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Coastal heat lingers: SoCal endures record-warm nights amid humid spell
environment17 hours ago

Coastal heat lingers: SoCal endures record-warm nights amid humid spell

Southern California braces for its hottest week of the year, driven by record-warm nights and unusually high coastal humidity from warm near-shore oceans and the start of El Niño; daytime highs have been milder, but overnight temperatures are pushing records, increasing heat-related risks and stressing power, pets and sleep, with scientists forecasting the warm-night pattern to persist into fall and at least the first half of winter.

via Los Angeles Times|
#el-nino#environment#heatwave
Southern California Braces for the Year’s Hottest Week Amid Heat Warnings
weather1 day ago

Southern California Braces for the Year’s Hottest Week Amid Heat Warnings

Forecasters warn that Southern California will endure the hottest week of the year, with downtown L.A. near 96–98°F and inland valleys 100–110°F (coast 80–90°F), while Death Valley could reach 119–120°F; a heat advisory and an extreme heat watch are in place, prompting safety tips as health risks rise and a French traveler died in Death Valley amid the heat.

via Los Angeles Times|
#death-valley#heatwave#public-health
Vandals Cut Fiber, Triggering Verizon Outage Across Southern California
technology15 days ago

Vandals Cut Fiber, Triggering Verizon Outage Across Southern California

Vandals damaged multiple fiber cables, causing a widespread Verizon outage across Southern California that disrupted wireless and internet service for residents and first responders in Los Angeles and surrounding areas. Verizon confirmed deliberate damage and said repairs were underway with restoration expected by early evening, while law enforcement investigates. More than 12,000 outage reports were logged, though the total impact may be higher.

via New York Post|
#fiber#outage#southern-california
SoCal Braces for Brutal Heat Wave as Temps Soar and Fire Risk Rises
weather26 days ago

SoCal Braces for Brutal Heat Wave as Temps Soar and Fire Risk Rises

Southern California is bracing for an extreme heat event this weekend, with highs from 95 to 110°F inland and up to 115°F in the Antelope Valley, and near 120°F in the low-desert areas; overnight temperatures staying around 70°F raise heat-stress risks, while drying fuels elevate wildfire danger. Officials urge staying indoors with AC, hydrating, seeking shade, and limiting strenuous outdoor activity, with beach advisories accompanying a large swell from Hurricane Genevieve.

via Los Angeles Times|
#climate-change#heat-illness#heatwave
Offshore Fausto and Genevieve Stir Pacific Swells, Prompting Hawaii and SoCal Beach Warnings
weather27 days ago

Offshore Fausto and Genevieve Stir Pacific Swells, Prompting Hawaii and SoCal Beach Warnings

Tropical Storm Fausto and Hurricane Genevieve, remaining offshore, will generate swells that trigger beach advisories for Hawaii and Southern California. Fausto’s close approach to Hawaii around July 28–29 will bring evolving conditions and a high surf warning on east-facing shores, while Genevieve’s swells will affect roughly 1,000 miles of coast from Baja to Southern California starting July 29, potentially producing 5–9 ft surf on north of Oceanside and 3–6 ft elsewhere, with strong rip currents and possible flooding during high tides. Authorities also note no other tropical development is expected through Aug 2.

via USA Today|
#fausto#genevieve#hawaii
Drone captures close encounter as great white sharks lurk near kids off Southern California coast
california1 month ago

Drone captures close encounter as great white sharks lurk near kids off Southern California coast

A great white shark was seen swimming dangerously close to a group of children off the Southern California coast, with drone video showing the encounter from about a mile away. The photographer said the kids were unaware of the shark’s presence, noted a dorsal-fin wound that could be from a boat propeller, and observed the shark breach twice, suggesting the injury might keep it lingering and more willing to approach people.

via KTLA|
#beach-safety#california#child-swimmers
SoCal Mosquito Season Heats Up with Sterile-Mosquito Strategy and West Nile Watch
health1 month ago

SoCal Mosquito Season Heats Up with Sterile-Mosquito Strategy and West Nile Watch

Southern California is in peak mosquito season as West Nile–infected mosquitoes rise and invasive Aedes aegypti populations are targeted with Sterilized Insect Technique (SIT) releases. Authorities emphasize eliminating standing water to curb breeding, note SIT programs in the San Gabriel Valley and other areas as promising but still experimental, and report two human West Nile cases so far with no vaccine available.

