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Southern California and the Southwest were girding for more impact from onetime Hurricane Hilary Monday morning. More flash flooding and mud and rock slides were possible, forecasters said. The National Hurricane Center warned that some flooding could be “life-threatening and locally catastrophic.”
Hilary strengthened to a Category 4 hurricane before weakening to a tropical storm prior to making landfall Sunday, then was downgraded to a subtropical cyclone early Monday morning. It was expected to dissipate later in the day, the hurricane center said.
Flooding was already impacting many areas and numerous rock and mud slides were reported.
Hilary was the first tropical storm to hit Southern California in 84 years.
It dumped more than half the average annual rain on some desert and mountain areas, including Palm Springs, which saw nearly 3 inches of rain by Sunday evening. Tens of thousands of people across Southern California had no power due to the storm and Palm Springs lost 911 service Sunday night, CBS News Los Angeles reported. The station said Hilary’s outskirts were still lingering over greater Los Angeles and battering some regions with heavy rain early Monday morning.
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Where is flooding expected?
Hilary “is expected to produce additional rainfall amounts of 2 to 4 inches, with isolated storm total amounts to 12 inches, across portions of Southern California and Southern Nevada through today,” the hurricane center said. “Continued flash and urban flooding, locally catastrophic, is expected.”
What’s more, 1 to 5 inches of rain was expected across portions of Oregon and Idaho through Tuesday morning “resulting in localized, some significant, flash flooding,” the center added.
In Nevada, officials remain concerned about dangerous flooding across the western Mojave Desert, which is at high risk for flash flooding, “an exceedingly rare occurrence,” the National Weather Service office in Las Vegas said Sunday on social media.
Southern California was experiencing heavy rain in Los Angeles and surrounding counties, CBS News Los Angeles reported.
The National Weather Service said Ventura County was experiencing life-threatening flooding and San Bernardino, Riverside and nearby mountains were at high risk of flash floods. San Bernardino and Riverside Counties issued evacuation orders and Orange County issued evacuation warnings.
Meanwhile, the Inland Empire and mountains are at a high risk of flash flooding, with some communities expected to get 6-10 inches of rain, according to CBS Los Angeles.
Among many dramatic scenes playing out as Hilary hit:
How is Southern California dealing with Hilary?
As of 2 a.m. PDT Monday, Hilary was some 390 miles north of San Diego 75 miles northeast of Bakersfield, California, and racing north at 29 mph with maximum sustained winds of 35 mph.
Although no longer a hurricane, the system was still bringing heavy rainfall to the area.
It was the first time that the National Hurricane Center issued a tropical storm warning for Southern California, and California Gov. Gavin Newsom declared a state of emergency ahead of its arrival.
President Biden on Sunday said he has asked FEMA to deploy personnel and supplies to California. Mr. Biden also said the Coast Guard has pre-positioned aircraft to allow for rapid response and rescue efforts.
“My Administration also deployed federal personnel to Nevada to ensure the state has additional support, and we will continue to coordinate with California, Nevada, and Arizona on any resources they might need,” Mr. Biden said.
Genaro Molina / Los Angeles Times via Getty Images
On Sunday evening, Los Angeles Unified School District, the second largest school district in the country, announced all schools, campuses and after-school programs would be closed Monday due to the storm.
“This was not an easy decision,” the district said on social media. “Los Angeles Unified acknowledges the unique, unprecedented nature of Tropical Storm Hilary, which has garnered city, county, and state declarations of emergency.”
Pasadena Unified School District followed suit later Sunday night.
The California Department of Parks and Recreation on Saturday ordered a temporary closure of all San Diego and Orange County state beaches and several state parks.
Disneyland announced Saturday that parks would be closing early Sunday, with Disney California Adventure Park closing at 9 p.m., Disneyland Park closing at 10 p.m. and the Downtown Disney District will close at 11 p.m.
The San Diego Padres, Los Angeles Dodgers and Los Angeles Angels all moved their scheduled Sunday home games to Saturday double-headers in anticipation of the storm.
When will Hilary hit Las Vegas?
Nevada will see heavy rain into Monday morning with likely flooding in Las Vegas and “significant flooding” in Death Valley National Park, the Weather Channel reported.
Nevada Gov. Joe Lombardo declared a state of emergency Sunday afternoon due to the “imminent impact” of Tropical Storm Hilary across the state. “Significant damage to public and private property are likely, including multiple transportation routes,” the declaration read.
That came days after he announced that 100 National Guard troops had been activated ahead of the tropical storm.
