Powerful storm slams Southern California, snarls traffic and raises mudslide fears
A moisture-rich atmospheric river dumped rain across Southern California
![MISSION HILLS, CA-DECEMBER 4, 2019: Mission Hills resident Alberto Rodriguez, 32, walks through knee deep water on a flooded street outside of his home, at left, on Woodman Ave. The cause of the flood was a rupture from a 72 inch steel riveted trunk line that was installed back in 1914. (Mel Melcon/Los Angeles Times)](https://ca-times.brightspotcdn.com/dims4/default/7159371/2147483647/strip/true/crop/2800x1888+0+0/resize/1424x960!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2F19%2Fe9%2F8d2194314f80a9739604dcd00e57%2Fla-photos-1staff-474651-la-me-rain-across-southland4-mam.jpg)
Mission Hills resident Alberto Rodriguez, 32, walks through knee-deep water on a flooded street outside of his home, at left, on Woodman Avenue. A water line rupture caused most of the flooding. (Mel Melcon /Los Angeles Times)
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A big rig dangles over a ramp connecting the 710 and 60 freeways in Los Angeles amid steady rain early Wednesday. (Irfan Khan / Los Angeles Times)
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Nancy Marquez hugs her dog Perrito in front of her home on a flooded Woodman Avenue in Mission Hills. (Mel Melcon / Los Angeles Times)
![Southland storm](https://ca-times.brightspotcdn.com/dims4/default/cf4075d/2147483647/strip/true/crop/2800x1867+0+0/resize/1440x960!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Ff7%2F2d%2F5a89289e43b49b6f50cace181a90%2Fla-photos-1staff-474651-la-me-rain-across-southland2-mam.jpg)
Alex Diaz empties water into the flooded front yard of his father-in-law’s home on Woodman Avenue in Mission Hills. (Mel Melcon / Los Angeles Times)
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Miguel Cruz leans on his car outside his home in Mission Hills as water streams by on Woodman Avenue. (Mel Melcon / Los Angeles Times)
Low-hanging clouds blanket downtown Los Angeles. (Kent Nishimura /Los Angeles Times)
A man walks near the Broad museum in downtown Los Angeles. (Gabriella Angotti-Jones / Los Angeles Times)
A runner at Main Beach in Laguna Beach. (Allen J. Schaben / Los Angeles Times)
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Blue sky breaks through storm clouds in between rain showers at Ryan Bonaminio Park in Riverside. (Gina Ferazzi/Los Angeles Times)
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Clouds over downtown after heavy rainfall. (Dania Maxwell / Los Angeles Times)