Tag

Marine Heatwave

All articles tagged with #marine heatwave

climate1 month ago•9 min saved

Record-Breaking Pacific Heatwave and Super El Niño Set to Warp 2026-27 Weather

A rare convergence of a massive Pacific marine heatwave and a potentially record-breaking 'super El Niño' is expected to intensify global weather extremes through 2027. The heatwave, present since May 2025, has raised surface temperatures by 3-4°C, while the El Niño is projected to peak by December. This combination threatens to cause severe flooding in California, drought in the Pacific Northwest, and significant marine ecosystem collapse, with scientists warning that climate change is amplifying these natural cycles.

via BBC|

#climate #climate-change #el-nino

environment2 months ago•14 min saved

Bay Area Braces for a 'Super' El Niño: Warmer Winters, Bigger Tides, and Coastal Risks

Scientists warn the 2026–27 El Niño could be the strongest on record and last into early spring 2027, with uncertain effects for the Bay Area. The period may bring warmer falls and winters and a wetter winter in parts of California, but the Bay Area sits in a less predictable zone. Higher sea levels and bigger king tides could boost coastal flooding, while a concurrent marine heatwave threatens wildlife and fisheries. Coastal infrastructure and shoreline resilience projects are underway, and residents are urged to monitor tides and wildlife reports as conditions unfold.

via Bay Nature|

#bay-area #coastal-flooding #el-nino

science8 months ago•6 min saved

Silent North Pacific: 'The Blob' Triggers Unprecedented Murre Die-off in Alaska

A prolonged marine heatwave nicknamed 'The Blob' warmed North Pacific waters by up to 5.5°C, wiping out about 4 million common murres across Alaska from 2015–2016—the largest known die-off of a single vertebrate species—causing widespread reproductive failure, disrupted food webs, and cascading impacts on fisheries and top predators; no recovery has been observed through 2025.

via The Daily Galaxy|

#alaska #common-murre #marine-heatwave

environment1 year ago•5 min saved

Scientists Warn of Rising Ocean Temperatures and Coral Reef Deterioration

Scientists warn that unprecedented marine heatwaves, likened to 'underwater bushfires,' are causing severe coral bleaching at Ningaloo Reef and the Great Barrier Reef, driven by global warming and local fossil fuel projects, threatening marine ecosystems and local economies. Efforts are underway to monitor and develop resilient corals, but urgent action to reduce emissions is critical to prevent irreversible damage.

via Indian Defence Review|

#australia #climate-change #coral-bleaching

environment3 years ago•1 min saved

Alaska's Crabs Vanish: Warm Ocean and Closure Impact Fisheries

Billions of snow crabs in Alaska have disappeared due to warmer ocean temperatures, according to a study by the National Oceanic and Atmospheric Administration. The change in water temperature increased the crabs' caloric needs, leading to mass starvation. Record-breaking ocean temperatures in 2018 and 2019 initially caused a boom in the snow crab population before it sharply declined in 2022. The phenomenon is a result of the climate crisis, with the warming Arctic temperatures contributing to the decline in the species. The shortage of snow crabs has economic consequences, impacting the Alaskan commercial fishing industry and leading to the closure of crucial harvests.

via The Guardian|

#alaska #climate-crisis #environment

environment3 years ago•2 min saved

"Coastal Heatwave Alert: Oregon and Washington Brace for Extreme Temperatures"

An "extreme" marine heatwave, categorized as a category 4, is approaching the Oregon and Washington coasts, causing surface temperatures to be 7.2 degrees warmer than the regional average. This heatwave is impacting marine life and leading to the multiplication of algae that produce the potentially deadly neurotoxin domoic acid. The warmer temperatures are harmful to local ecosystems, potentially leading to closures of shellfish harvesting and negatively impacting fish species, including salmon. The heatwave is an extension of a previous one and is less severe than the massive heatwave known as "the Blob" that occurred between 2013 and 2016. NOAA researchers predict that the emerging El Niño pattern will further intensify ocean warming in the Pacific, affecting coastal ecosystems and marine life.

via KOIN.com|

#domoic-acid #environment #marine-heatwave

environment3 years ago•4 min saved

Marine Heatwave Sweeps North Atlantic in Unprecedented Event

The US National Oceanic and Atmospheric Administration has classified the marine heatwave in the shallow seas around the UK and Ireland as a "Category 4" heatwave, which is rarely used outside of the tropics and means "extreme" heat. The heatwave is strongest in the northern North Sea, northwest of Ireland, and the Celtic Sea between Cornwall and southern Ireland, with surface water temperatures 4°C to 5°C above normal for mid-June. This could potentially harm fish and plankton populations, which are dependent on nutrients mixed up from the deep water into the surface layer. Climate change is already affecting these seas, and this extreme heatwave may be a sign of further changes to come.

via The Conversation|

#climate-change #environment #fish

environment3 years ago•2 min saved

Marine Heatwave Threatens UK and Irish Coasts in Unprecedented Event.

An unprecedented marine heatwave off the coasts of the UK and Ireland is posing a significant threat to marine species, with sea temperatures several degrees above normal, breaking records for late spring and early summer. The US National Oceanic and Atmospheric Administration has categorized parts of the North Sea as being in a category four marine heatwave, which is considered "extreme," with areas off the coast of England up to 5C above what is usual. The Met Office says temperatures are likely to remain high because of the emerging El Nino weather phenomenon.

via Slashdot|

#climate-change #ecosystems #environment