Articles tagged with Heat Waves
A new study has mapped the health risks of heatwaves in India, finding that mild heatwaves are the deadliest, while extreme ones have fewer deaths due to their infrequency. The research highlights the need for policymakers to plan for both common and extreme heatwaves to protect public health.
Researchers at Oregon State University discovered that marine heat waves trigger earlier reproduction and high mortality in early life stages of Pacific cod. The study found these changes persisted in subsequent years, potentially impacting the future of Gulf of Alaska's Pacific cod population.
A study using infrared cameras found that high air and ground temperatures limit numbats' ability to forage in the sun, forcing them to retreat to the shade. Climate change may also make the shade too hot for numbats to survive.
New research found significant differences in heat tolerance among mosquito populations, with some more resilient to heat waves than others. Climate factors such as precipitation and humidity play a crucial role in determining their thermal limits, which may impact disease transmission.
Researchers at UH are expanding research knowledge and building a new curriculum for students to address climate change impacts on food crops. They aim to improve plant growth and build resistance against extreme weather events, such as droughts and heat waves.
A Washington State University study reveals that high-elevation snow in the Pacific Northwest is melting earlier due to frequent and intense heatwaves. The researchers found that these heatwaves have doubled in frequency and intensity since the mid-1990s, posing a significant threat to the region's water supply.
A GEOMAR study found that low North Atlantic sea surface temperatures are responsible for heat events on land. The researchers discovered a link between cold ocean temperatures and European heat waves, which contributes to the formation of high pressure systems and clear skies.
Researchers found that specific algae from the genus Breviolum help Caribbean octocorals withstand heat waves and bleaching events. The study provides clues for the future of coral reefs and highlights the need for further research to better understand the ecosystem.
A new study developed a theoretical framework to re-evaluate the impact of record summer temperatures on European mortality. Using daily temperature and mortality records from 147 regions, researchers found that weekly, 2-weekly, and monthly models underestimated heat-related mortality, with errors increasing with aggregation period.
A new approach to understanding climate change effects on marine ecosystems considers both smooth trends and variable changes, highlighting areas vulnerable to extreme events. Researchers propose a 'more realistic' conceptual model to better predict future consequences.
Researchers studied how 4-year-old tree species respond to extended drought and heat, finding that different species have varying levels of drought tolerance. The study's findings can help shape forest management policy and understand future landscape changes.
A team of researchers from McGill University, UCLA, and Princeton has found an inexpensive, sustainable way to cool buildings in hot climates using radiative cooling materials. They achieved temperatures several degrees below the ambient temperature, without compromising healthy ventilation air changes.
A study of 110 Colorado facilities found that 74.5% are at risk of climate-related hazards, including wildfires, heatwaves, and floods. Incarcerated individuals from marginalized communities face added risk due to poor infrastructure and lack of agency.
Researchers analyzed over 150,000 bird nests across the U.S. and found that extreme heat diminishes reproductive success in agricultural landscapes, but forests provide shade to increase nesting success. Curtailing emissions and promoting thermal refuges are crucial for conserving birds.
A new study from the University of Kansas found that mandated disaster plans have mediocre quality and modest improvements over time. Despite regular updates, the plans fail to address key issues such as public engagement and land use policies, leading to repeated mistakes in areas prone to natural disasters.
Research reveals that heatwaves like the 2003 European heatwave could become the new norm, with increased mortality risks, especially for the elderly and poor. Ideal temperature ranges vary by location, and climate models predict a significant increase in heat-related deaths in coming years.
A new climate modeling method called ensemble boosting can simulate a large set of extreme but plausible heat waves, providing a worst-case scenario for planning and preparation. This method helps prepare for the potential loss of tens of thousands of lives in extreme heat waves.
The Venus flytrap uses special heat receptors in its sensory hairs to detect and respond to rising temperatures, protecting its vital snap traps from damage. This allows the plant to continue hunting for food after a fire has ravaged its surroundings.
A new study found that cumulative exposure to extreme heat can worsen cognitive health, particularly among Black older adults and residents of disadvantaged neighborhoods. Researchers analyzed data from nearly 9,500 U.S. adults ages 52 and older, finding a link between high heat exposure and faster cognitive decline in these groups.
A team of researchers from Harvard and Hong Kong Baptist University identified patterns to predict extreme heat and ozone days in China. The model correlated sea surface temperature anomalies with increases in heat waves and ozone about 80% of the time, providing a forecast for the government to prepare resources.
