Los Angeles Times

Baja storm may bring rain

A flood watch is in effect in the valleys of San Bernardino and Riverside counties.

- By Alexandra E. Petri and Gregory Yee

After days of recordbrea­king heat, Southern California will face a different set of weather challenges Friday and Saturday: the effects of a tropical cyclone.

Tropical Storm Kay, which was downgraded from hurricane status Thursday evening, is not on track to make landfall in California, but it will affect weather across much of the Southland, meteorolog­ists said.

A flood watch is in effect Friday morning through Saturday evening in the valleys of San Bernardino and Riverside counties as well as the San Diego County valleys, according to the National Weather Service’s San Diego forecast office.

Moisture from the weakening storm, which made landfall on Mexico’s Baja California Peninsula on Thursday evening, is forecast to bring rain and thundersto­rms that could be heavy at times, meteorolog­ists said.

“Going from extreme heat to precipitat­ion is not itself that weird, but the fact we have this much precipitat­ion is pretty rare,” said Brandt Maxwell, a weather service meteorolog­ist in San Diego.

The mountain areas east of San Diego could see up to 6 inches of rain, Maxwell said, and rainfalls of up to 3 inches are expected in some desert areas.

The areas west of the mountains are likely to average only about half an inch of rain, Maxwell said. Wind gusts could be in the 50to-80-mph range.

Areas to the south of Los Angeles County “will catch the brunt of it,” David Gomberg, a meteorolog­ist with the weather service in Oxnard, said .

There is a chance of some heavy rainfall in the mountain and desert areas of L.A. County, and the L.A. Basin could see isolated pockets of heavy precipitat­ion, Gomberg said.

The weather service has issued a flood watch for the Antelope Valley, Los Angeles County mountains and Ventura County mountains.

Most coastal and valley areas of L.A. County should see less than an inch of rain, Gomberg said, but mountains and deserts could see 1 to 2½ inches.

Mountain areas around L.A. as well as Avalon, on Santa Catalina Island, are also expected to see gusty wind, Gomberg said. A gale watch has been called for coastal waters.

High surf is expected from Los Angeles up to Santa Barbara, with Catalina Island expected to see surf of up to 9 feet, he said. Kay is also expected to bring tidal overflow, which could cause minor flooding in coastal areas at high tide.

A storm surge is not expected, Gomberg said.

Parts of Southern California were treated to a prelude of Kay’s expected rainfall Thursday as residents woke up to light precipitat­ion.

Ryan Kittell, a Weather Service meteorolog­ist in Oxnard, said the rainfall was “splattered over” the Los Angeles valley and coastal areas. Montebello recorded about a third of an inch of rain and Glendora about a hundredth of an inch. Other areas may have received brief, scattered rain, but not enough to measure a hundredth of an inch, he said.

“We weren’t expecting it today, that is the surprising part,” Kittell said.

Despite the scattered rain, Angelenos still should be wary of the heat.

California has been baking under a heat dome that has stalled over the region, making this the hottest September on record.

Four daily high temperatur­e records were broken on Thursday.

A high of 97 degrees at Los Angeles Internatio­nal Airport broke the previous record of 93 degrees, which was set in 1984, the Weather Service in Oxnard said.

Paso Robles’ high of 108 degrees broke the previous record, set last year, of 106 degrees.

Anaheim’s high of 103 degrees surpassed the previous record of 102, set in 2015; Newport Beach reached 95 degrees, breaking the previous record of 90 set in 1984, according to the weather service in San Diego.

 ?? Genaro Molina Los Angeles Times ?? A PEDESTRIAN uses an umbrella Thursday as light rain hits parts of the Southland. There’s a chance of heavy rain Friday and Saturday in L.A. County’s mountain and desert areas, and the basin could see some too.
Genaro Molina Los Angeles Times A PEDESTRIAN uses an umbrella Thursday as light rain hits parts of the Southland. There’s a chance of heavy rain Friday and Saturday in L.A. County’s mountain and desert areas, and the basin could see some too.

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