A historic March heat wave continues to shatter temperature records in Southern California, with temperatures soaring up to 35 degrees above normal. According to multiple reports, the National Weather Service (NWS) has issued extreme heat warnings for multiple counties, expecting record-breaking highs and increased health risks.
Key Takeaways
Southern California is experiencing an unprecedented March heat wave, breaking daily and monthly temperature records across multiple counties. The National Weather Service (NWS) has issued extreme heat warnings for temperatures reaching up to 35 degrees above normal.
- Temperatures are expected to range from the mid-90s to low 100s in many areas
- Extreme heat warning remains in effect until Friday evening across much of Southern California
- Health officials warn of increased risk of heat-related illnesses, especially among vulnerable populations
- The heat wave is linked to a massive 'heat dome' trapping hot air over the region
The NWS warned that widespread temperatures will range from 90 to 100 degrees, with inland areas potentially reaching the upper 90s or even 100 degrees. Forecasters predict temperatures could jump abruptly by 15 to 20 degrees beginning on Thursday. The heat wave is expected to be one of the longest winter heat waves on record in the region, with some areas potentially breaking daily and monthly temperature records.
The unprecedented length and magnitude of this extreme heat wave will increase heat stress each day, especially in coastal areas where people may not have methods to cool off their homes. Health officials are urging residents to complete outdoor activities early in the day or in the evening and to avoid leaving people or pets in cars. Public health departments have issued warnings about the increased risk of heat-related illnesses.
According to CBS News, Tuesday was the hottest March day in nearly 40 years in some areas of Southern California. A CBS LA Next Weather Alert is set to remain in place through Friday due to extreme heat expected to be 25-to-35 degrees above the seasonal norm. The NWS projects 90-degree temperatures across Southern California's inland communities and mid-80s along the coast on Wednesday.
The Guardian reports that this is the first time in history that such a warning has been issued in March for the region, as temperatures are upwards of 20F to 30F above average. Higher temperatures raise concerns about an increase in heat-related illnesses, especially among vulnerable populations. Weather officials have instructed people to remain hydrated and stay inside as needed.
The New York Post reports that temperatures will hit highs of the mid-90s across SoCal on Monday, before climbing to the low 100s by Wednesday. The NWS has advised residents to stay hydrated throughout the week and check in on neighbors and loved ones during the heat. Officials recommend staying in air-conditioned spaces when possible and avoiding outdoor activities, especially between 10 a.m. and 5 p.m.
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