Total Precipitation: 5 Southern California Cities Set Records Monday


A powerful storm that moved across southern California on Monday set several precipitation records as it flooded the area.

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

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

As the atmospheric river-fed storm progressed, flood advisories were issued for LA, Ventura and Santa Barbara counties through Monday afternoon as heavy rains increased the risk of flooding in the region. pavement and debris flows in recent burn areas.

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

Record total precipitation

Long Beach recorded record rainfall, registering 0.13 inches on Monday, which broke 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 of 1951.

Camarillo Airport in Ventura County also recorded 0.7 inch precipitation on Monday, breaking the old record of 0.39 inch set in 1940.

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

A record rainfall of 1.28 inches was set at the 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 drilling rigs, flooded streets, caused rock slides and resulted in power outages and road closures.

The weather service on Monday called preliminary precipitation totals “mind-boggling,” the Associated Press reported.

At the base of Marin County’s Mount Tamalpais, 11 inches of rain was recorded. As downtown San Francisco received 4 inches of rain – the fourth wettest day on record in the city.

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

The storm triggered warnings regarding the use of beaches along the southern California coast.

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

The LA County health official also warned residents that bacteria, chemicals, debris, waste and other public health hazards from city streets and mountainous areas are likely to contaminate the waters. oceanic around storm sewers, streams and rivers. A notice is in effect until Thursday afternoon.


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