Atmospheric river could bring a month of rain to Sacramento in 48 hours

An atmospheric river is forecast to impact Sacramento with heavy rainfall, potentially delivering a month's worth of rain in just 48 hours, according to theeconomiccollapseblog.com. This weather event follows a pattern of storms bringing moisture plumes known as atmospheric rivers to the Pacific Northwest and British Columbia, where heavy rain and significant mountain snow are expected.

The blog notes that while this upcoming atmospheric river will cause inconvenience, it is not expected to be catastrophic by itself. However, the concern is that back-to-back atmospheric rivers could occur on a nearly weekly basis by January, increasing the risk of an "ARkStorm," a prolonged and severe storm event in California's history.

An "ARkStorm" is more likely during El Niño years, and the 2026-2027 Super El Niño is projected to be the most powerful ever recorded. This could turbocharge atmospheric rivers approaching California, leading to colossal rainfall amounts over the winter months, particularly December through February.

Historically, California has experienced "ARkStorm" conditions multiple times over the past 1,800 years. The current developing pattern of repeated atmospheric rivers will be closely monitored to see if such a severe storm event materializes this season, which would have significant impacts on the Sacramento area and statewide.