Rivers and reservoirs were the culprit, after storm surges from the rising ocean and relentless rain filled them beyond capacity. (nbr.com)
The hills of southern California, stripped bare by massive wildfires, could liquefy under relentless rains (scientificamerican.com)
The San Francisco Bay Area is getting flooded with relentless rain and strong winds, just like it did a week ago, and fears of rising water are now becoming very serious (scientificamerican.com)