The storm elevated water levels on the Sacramento River above 32 feet, pushing water over the Fremont Weir and into the Yolo Bypass on March 12. The small agricultural community of Pajaro was evacuated on March 11 after floodwater breached a levee. The latest event happened just a few days after another atmospheric river dumped 5 to 13 inches (13 to 33 centimeters) of rain over parts of Monterey County on March 10-11, 2023. Some fields may be intentionally flooded by rice farmers who use water to manage pests.Ītmospheric rivers-vast airborne corridors of water vapor-are some of the most hazardous storm types in the middle latitudes because of how much precipitation they can produce. Rice, tomatoes, almonds, and plums are grown in this part of California’s Central Valley. Flooded agricultural fields can be seen to the north of Sacramento. That is just a foot shy of the record level set in 1997, according to the National Weather Service. The previous morning (March 15) the Sacramento River at Red Bluff (120 miles north of downtown Sacramento) flooded to 259 feet in elevation. Snow appears light blue in the false-color images, water dark blue, and vegetation green. The false-color image on the left shows the same area on the same date in 2022. The clouds parted on March 16, allowing the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite to acquire a clear false-color image (right) of Sacramento and the San Francisco Bay Area. Hundreds of thousands of people lost power as the storm toppled trees, unleashed mudslides, and flooded streets.
Two successive atmospheric rivers hit California in March 2023, bearing rain, snow, and strong winds.
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