A thousand-year storm means that a storm of a specific magnitude has a 1 in 1,000 chance or higher of occurring in a given year, according to the USGS
A day after declaring a state of emergency due to an unprecedented storm that inundated San Diego County, the city's mayor Todd Gloria visited the hard-hit communities in Southeastern San Diego and detailed what is being done to help.
"I’m heartbroken by the losses I saw this morning," Gloria said. "This is very real. What we have is a large number of San Diegans that are going to be in recovery mode – not hours or days, but measured in weeks or months."