California, rain and storm
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Officials in Los Angeles and surrounding counties warned that the giant holiday storm could trigger "widespread flash flooding."
Heavy rain dropped visibility for drivers early Wednesday in Orange County, California, as a powerful storm with the potential for life-threatening flash flooding moved onshore.
A Severe Thunderstorm Warning has been issued for east central Ventura County and northwestern Los Angeles County until 8:30 a.m.
The National Weather Service says snow and high winds are expected, while heavy rain could pose possibly 'life-threatening' risks in parts of the region.
1don MSN
Flash flood, thunderstorm alerts in effect for California with heavy rain expected to last days
More than 41 million Americans across California, Nevada and Arizona are under flood watches on Wednesday amid a rare, high risk for excessive rainfall and flooding.
The National Weather Service extended a Flash Flood Warning for parts of Los Angeles and Ventura counties, effective until 6 p.m. Wednesday.
Over a month's worth of rain is expected in a few days across parts of Southern California, forecasters warned.
Residents who survived this year's devastating wildfire in Altadena, California, and are still recovering from the shock now face severe floods and another evacuation. Andres Gutierrez reports.