Rainfall totals: 5 Southern California cities set records on Monday

A powerful storm that moved through southern California on Monday set multiple records for rainfall as it flooded the area.

Many areas of Los Angeles County received more than an inch of rain, especially in the mountains, the National Weather Service reported early Tuesday morning.

The mountains of Santa Barbara County received even more rain, with 4.54 inches recorded at San Marcos Pass, 3.56 inches at Tecolote Canyon and 3.54 inches at Refugio Pass.

As the atmospheric river-fed storm moved in, flood advisories were issued for Los Angeles, Ventura and Santa Barbara counties through Monday afternoon as heavy downpours increased the risk of flooding in roads and debris flows in recently burned areas.

People living near the Alisal Fire burn area in Santa Barbara County were ordered to shelter in place at some point Monday.

Total rainfall record

Long Beach saw record rainfall, registering 0.13 inches on Monday, breaking the previous record of 0.08 inches set in 2010, according to the Weather Service.

At Los Angeles International Airport, a record rainfall of 0.39 inches surpassed the old record of 0.19 inches from 1951.

Camarillo Airport in Ventura County also recorded rainfall of 0.7 inches Monday, breaking the old record of 0.39 inches set in 1940.

At the Santa Barbara airport, record rainfall of 0.96 inches broke the record of 0.02 inches set in 2000.

Record rainfall of 1.28 inches was recorded at Santa Maria Airport in Santa Barbara County, breaking the old record of 0.3 inches in 1951.

Several other records were broken further north, where the storm toppled large platforms, flooded streets, caused landslides and led to power outages and road closures.

The weather service on Monday called the preliminary rainfall totals “staggering,” the Associated Press reported.

At the foot of Mount Tamalpais in Marin County, 11 inches of rain was recorded. While downtown San Francisco received 4 inches of rain – the fourth wettest day on record for the city.

“We literally went from fire/drought conditions to flooding in one storm cycle,” the local weather office said.

The storm triggered warnings about beach use along the southern California coast.

The city of Long Beach’s health official issued a rain advisory for the city’s beaches and recreation bays, warning of unhealthy conditions from storm sewer outlets and river runoff.

The LA County health official also warned residents that bacteria, chemicals, debris, litter and other public health hazards from city streets and mountain areas can contaminate waters. ocean around storm drains, streams and rivers. A notice is in effect until Thursday afternoon.

Bernard P. Love