Autumn Heat Wave Pushes Los Angeles Area Temperatures Above 100 Degrees
LOS ANGELES COUNTY — Los Angeles is a city in Los Angeles County, California. A strong autumn heat wave settled over the Los Angeles area on October 2, with high temperatures topping 100°F in many communities. According to The Weather Channel (October 2), high pressure and offshore winds made inland areas such as the San Fernando and San Gabriel valleys the center of the heat, and coastal temperatures climbed as the marine layer thinned; heat advisories were posted across the region.
Forecasters warned that outdoor workers, older adults and children face elevated risks of heat illness, urging residents to stay hydrated, avoid midday exertion and never leave children or pets in parked cars. Los Angeles County opened its usual network of cooling centers at libraries and community facilities, with locations and hours listed on the county website.
Triple-digit heat is not unusual in Southern California in the fall, when Santa Ana wind season brings hot, dry conditions. Fire officials also reminded residents about elevated wildfire risk and clearing brush around homes. The heat was expected to ease after the weekend as onshore flow returned.
Forecasters explain that Southern California's fall heat spikes usually arrive with Santa Ana winds: inland high pressure pushes dry desert air toward the coast, and as the air descends it warms further, sending even coastal plains to extreme readings. Heat combined with very low humidity is prime wildfire weather, and the county fire department has urged residents near canyons and foothills to stay alert and keep go-bags and evacuation routes ready. The county health department published heatstroke warning signs — sweating that suddenly stops, hot skin and confusion are danger signals requiring a 911 call. October heat waves are a recurring feature of the region, but health officials stress they often injure more people precisely because residents have stopped expecting summer-level heat; schools and outdoor employers are advised to adjust activities on the hottest days.
Photo: Downtown Los Angeles and the 110 Freeway, Wikimedia Commons, CC BY-SA 4.0, Camiloarenivar
Published by GSM · USA (original Chinese edition)
Photo: 洛杉矶市中心与110号高速公路，Wikimedia Commons，CC BY-SA 4.0，Camiloarenivar
