Articles tagged with Heat Waves
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Persistent weather conditions are becoming more common in European summer, leading to prolonged heat waves and intense rainfall events. This trend is linked to increased hydro-climatic risks, especially for densely populated regions.
The 74th APS Division of Fluid Dynamics Annual Meeting featured presentations on COVID-proofing daily life, kimchi physics, and extreme heat waves. Researchers also discussed advancements in fire-fighting trees and the science behind jellyfish engineers.
Researchers have developed a new method that uses deep neural networks to predict extreme heat waves with unprecedented accuracy, up to two weeks before they occur. This breakthrough has significant implications for risk management, planning, and warning systems, which will greatly improve public safety and support public policies.
Researchers identified 'hotspots' for flash droughts globally, including regions with high agricultural production, and found that half of the contributing factor is a lack of rainfall and hot weather conditions. This study provides a foundation to build off and explore key questions regarding future trends of flash drought occurrence.
Heat extremes have increased by 90-fold, with 3-sigma events affecting 9% of land area; record daily rainfall events also increased, with 1 in 4 records attributed to climate change. The small temperature increase has pushed up extreme weather substantially.
Coral reefs will experience substantial declines in productivity and survival due to rising sea temperatures and ocean acidification, with some attributes responding similarly to heat stress with or without acidification
Researchers found that a probiotic cocktail of beneficial bacteria increases coral survival after a bleaching event. The approach could be administered in advance to help corals recover from high sea temperatures. Probiotic treatment improved coral response and recovery, boosting survival from 60% to 100%.
A new study found that one-quarter of Americans suffered from heat-related symptoms in 2020, with women, low-income households, and non-white populations most vulnerable. The research also revealed that the pandemic exacerbated existing vulnerabilities, making it harder for people to access cooling centers and medical care.
A new warning system has been proposed to address increasing heat waves due to climate change, taking into account evolving heat thresholds and longer hot seasons. The system aims to prevent heat-related mortality outside typical heat wave periods through health alerts.
A new study suggests that thawing permafrost in Siberia may release large amounts of methane gas from limestone formations, posing a significant threat to global warming. Elevated methane concentrations were detected in two areas with limestone bedrock, indicating that fracture systems in these formations became permeable upon warming.
Researchers developed a new model that addresses gaps in urban climate modeling, providing global multi-model projections of local urban climates. The study finds that cities in high-stakes regions like the Great Lakes and southern Europe are at higher risk for extreme heat events.
A study by ICTA-UAB finds that combining white roofs with green areas can reduce temperature during heat waves, with an average reduction of 1.26°C. This combination has the greatest impact on energy consumption, reducing spending on air conditioning by 26%.
A new study finds that low-income blocks in 92% of US urban communities have less tree cover and are hotter than high-income blocks. The analysis revealed a disparity of 15.2% in tree cover between low- and high-income blocks, with low-income blocks being 1.5°C hotter.
A recent study by URI researchers shows that the Gulf Stream's position relative to the Grand Banks of Newfoundland can predict rapid warming of the Northwest Atlantic Shelf. The team used satellite data to observe the mechanism behind these changes, which block the southwestward transport of cold water and lead to marine heat waves.
Even with limited warming, South Asia will experience deadly heat stress due to population growth and already hot climate conditions. A new study projects nearly tripled heat stress exposure by 2 degrees Celsius of warming.
A new study projects extreme heatwaves of up to 56 degrees Celsius in the MENA region, posing a significant threat to human life and forced migration. The research team recommends immediate climate change mitigation measures and adaptation solutions for urban centers.
A new data set provides high-resolution daily temperatures from around the globe to study human health impacts from heat waves, risks to agriculture, droughts, and food insecurity. The CHIRTS-daily dataset offers accurate estimates of air temperatures for 1983-2016, supporting efforts to monitor, understand, and mitigate climate hazards.
A study by the University of California, Davis found that high-severity wildfires in northern California have increased significantly since 1984, with area burned quadrupled during dry and hot years. The research highlights the importance of land-use planning and fuel management to reduce risk.
Research suggests that climate change is causing ectothermic animals like fish, amphibians, and reptiles to age faster due to increased growth rates and heat stress. This can lead to reduced life expectancy and compromised ability to produce offspring.
UMass Lowell researchers are studying the relationship between heat waves and droughts in the Northeast, using moisture-tracking techniques and computer-aided modeling. The team hopes to better understand how well they can predict these extreme weather events and their potential impact on climate change.