via LAist|
#aedes-aegypti#health#southern-california
SoCal West Nile virus surge: how to protect yourself this season
weather-news1 month ago

SoCal West Nile virus surge: how to protect yourself this season

West Nile virus activity is surging early in Southern California, with Orange County detecting the virus in 10 cities and testing 38 mosquito pools, and Los Angeles County reporting 27 positive mosquito samples; nationwide there have been at least 48 human cases by June 30, including 38 neuroinvasive cases, though California has only one confirmed human infection this year. Health officials urge practical prevention: use EPA-registered repellents with DEET/IR3535/oil of lemon eucalyptus/picaridin, wear long sleeves and pants at dawn/dusk, eliminate standing water, repair screens, and report neglected pools or dead birds to local vector control agencies.

via Yahoo|
#los-angeles-county#mosquito-control#orange-county
El Niño Arrives: SoCal Prepares for a Potentially Wet and Ocean-Changing Winter
climate-and-environment2 months ago

El Niño Arrives: SoCal Prepares for a Potentially Wet and Ocean-Changing Winter

El Niño has arrived with a 63% chance of a very strong event later this year, increasing the odds of a wetter-than-normal California winter. Past very strong El Niños brought heavy rain and damage, though rainfall isn’t guaranteed and coastal hazards like large waves and rip currents can accompany wetter years. Beyond weather, warmer Pacific waters and marine heat waves linked to El Niño may affect ocean life—with more jellyfish and sharks, kelp loss, and stress to other species—likely keeping ocean conditions unsettled into next winter.

via Los Angeles Times|
#climate-and-environment#el-nino#marine-life
California Braces for a Potentially Record-Setting El Niño Winter
weather4 months ago

California Braces for a Potentially Record-Setting El Niño Winter

Forecasters warn a potentially historic super El Niño could develop by fall, with NOAA predicting a >90% chance of El Niño and up to a 50% chance it will be strong; if it arrives, Southern California could see a wetter winter that replenishes water supplies but raises the risk of floods, debris flows and coastal erosion, even as it may reduce wildfire risk. Forecasters caution that even strong El Niños don’t always deliver predictable weather, citing past events (1982-83, 1997-98) that varied widely in rainfall. The pattern is tied to warmer Pacific waters and altered jet streams, and climate change could be intensifying swings; impacts may extend to marine life as warmer seas affect plankton and sea lion rookeries along the Channel Islands. More clarity is expected between May and June as models improve.

via Los Angeles Times|
#climate-change#el-nino#floods
SoCal’s March heat wave ends as weekend cooldown arrives
environment5 months ago

SoCal’s March heat wave ends as weekend cooldown arrives

Southern California’s record-breaking March heat wave is easing this weekend, with coastal highs in the mid-70s to low-80s and inland in the 90s after a stretch that saw 102°F in Woodland Hills and 93°F in Lancaster. The National Weather Service warned that heat advisories should expire by Friday night, though next week is expected to stay hot overall. Officials caution about heat-related illness, especially for those without AC, as the unusual warmth continues to influence the region.

via Los Angeles Times|
#environment#heat-advisories#heat-wave
SoCal March Heat Wave Smashes Records, Feels More Summer Than Spring
weather5 months ago

SoCal March Heat Wave Smashes Records, Feels More Summer Than Spring

Southern California and the Southwest are in the grip of a record-breaking heat wave through the week, with high temps in the 90s to around 110 degrees, including North Shore’s 108-degree day tying a national March record and a nearby Arizona town hitting 110. Extreme heat warnings continue into Friday as officials urge precautions against heat illness, and some residents faced daylong power outages. Forecasters expect a modest cool-down this weekend as high pressure eases, followed by a rebound next week; meanwhile dry grasses from a wet winter raise wildfire concerns, and snowmelt could strain reservoirs if the pattern stays dry.

via Los Angeles Times|
#heat-wave#march-heat#power-outages
SoCal braces for historic March heat as records fall
weather5 months ago

SoCal braces for historic March heat as records fall

Southern California is entering a multi-day heat wave that has already set daily records in the LA area (Hollywood Burbank Airport 92°, Pierce College 97°) and is forecast to push into the 90s–100s inland through Friday, with coastal areas heating rapidly; forecasters warn of dangerous heat illness and advise cooling centers, hydration, and checking on vulnerable neighbors.

via Los Angeles Times|
#heat-wave#national-weather-service#public-health