The first of two storms in Southern California arrived on Thursday, prompting flood advisories in some areas.
One to three inches of rain is expected with 10 to 20 % chances of thunderstorms on Thursday, according to the National Weather Services.
"While the rain will be quite heavy at times, due to the shorter duration of the event impacts are expected to be relatively minor with mainly typical roadway ponding of water and slick driving conditions and flood advisories should be sufficient to handle this event," according to the NWS.
"However, with a 10-20 percent chance of thunderstorms, rain rates in very localized areas could be high enough to require a flash flood warning."
At 8:14 a.m., the NWS issued a flash flood warnings for Long Beach, Rancho Palos Verdes, and Lomita until 11:15 a.m.
Hours earlier, just before 5 a.m., flood advisories were put into effect just before 5 a.m. in Los Angeles County until 8 a.m., while Santa Barbara County’s and Ventura County’s were in effect until 5:45 a.m., according to the National Weather Service.
The NWS added that the largest storm of the season is expected to begin Saturday night and will move into Sunday.
"There are more than a few (forecasts) that call for much higher amounts than those. Citizens and authorities need to be aware of the likelihood of significant hydrologic issues, including: rock and mud slides in the mountains and flooding of small streams and rivers as well as some chances for flooding of the larger rivers and streams,” according to the NWS. "Significant and hazardous snowfall amounts will be possible above 6,000 feet through Monday night. Lower elevation snow down to around 4,000 feet is possible by later Tuesday into Wednesday."
Brian Humphrey with the Los Angeles Fire Department told KNX News’ Jon Baird drivers need to be extra cautious while on the road during these storms.
“When it comes to still or moving water, be certain to turn around and don't drown,” he said. “If your car does become stranded, stay with your vehicle and if necessary move to the roof or hood of the vehicle until rescuers can arrive.”
Residents are encouraged to stay up to date and sign up for county alerts at https://calalerts.org/.
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