Triple-Digit Temps Hit Parts of SoCal on Tuesday, Expected to Be Hottest Day This Week

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Southern California residents will be under a heat advisory Tuesday as temperatures continue to climb around the region.

An advisory went into effect for parts of Los Angeles County at 10 a.m. and was scheduled to expire at 9 p.m., according to the National Weather Service.

Triple-digit temperatures, meanwhile, were forecast for many inland areas, including highs of 105 degrees in San Bernardino, 103 degrees in Riverside, 102 degrees in Palmdale and 101 degrees in Temecula.

Palm Springs, which reached 95 degrees by 8:15 a.m. and is under an excessive heat warning, was expected to hit 113 degrees, forecasters said. It hit 115 degrees there by mid-afternoon.

Many areas reached 100 degrees or were in the upper 90’s by early afternoon, the weather service reported.

At 4 p.m., officials issued a Flex Alert that would remain in effect until 10 p.m.

The alert urges Californians to voluntarily conserve power during times when widespread heat and high demand strain the energy grid. Thermostats in use should be set to 78 degrees or higher and unnecessary lights and appliances should be turned off.

Tuesday’s was the first such alert issued this year. Last year there were two alerts issued, with the earliest occurring July 24, according to the California Independent System Operator (ISO).

ISO data from the last 10 years shows Tuesday’s was the earliest in the year a Flex Alert has been issued due to heat.

The hot, dry weather has lingered in the Southland since last Thursday, with the weather service calling it the “first heat of summer,” even though the season arrives on June 21.

Forecasters predicted Tuesday would be the warmest of the week.

Noting a heightened risk of heat-related impact due to hot daytime temperatures and warm nights, the weather service is advising the public to drink plenty of water and avoid the midday sun by staying indoors, if possible. Outdoor exercise should be done early in the morning in later in the day.

Watch out for heat-related illnesses, especially for the elderly, babies, outdoor workers and the homeless, the agency warned. And don’t leave any person or pet in a parked vehicle for any length of time.

Symptoms of heat exhaustion and heat stroke including feeling faint or dizzy, a throbbing headache, nausea or vomiting, and a rapid pulse.

Cooler weather is forecast for the remainder of the work week, with temperatures lowering “significantly” in parts of Southern California, according to forecasters.

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