The study found that environmental conditions and the state of the ocean can lead to enhanced risk for ocean temperature extremes. Upwelling patterns on a short-term basis also initiate some of these marine heatwaves and cold spells.
A new research method has determined the health impacts of heat and air quality, finding that even moderate temperature increases can lead to increased hospital visits and death for vulnerable populations. The study aims to help municipalities make informed decisions about climate mitigation and adaptation measures.
A new study published in Circulation found that heat waves and high levels of fine particulate pollution can double the risk of fatal heart attacks. The combination of extreme temperatures and fine particulate pollution was associated with an increased risk of heart attack deaths, especially among women and older adults.
A study by IMEDEA (CSIC-UIB) proposes revising the definition of marine heatwaves to better adapt to climate change. The current definition forecasts extreme events throughout the entire year by 2050, which is misleading and can jeopardize its use as a climate indicator.
Researchers used coastal surveys from 1993-2021 to find a dramatic delayed effect of warmer oceans on seabird mortality. Massive die-offs occurred roughly once per decade, with five events exceeding a quarter million birds between 2014 and 2019.
The UK is investing £11 million to improve forecast accuracy for extreme weather events like storms, floods and droughts. Scientists are focusing on atmospheric turbulence to create more detailed models.
A new study published by scientists at the University of Miami found that Miami residents may experience temperatures 6 degrees Fahrenheit higher on average than NOAA's official reported values, which can feel 11°F higher with humidity. The research team analyzed temperature and humidity data from low-cost sensors set up in outdoor loc...
A new study from Tufts University predicts a significant increase in extreme temperatures affecting wheat yields in the US and China. The research warns of potentially disastrous consequences for global food supplies if crops are impacted by heat stress, which can occur at temperatures above 27.8°C.
The study provides a detailed map of Urban Heat Islands in Turin, Italy, identifying the population's risk and vulnerable areas. The researchers used an interdisciplinary approach to assess the heat-health nexus, considering factors such as demographic, socioeconomic, health conditions, and environmental context.
Physicians are urging primary care teams to use data-driven approaches to prevent and mitigate climate-related health issues, dubbed "precision ecologic medicine". This approach combines patient-specific data with climate-related information to predict and support vulnerable patients.
Heat stress indices, such as humidex and apparent temperature, can provide a more accurate representation of health risks than expected temperatures alone. The study found that areas with critical conditions often differed from regions with the highest temperatures, emphasizing the need for improved communication of heat wave dangers.
A new study from researchers at the University of Cambridge found that deadly heatwaves fueled by climate change made almost 90 percent of Indians more vulnerable to public health issues, food shortages, and increased risks of death. The study suggests that India's national Climate Vulnerability Indicator underestimates the main risks ...
Oceanographers warn of limitations in carbon dioxide removal, emphasizing the need for rapid emission cuts to limit global warming. Clear definitions of marine heatwaves are also crucial for coastal communities to adapt and resource managers to prioritize mitigation strategies.
Research finds that flash droughts are becoming more frequent due to human-caused climate change, posing a major challenge for climate adaptation. The transition to flash droughts is predicted to accelerate in a warmer future, with irreversible impacts on ecosystems.
A new study found that the 2021 heat wave in Washington state contributed to an additional 159 injury deaths due to indirect causes such as drownings and violence. The researchers recommended increasing funding for cooling centers and mental health services to prevent injuries caused by heat waves.
Residual carbon emissions are a major obstacle to achieving net-zero greenhouse gas emissions by 2050. According to University at Buffalo researcher Holly Jean Buck, the world must reach net-zero this century to limit temperature increase, but residual emissions pose significant challenges.
A new study of tree rings from the region shows that the event was almost certainly the worst in at least the past millennium. The research established a year-by-year record of summer average temperatures going back to 950, revealing scores of abnormally hot summers.
A record-breaking heatwave in the Pacific Northwest in June 2021 was attributed to a strong high-pressure ridge, which intensified when an atmospheric river moved into Alaska, releasing massive amounts of moisture. The air was exceptionally hot when brought down to the surface due to its temperature aloft.
A new study estimates that urban heat islands cause 6,700 premature deaths annually in European cities, with increasing tree cover up to 30% reducing temperature and mortality rates. Cities with high excess heat-mortality rates can benefit most from this measure.
A recent study found that reversed flow over the Tibetan Plateau led to extreme climate events in subtropical Asia in 2022. Strong descending motion on the eastern side of TP caused persistent heat waves, while strong ascending motion on the western side caused excessive rainfall and flooding.