A new study from Arizona State University and Stanford University uses data analytics to predict global warming trends and heat waves. The researchers tracked temperature variances over years and days, identifying early warning signs of catastrophic changes. Urban greening strategies may promote reverse tipping to restore climate syste...
A new research project aims to investigate the intersecting impacts of extreme heat and COVID-19 on vulnerable populations. The study will conduct three national surveys to understand perceptions and vulnerabilities in different states and counties.
A recent study found that an anomalous anticyclone over Northeast Asia contributed nearly half to the magnitude of extreme heat events in 2018. The researchers also discovered that such anomalies have become more common and severe in recent decades.
A new study found that weakened wind patterns and a thinner ocean mixed layer fueled the record-breaking 2019 marine heat wave, dubbed Blob 2.0, which damaged marine ecosystems and hurt coastal fisheries.
A severe and long-lasting marine heat wave, known as 'the blob,' led to the largest seabird die-off in recorded history. The common murre population declined drastically due to a shortage of forage fish and increased competition from large predators.
Scientists have identified a previously unquantified threat to global food production: systematic meanders in the northern jet stream that cause simultaneous crop-damaging heat waves in widely separated regions. These events can lead to reduced harvests, food-price spikes and kill crops, especially in breadbasket regions.
A UM-led experiment has shown promise in improving subseasonal weather forecasting, providing critical lead time for natural hazards like heat waves and polar vortex. The SubX project aims to provide better subseasonal forecasts to the National Weather Service, using complex computer models and large data infrastructure.
A study by University of California - Davis researchers found that giant kelp populations from different regions have distinct responses to climate change, with those from Southern California being more resilient to heat stress. The research also showed that ocean acidification did not negatively impact reproduction in some populations.
A Rice University study found that climate change will increase the size of stalled high-pressure weather systems, leading to larger heat waves and more severe droughts. The research used climate model simulations to predict a 17% increase in blocking events in the northern hemisphere.
A new study finds that heat wave sizes could increase substantially by mid-century, with potential impacts on public health and energy demand. The research suggests that considering the spatial size of heat waves is crucial for informing management decisions and planning for the future.
Researchers from the University of Miami Rosenstiel School will study heat waves with $190,000 NOAA grant funding, aiming to improve future projections of extreme heat wave events. Heat waves are projected to increase in severity and frequency due to climate change.
A recent study from Washington University in St. Louis challenges the idea that species previously exposed to variable conditions are better suited to cope with climate change. The model predicts that simple changes in weather event intensity could be lethal for populations that have experienced similar events in the past.
Research at Hokkaido University reveals that deeper Arctic snow cover can trigger wave train-like temperature distributions in Eurasia. This phenomenon causes surrounding regions to experience high temperatures due to altered westerly wind patterns.
A new study by Berkeley Lab researchers found that cool roofs could protect urbanites from heat waves, reducing air temperatures and bringing down heat wave exposures by 35 million each year. The study predicts that heat waves will become two to 10 times more frequent across California's cities by mid-century.
Heat waves in the US are becoming larger and more severe due to climate change, according to UA research. The study aims to develop predictive models for heat waves, which could inform improved planning and response to these events.
A study by Desert Research Institute researchers found a clear correlation between extreme heat and mortality rates in Las Vegas over the last decade. The study identified adults over 50 as particularly vulnerable to heat-related deaths, which often occurred due to pre-existing heart disease.
In April 2016, a mass mortality event occurred in two bat species in Cambodia due to extreme heat. The investigation suggests that the heat stress hypothesis is consistent with clinical signs and gross pathology findings.
Researchers from UC Davis and APEC Climate Center found a significant correlation between tropical rainfall and heat waves in Central California. The study analyzed data from 1979 to 2010 and identified a predictable pattern linking enhanced MJO activity in the Pacific and Indian Oceans to intense heat waves.
Researchers found that enhanced rainfall in the tropics preceded each heat wave in predictable patterns, linking tropical weather to Central California's hot weather. The study used data from 1979 to 2010 and linked heat waves to the Madden-Julian Oscillation, a large atmospheric circulation pattern.
A recent review paper by San Francisco State University Professor Jonathon Stillman examines the potential impacts of future heat waves on humans and wildlife. The study suggests that extreme heat events could become more frequent and intense, posing significant threats to human mortality and wildlife populations.
