San Francisco Mayor Daniel Lurie declared a local emergency on Friday as the city prepares for potential severe storms and coastal flooding associated with El Niño this winter.
Sonoma County officials are stepping up preparations for a potentially wet winter, declaring an emergency Tuesday as forecasters warn that a strong El Niño could bring unusually heavy rain.
So far this year, there have only been eight named storms and zero hurricanes in the Atlantic.
At state warehouses, millions of sandbags and other flood-fighting supplies are being staged for rapid deployment. Marin County Public Works officials say the materials will supplement an already extensive local inventory as communities prepare for winter storms and unusually high King tides.
Powerful Hurricane Polo sent bands of heavy rain across Mexico's Pacific coast Thursday as a growing Tropical Storm Nolo approached Hawaii with the potential for catastrophic flooding.