Recent studies investigate heat waves and cold exposure on the cardiovascular system, revealing physiological responses that can lead to cardiovascular problems. Mild heat waves cause an increase in core temperature, skin blood flow, and vascular resistance, while mild cold exposure causes a similar rise in blood pressure.
The study reveals that the Dust Bowl's extreme heating influenced temperatures across North America and beyond, suppressing cloud formation in some regions. The research suggests that the hot, exposed land in the central US triggered a wave-5 teleconnection pattern, which spread record-breaking heat to Europe and East Asia.
A new study confirms the link between climate change and the extreme 2021 heat wave, which set records in Canada and sparked devastating wildfires. The research reveals that human-induced warming has made such events increasingly feasible, with potential for repeats every 10 years by 2050.
A new study reveals that large parts of Europe are experiencing faster-than-average warming during summer months, leading to worse heatwaves and an increased risk of fires. The climate across the continent has also become drier, particularly in southern Europe.
The research team found that extreme heat events have become a significant public concern, with more research focused on the topic. The findings also highlight the importance of understanding heat waves and their impacts on human health and terrestrial ecosystems.
A recent study by 70 scientists highlights the devastating effects of climate change on insects, which play critical roles in ecosystems. Gradual warming and extreme events harm insects, affecting their physiology, behavior, and interactions with other species.
A new study reveals that rising temperatures in the Arctic are driving an exponential increase in megafires, with some areas burning at unprecedented rates. The research shows a clear link between temperature anomalies and fire risk factors, indicating a doubling of fire risk by the end of the century.
A new Concordia University study reveals that extreme weather events, such as hurricanes and heatwaves, have failed to drive government climate action. Despite the devastating economic and human costs of these disasters, governments have remained slow to enact meaningful reforms.
A Dartmouth study found that severe heat waves resulting from climate change have already caused massive economic losses worldwide. The research estimates $16 trillion was lost to the effects of high temperatures on human health, productivity, and agricultural output.
Researchers highlight climate-sensitive dermatological manifestations initiated or exacerbated by floods, wildfires, and extreme heat events. These events disproportionately affect marginalized populations, exacerbating existing health disparities.
A new study predicts that climate change will make dangerous heat commonplace during the Arba'een pilgrimage by the end of the 21st century. Pilgrims may be exposed to extreme temperatures exceeding 24 degrees Celsius, posing a significant risk to their health.
A comprehensive review of ocean warming reveals that global ocean heat content has increased by over 90% since the 1950s. The study predicts that if greenhouse gas emissions are not reduced, ocean warming will continue to accelerate, leading to more intense storms, droughts, and sea-level rise.
A new study reveals that global warming has doubled the probability of extreme ocean warming events in Japan's marginal seas since the 2000s. The increased occurrence frequency is attributed to human-induced climate changes, with most events linked to global warming.
A new study by UCLA climate scientist Karen McKinnon found that the 2021 Pacific Northwest heat wave was roughly a once-in-10,000-years event. The research analyzed historical trends and climate model simulations, concluding that climate change is increasing heat waves and average summer temperatures at the same pace.
Researchers found that insects have a weak ability to acclimate to high temperatures, with only small compensations of 10-15°C. Juvenile insects show greater resilience, but this may be limited to specific critical periods. The study highlights the need for further research on insect responses to climate change.
A new study by Newcastle University found that individual corals have varying levels of heat tolerance, with some able to withstand double the heat stress required to induce bleaching and mortality. This variability suggests capacity for adaptation if some of the toughest corals can survive marine heatwaves.
Researchers at the University of Zurich found that compound concurrent hot day and night extremes are projected to increase by up to 7.8-fold in frequency and 5.3-fold in duration in all cities in Switzerland by the end of the century. Lugano and Geneva will be most affected.
Researchers from the European Insomnia Network found that outdoor nighttime temperatures outside thermal comfort can affect human sleep. To combat this, try keeping a bedroom below 25 degrees Celsius, using fans instead of air conditioning, and staying hydrated during heatwaves.
A WVU professor is developing advanced software and a simulation lab to enhance power grid crisis response. The research aims to create flexible, precise, and rapid responses from both network infrastructures and human grid operators.
A new study predicts that record-breaking heat waves will become more frequent in places like North America and Europe by 2100. The research suggests that even if countries meet the Paris Agreement goal of limiting warming to 2°C, dangerous heat stress could double by 2100 in the tropics.