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MISSION VIEJO, CA – Orange County’s inland areas, including Santa Ana, Anaheim, Garden Grove, Orange, Fullerton, and Mission Viejo, have been put on a heat warning through 9 p.m. Friday, with temperatures reported in the 90s expected on Tuesday the National Weather Service.
Although temperatures along the coast would stay mostly in the ’70s, northern Orange County would see the brunt of the heat wave on Tuesday. Garden Grove and Mission Viejo would hit a high of 93 degrees on Tuesday before temperatures plummeted to the high 80s for the rest of the week. Anaheim would hit a high of 94 degrees, with temperatures hovering between the low 90s and 80s for the rest of the week.
Fullerton was expected to hit highs of 95 degrees on Tuesday, with temperatures between the low 90s and 80s through Saturday.
It’s a preview of the summer ahead as temperatures rose in Southland on Tuesday. The heat wave was expected to bring triple-digit weather to many areas by Friday and promised to break records in Anaheim and other inland cities.
The prognosis gives rise to fears of heat-related illnesses, the strain on the power grid and the possibility of bush fires, which could spread quickly in the heat and drought.
The National Weather Service also issued excessive heat warnings through 9:00 p.m. Wednesday in the Santa Monica Mountains and San Fernando, San Gabriel and Santa Clarita Valleys, followed by less intense heat monitoring that will continue through Friday evening.
In the Antelope Valley and Los Angeles Counties – excluding the Santa Monica Range – and in the Santa Ana Mountains and Foothills of Orange County, the excessive heat warning will continue through 9 p.m. Friday.
For the coastal area and downtown Los Angeles, according to the NWS, “dangerously hot conditions with temperatures in the 90s of up to about 100 degrees, especially inland and in the Hollywood Hills†were expected.
The heat monitoring in the coastal area was originally supposed to last until Wednesday, but was canceled by the NWS.
Forecasters said Los Angeles County’s Antelope Valley could experience temperatures between 106 and 112 degrees during the heat wave, increasing the risk of “heat-related illnesses, especially those who work or participate in outdoor activities.”
Mountainous regions are expected to bake at temperatures of 95 to 108 degrees, with the hottest conditions on Tuesday and Wednesday. The valleys can reach up to 109 degrees.
“Strong high pressure over the southwest will lead to hot temperatures and mostly sunny skies in the entire region throughout the week,” said the NWS. “Temperatures will be 10 to 20 degrees above normal and will peak today through Thursday.”
The weather service has already issued a warning of extreme fire risk for southern Santa Barbara County from Monday night to Wednesday morning due to the expected conditions. No alerts were issued in Los Angeles County as of Monday morning, but forecasters determined that “hot and dry conditions will last for most of the week.” Gusty conditions could become a problem in the late afternoon in Antelope Valley, causing “many hours of elevated to brief critical fire weather” each day, “due to the combination of gusty winds, humidity of less than 15 percent and temperatures of 102 to 112 degrees.”
The California Independent System Operator, who manages the state’s power grid, issued a statement saying the agency is “closely monitoring weather conditions in many parts of the state in preparation for excessive heat warnings.”
“While we are not currently anticipating rotating power outages, from today through Friday we are moving into a record-breaking high heat area for certain areas and we can call a Flex Alert if necessary,” said Cal-ISO.
A Flex Alert is a voluntary call to residents to save electricity during peak hours in order to reduce the load on the electricity grid.
“We are working to inform the public as early as possible that high heat could result in a Flex Alert later this week, while also raising awareness of the benefits of saving energy during Flex Alerts,†said Cal-ISO. “The Californians have generally responded very well to Flex Alerts and we are always impressed and grateful for their efforts.”
The agency declared a “restricted maintenance operation” due to the forecast high temperatures and demand, which will be in effect until Friday. The statement warns that all available resources will be needed to maintain supplies and urges suppliers to postpone scheduled maintenance on generators and transmission lines if possible.
The NWS warned that extreme heat “will greatly increase the potential for heat-related illnesses”.
“Be prepared to drink a lot, stay in an air-conditioned room, stay out of the sun, and check out relatives and neighbors,” according to the NWS. “Under no circumstances should small children and pets be left unattended in vehicles. This is especially true in warm or hot weather, when the interior can reach lethal temperatures in minutes.”
Also due to the heat wave, the South Coast Air Quality Management District issued an ozone warning Monday through Saturday predicting an increased likelihood of poor air quality in many areas.
The concentrations of ground level ozone – the predominant pollutant in summer – are likely to reach unhealthy or higher air quality index values ​​in most of Southland.
The warning reminds everyone in the affected areas to take precautions to avoid heat-related illnesses, especially older adults, young children, outdoor workers, athletes and people with chronic illnesses.
Public health officials made the following recommendations to stay safe on days with high temperatures:
- Drink plenty of water throughout the day;
- Plan your day so that you will not go out during the hottest hours and wear sunscreen.
- Wear light, light-colored clothing and carry a hat or umbrella;
- Never leave children or pets in the car and call 911 if you see a child or pet alone in a car;
- Beware of heat-related illnesses like heat stroke and call 911 if you or someone you know has high body temperature, vomiting, and pale and clammy skin;
- Check out those at risk, such as the sick, older adults, pregnant women and children, and singles; and
- When wearing a mask, avoid strenuous exercise with face covers or masks that are not intended for athletic purposes.
“While it is very important that everyone take special care of themselves, it is equally important that we reach out and review others, especially those who are particularly susceptible to the harmful effects of high temperatures, including children, the elderly and their pets, “said Muntu Davis, Los Angeles County’s health officer.” Not only are high temperatures a nuisance, they can be dangerous and even fatal. “
District and city partners operate cooling centers in times of high heat. Residents who do not have access to air conditioning are encouraged to use the free cooling centers. To find a location, visit ready.lacounty.gov or call 211.
And the Los Angeles County Health Official issued an excessive heat warning for West San Fernando Valley, East San Fernando Valley, East San Gabriel Valley, Santa Clarita Valley and Antelope Valley Monday through Saturday. The warning applies through Thursday in the rest of the San Gabriel Valley and Tuesday through Wednesday in the Los Angeles Basin.
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