Ahead of a storm system expected to bring heavy rain , hail and snow to California , the US ' National Weather Service placed large areas of the north of the state on a flood warning . The storm is expected to drop 13 cm of rain in the San Diego region next day , further saturating land that has received heavy rainfall since the start of the year . The advisory comes after a storm in Southern California killed at least five people last year . California is especially susceptible to flooding because wildfires have left areas with severely scarred - hills , the California Governor 's Office of Emergency Services said .
Ahead of a storm system expected to bring heavy rain, wind and snow to California, the US' National Weather Service placed large parts of the north of the state on a flood warning. The storm is expected to drop 13 cm of rain in the San Francisco region next week, further saturating land that has received heavy rainfall since the start of the year. The advisory comes after a storm in Southern California killed at least five people last week. California is especially susceptible to flooding because wildfires have left areas with burn scarred-hills, the California Governor's Office of Emergency Services said.