’s Scotts Valley, Northern California on Saturday, December 14, 2024, causing 5 injuries and significant damage, including flipped cars, downed power lines, and uprooted trees. This event was part of a larger weather system that also led to San Francisco’s first-ever Tornado Warning.
A severe ice storm caused dangerous travel conditions across central and eastern Iowa on December 13 and 14, 2024, leading to dozens of crashes and power outages.
San Francisco experienced its first-ever Tornado Warning on Saturday morning, December 14, 2024, issued as a powerful storm system swept through the region with heavy rain and strong winds.
New York Governor Kathy Hochul declared a State of Emergency for parts of Western New York, the Finger Lakes, Central New York, and the North Country regions, as heavy lake-effect snow is expected to bring up to 90 cm (3 feet) of accumulation in the third lake-effect snowstorm of the season.
A strong atmospheric river (AR) is set to impact the Southeastern and Northeastern U.S. this week, bringing anomalously high moisture levels and the potential for heavy rainfall and rapid snowmelt. Forecasts indicate the system will strengthen between December 10 and 11, driven by a plume of tropical moisture from the Gulf of Mexico and a cold front.
A series of atmospheric rivers (ARs) and mid-level shortwave troughs are forecast to deliver significant precipitation to the United States West Coast starting mid-week, potentially extending into next week. Forecasts indicate that California, Oregon, and Washington will experience varying levels of rainfall intensity, with Northern California likely at the epicenter of the heaviest activity. The first AR in the series is expected to reach California on Wednesday, December 11, 2024.