Physicists have discovered a new effect, known as Kondo-like phonon scattering, which explains the low thermal conductivity of certain materials. This discovery paves the way for creating excellent thermal insulators that conduct electricity, enabling the conversion of waste heat into electrical energy.
Researchers have discovered a history of bleaching on a coral reef in the central Pacific, which has survived extreme heatwaves due to currents that bring cold, nutrient-rich water. The reef's ability to recover after severe bleaching events is crucial for understanding how other reefs may grow back in the future.
A global online survey found that heat-related work productivity loss varies significantly between developed and developing countries. The study estimated average WPL losses of 3.5 days for developed countries and 6.6 days for developing countries under different warming scenarios.
Climate change will lead to declines in barley yields, resulting in price surges and reduced availability of beer worldwide. The study projects a decline of 16% in beer supply during severe climate events, affecting hundreds of millions of people.
A Rutgers-led study suggests that rapid Arctic warming is causing persistent dry and wet spells, leading to extreme weather events like droughts, heat waves, and storms. The frequency of these long-duration weather conditions has increased over recent decades.
A new study shows that China's North China Plain, a region with intensive irrigation, is expected to experience deadly heat waves repeatedly, with the risk being significantly increased due to higher humidity. The region faces the greatest risks to human life from rising temperatures, surpassing other global hotspots.
A Harvard T.H. Chan School of Public Health study found that students living in dormitories without air conditioning performed worse on cognitive tests compared to those with AC. During the heat wave, students without AC experienced decreases in cognitive function, including reaction times and working memory.
Researchers created computer models to understand how wheat responds to heat stress, including timing, intensity, and duration. The models predict the impact of heat waves on wheat yields and grain size, providing valuable insights for farmers to mitigate losses.
Scientists successfully forecasted summer temperatures in western China using a new model, showing high correlation with observations over most regions. The predictability is linked to interannual SST variations and tropical Pacific trends.
A recent study by Prof. Xuejie Gao and colleagues found that China's population will experience a six-fold increase in very hot days by the end of the 21st century, affecting over 0.2 billion people with no exposure to cooling. The region from Yangtze River valley to North China will see the largest increase in thermal stress.
Researchers found that urban-induced warming in Beijing increased with urban land expansion, but the rate of increase slowed down after 2000. The study also revealed an interrelationship between urban-induced warming and heat waves, suggesting that urban expansion may heighten heat waves in urban areas.
A new study suggests that a partial collapse of the Atlantic Meridional Overturning Circulation (AMOC) could lead to extreme warming in European summers. This phenomenon, known as the 'cold-ocean-warm-summer' feedback, is linked to atmospheric blocking and has been observed in recent record-breaking cold ocean temperatures.
New research shows human influence on climate change will fuel more extreme summer heat waves in the western U.S., including California and the Southwest. The study predicts man-made climate change will be a dominant driver for heat wave occurrences in specific regions by 2030 and 2050.
A global climate model predicts that arid cities like Phoenix will experience more severe heat waves by 2100 compared to their rural surroundings. This is because future arid cities will remain water-limited, while their rural neighbors are projected to be no longer dry due to increased rainfall.
Researchers found that increased fluctuations in the jet stream's path since the 1960s coincide with more extreme weather events, including heat waves, droughts, wildfires, and flooding. The study used tree ring data to reconstruct historical changes in the North Atlantic jet stream prior to the 20th century.
High-resolution climate models project significant changes in US temperature patterns, including extreme heat events and altered growing seasons. The southeastern US will experience maximum summer temperatures every other day by late-century.
Researchers found that 2/3 of heat wave variability in the Yangtze River valley can be explained by sea surface temperature forcing, while 1/3 is attributed to atmospheric internal variability. Non-ENSO SST anomalies also contribute to heat waves.
A study projects that two-thirds of Europeans will be affected by extreme weather events annually by the end of the century. Heat waves are expected to cause 99% of all future weather-related deaths, increasing from 2700 deaths/year in 1981-2010 to 151500 deaths/year in 2071-2100.
A new study predicts that South Asia, home to one-fifth of the world's population, will experience extreme heat waves with high humidity by the end of this century if greenhouse gas emissions are not reduced. The region's poor and agricultural communities will be disproportionately affected.
A study led by UCI found that a 0.5 degree Celsius rise in mean temperature doubles the probability of a heat wave killing over 100 people in India, with projections suggesting a 2.2-5.5 degree Celsius increase by the end century.