Articles tagged with Heat Waves
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A time-series study found heat waves associated with increased adverse health events among 65-year-olds, highlighting the need for heat adaptation strategies. Dually eligible individuals face vulnerable outcomes without such measures.
New studies reveal significant increases in Atlantic hurricane seasons and derecho events, while also highlighting the dangers of turbulence near thunderstorms and extreme heat stress. Climate models predict a rise in precipitation extremes across US cities, particularly during winter and spring.
A new study used the 2023 Texas-Louisiana heat wave as a test case to establish processes for evaluating extreme weather events. The researchers found that the heat wave was directly related to climate change and will see even hotter heat waves in the future.
A new study uses deep learning to infer the frequency of atmospheric blocking events over the past 1,000 years, shedding light on their potential impact under climate change. The model was trained using historical data and large ensembles of climate model simulations.
A recent study finds that long-term changes in tropical weather patterns are leading to increased frequency of heatwaves and extreme rainfall in the Indo-Pacific region. Global warming is likely a contributing factor, exacerbating regional weather extremes.
Researchers are developing soybeans that can handle extreme weather conditions, allowing farmers to maintain yields under pressure. By studying plant adaptation strategies, scientists aim to create more resilient soybean varieties.
Research explores changes in global precipitation patterns and how they relate to climate change. Bird nests are found to predict rainfall in rural India, while heat stress is increasing in the southeastern US, particularly at night. European 'bomb' storms may intensify due to warming climate.
A new study by Penn State researchers found that middle-aged and older women are more susceptible to extreme heat due to physiological changes. The study identified specific temperature/humidity levels safe for women as they age, providing valuable information for setting policies during heat waves.
A new AI approach accurately links heat waves to global warming, estimating that record-setting heat waves could occur multiple times per decade under higher warming levels. The method uses actual historical weather data and machine learning to predict the magnitude of extreme events.
Researchers found that five out of six existing heat-wave indices were unable to capture the severity and spatial distribution of recent lethal heat waves in India, Spain, and the USA. The lethal heat-stress index was better able to identify dangerous heat-stress conditions, particularly in low-humidity regions.
Researchers investigated the thermal environments of various tennis court surfaces, revealing significant differences in wet-bulb globe temperature (WGBT) values. The study suggests that on-site WBGT measurements are crucial for effective heat management in sports, and organizers should consider reducing match frequency in hot conditions.
A new Oregon State University study found that young Pacific cod in near shore safe havens were severely affected by recent marine heat waves in the Gulf of Alaska. The researchers estimated that only the largest 15-25% of the island's cod population survived, leading to significant changes in abundance, growth rates and diet.
A recent study by Oregon State University found that US adults are fairly confident in linking wildfires and heat to climate change, but less so for hurricanes, flooding, or tornadoes. The survey also revealed significant differences in responses based on politics, personal experience, and demographics.
Arctic sea ice is expected to lose mass in the coming decade due to dominant natural climate patterns. Exposure to extreme temperatures, particularly heat, may lead to adverse birth outcomes in China. Researchers also found that ocean warming intensifies typhoons, but moderation comes from atmospheric temperature and humidity changes.
A cohort study found that heat waves were associated with increased rates of preterm and early-term deliveries, especially among vulnerable populations. The results suggest that extreme heat events pose a significant threat to perinatal health.
The study found that green infrastructures such as botanical gardens, wetlands, and street trees are effective in cooling urban heat, with temperature reductions ranging from 9.63°C to 17.7°C. A nine-stage framework has been proposed to facilitate GBGI implementation and maximize benefits.
Research finds daily high temperatures and prolonged extreme heat events significantly increase risk of asthma hospital visits among children. Children from vulnerable populations are particularly affected by climate-sensitive events, highlighting the need for targeted interventions to mitigate health disparities.
A recent UC Irvine study has found evidence of the molecular causes of heat stress's detrimental effects on the brain, gut, and liver in older adults. The research suggests that understanding the gut-liver-brain communication system is crucial for protecting human health from heat-related illnesses.
A new study led by ORNL provides valuable insights into vegetation resilience in response to extreme heat events, informing pathways for climate mitigation. The analysis found that impervious surfaces, moisture conditions, and type of land cover affect vegetation resilience, with preservation and enhancement of vegetation contributing ...
A new study establishes official climate divisions in Hawaii, improving climate research and forecasting. Chronic pain sufferers who spend time outdoors experience stronger weather-based effects, while lightning-initiated wildfires are responsible for more than half the acres burned in the contiguous United States.
Climate scientists predict a 7 in 10 chance of record-breaking temperatures and humidity in the tropics, threatening humanitarian aid and medical care. El Niño's impact on tropical heat and humidity is expected to compound the effects of global warming, leading to extreme humid heat stress.
A study found that concurrent heatwaves and extreme short-term sea level rises at coastal locations significantly increased between 1998 and 2017. Global coastal areas may experience 38 days of CHWESL conditions each year by 2049, posing a significant threat to coastal communities.
A study by researchers from the University of Gothenburg found that shy sea anemones can outlast bold ones during extreme heatwaves due to their slower metabolism. This survival strategy may be beneficial for other cold-blooded marine species exposed to rapid temperature changes.
Researchers at the University of Ottawa found that fans do improve sweat evaporation but provide only a small fraction of air conditioning's cooling power. The study advises against relying on fans during extreme heat events, especially for vulnerable populations.
The UK's 2022 drought, the worst since 1976, emphasized the importance of early mitigation measures due to its rapid onset and extensive impacts on water resources, wildlife, and people. Improved monitoring and forecasting systems can help prevent similar extreme weather events in the future.
A Washington State University-led study found that widespread, extreme temperature events can capture greater solar radiation and higher wind speeds to help power grids. This analysis suggests using more renewable energy at these times could reduce strain on grids during increased energy demand.
A new study reveals that the heat index in Texas has increased three times faster than measured temperature due to global warming. This can lead to a rise of 8-11 F in heat stress, especially for vulnerable populations.
A new study by Harvard Pilgrim Health Care Institute reveals that nearly one-quarter of US counties had high heat-related emergency activation rates, with the South, Midwest, and Southwest being most affected. Vulnerable communities already at risk for cardiovascular disease were found to be particularly hard hit.
A new study reveals that marine heat waves disrupt the ocean food web in the northeast Pacific Ocean, shifting energy and impacting predators and prey. Gelatinous zooplankton thrive during heat waves, drawing energy out of the ecosystem and potentially affecting fish and marine mammals.
A new study reveals that increased meltwater in the North Atlantic can trigger hotter and drier European summers. The study suggests a predictable chain of events leading to European summer weather, due to higher levels of freshwater in the North Atlantic.
An analysis by Cornell University city planning scholars found that metropolitan areas with multiple city centers and dispersed green spaces are more effective at mitigating extreme heat than those with one dominant city. Polycentric development can moderate the urban heat island effect, especially in larger urban areas.
The researchers conclude that intensive agricultural cultivation has reduced the landscape's water storage capacity, leading to severe droughts. Restoring natural habitats can restore soil structure, allowing for evapotranspiration and guaranteeing rainfall in drought years.
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 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.
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.
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.