An atmospheric river (AR) and low-pressure system are forecasted to bring widespread precipitation, including heavy snowfall in the Sierra Nevada and potential flooding along the US West Coast, from February 28 through March 3, 2024.
California, still reeling from a historic atmospheric river that left nine people dead and hundreds of mudslides, faces a new threat from a fast-moving storm.
An intense atmospheric river event hit California on Sunday, February 4, 2024, prompting Gov. Gavin Newsom to declare a state of emergency in eight counties due to the potential for “life-threatening” flooding, mudslides, and widespread power outages. The National Weather Service warns of significant rainfall, powerful winds, and heavy snowfall continuing over the next few days.
Starting Tuesday night, January 30, 2024, an atmospheric river will affect southern Oregon and northern California, bringing widespread rain, heavy mountain snow, and strong winds, with impacts expanding to central California and continuing through February 2.
The Eastern and Midwest regions of the United States are bracing for heavy precipitation this week, as two low pressure systems and associated atmospheric rivers (AR) pose significant flood risks and severe weather threats.
The Pacific Northwest is bracing for a prolonged winter storm that is forecasted to last through the weekend, threatening the region with a mix of heavy rain in the coastal ranges and lower Cascades and significant snowfall in the mountain passes. This event corresponds with the CW3E’s forecast of several atmospheric rivers, set to affect the area from Saturday, December 2, through the following week.
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.
A series of atmospheric rivers are slated to affect the Pacific Northwest, starting today and lasting until Monday. The most intense activity is forecasted for Sunday, October 15, 2023, with the potential for strong atmospheric conditions in coastal Oregon.
Several Atmospheric Rivers (ARs) are set to influence the coasts of Washington, Oregon, and Northern California starting Friday, October 13, 2023, and lasting through the following week. This sequence of weather events is forecasted to bring considerable rain, though no rivers are expected to exceed flood levels.
Another atmospheric river event is forecast to bring more heavy rain across parts of New Zealand’s North Island in the coming days following an unprecedented rainfall event that brought severe flooding to the Auckland area and left 4 people dead on January 27, 2023.
