Articles tagged with Extreme Weather Events
Researchers found that joint action of tropical and extratropical variations led to persistent heavy rainfall over Japan. The study revealed a link between upper-tropospheric blocking high, near-surface atmospheric flow, and cumulus convection in enhancing the northwestern Pacific subtropical high.
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.
Korea Maritime & Ocean University researchers have developed a new method for assessing the path-following performance of autonomous ships in adverse weather conditions. The computational fluid dynamics model can provide more accurate predictions of path-following performance and enhance safety in autonomous marine navigation.
A new study found that fossil fuel companies rarely respond to online discussions about extreme weather, but instead engage with sustainability initiatives and corporate efforts. Climate misinformation can fuel denialism and delay action, emphasizing the need for understanding how it's designed and spread.
A new study finds that tropical cyclone exposure is increasing globally, with vulnerable populations facing greater risks. The analysis reveals a significant increase in the number of people at risk from these storms, particularly among those over 60 and socioeconomically deprived.
The new platform, Arras Energy, simulates how all parts of an electric grid work together, making it easier to understand and apply the results. The tool can help utilities harden their distribution systems against extreme weather and integrate renewable energy sources.
Researchers analyzed data from 15 million customers in nine states and found that people in lower socioeconomic tiers experience significantly longer power outage durations. The study suggests that poorer communities are more distant from critical infrastructure or require more significant repairs to power lines.
Researchers at ETH Zurich have developed a new technology using satellite images and artificial intelligence to determine snow depth with high accuracy. The system can provide detailed snow distribution patterns, even for areas without existing measurements, and offers an indication of uncertainty.
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.
Researchers analyzed 13,000 hours of audio data from Okinawan forests before, during, and after typhoons, finding that ecosystems responded differently than expected. The study suggests that developed sites were more resilient to extreme weather than anticipated, but climate change may push these ecosystems to their limits.
A new study compiled over 600,000 records from US and Canadian wildlife rehabilitation centers to investigate the threats facing more than a thousand species by region, highlighting human activities such as climate change and extreme weather events
A new deep learning-based detection system has been developed by INU researchers to improve the detection capabilities of autonomous vehicles. The system, aided by IoT technology, generates bounding boxes and confidence scores for visible obstacles using point cloud data and RGB images as input.
Native Americans in Oklahoma have approximately five times increased risk of heavy rainfall, with two-year floods projected to be 632.6% higher than the general population. The study aims to help Native American leaders develop disaster risk reduction plans and protect vulnerable communities.
A new study of 600 years of tree rings from the San Joaquin Valley reveals that climate extremes have been more severe and lasted longer than modern records, highlighting flood and drought risks in California. The research combines paleo information with synthetic weather generation to help understand and anticipate these risks.
A team of researchers used trail cameras and GPS collars to track the effects of Cyclone Idai on Gorongosa National Park's mammal community. They found that body size was a key predictor of survival, with smaller animals more vulnerable to the storm's impact.
A study analyzing Twitter posts and news articles found that people in states affected by hurricanes discussed climate change up to 200% more frequently after the storm. However, these discussions were often related to unreliable news sources that promoted conspiracy theories about global warming.
Researchers found that well-designed urban land patterns can moderate or even reduce population exposures to weather extremes, regardless of city size. Properly designed cities can generate a meaningful reduction in the increase in risks from climate change.
A team of experts identified 15 over-looked issues that could impact UK forests, including catastrophic ecosystem collapse, competition for water resources, and tree viral diseases. The research calls for urgent action to increase forest resilience.
A new type of algal threat is displacing corals globally due to blocking sunlight and producing harmful chemicals. Peyssonnelioid alga crusts are expanding quickly across reefs, killing off corals and transforming entire ecosystems.
Compound extreme events like heatwaves and droughts in eastern China were prolonged by land-atmosphere coupling, leading to devastating impacts on agriculture. The study highlights the crucial role of soil moisture and energy exchange in sustaining these events.
A new hybrid method developed by Concordia researchers combines data from Weibull probability distribution and numerical weather prediction models to improve wind speed forecasting accuracy. This innovation has the potential to significantly enhance urban power generation, particularly in areas with high variability in wind speeds.
A recent study found that Atlantic hurricanes are now twice as likely to strengthen from weak to major intensity in a 24-hour period than between 1970 and 1990. The study suggests that warmer oceans under climate change are driving this increase, with the fastest intensification typically occurring over warm sea surface temperatures.
Scientists analyzed European power blackouts and found that recovering within 13 hours can reduce up to 52% of power loss from cascading events. The study identifies early warning signs and operational training as key to building resiliency in the system.
Researchers developed a climate network analysis method to explore teleconnections, which describe how climate events in one part affect others worldwide. The study found areas like southeastern Australia and South Africa are significantly affected by these interconnected events, with stronger connections over time.
A global study sheds light on extreme heat and drought events in 2022, attributing them to circulation patterns, oceanic forcing, and anthropogenic climate change. The research aims to enhance prediction and mitigation capabilities for future extreme weather occurrences.
Research investigates impact of storm fronts, tropical storms, and cyclones on ocean circulation, finding changes in atmospheric synoptic variability (ASV) slow down ocean circulation and decrease primary productivity. ASV variations also affect mixing of ocean's layers and strength of oceanic circulation systems.
A new study surveyed leading UK food experts, finding that logistical distribution issues are the most likely cause of civil unrest in the next 10 years, but catastrophic failure resulting from extreme weather is more likely over 50 years.
A new study finds that experiencing record-breaking heat days increases perceptions that the weather is getting hotter, but has little effect on beliefs in climate change. Record-heat days can drive changes in the general perception that the weather is worsening, regardless of season or media coverage.
A team of researchers analyzed ancient leaf waxes to study past rainfall and drought patterns. By comparing their data with climate models, they verified how well those models capture past climate change and improved the accuracy of future rainfall predictions.
A global study reveals that extreme events over the last thirty years had substantial impacts on water use patterns, differing per sector and region. The domestic and irrigation sectors have the highest priority for water use worldwide, but stricter measures are often taken in favor of the domestic sector during extremes.
Research reveals that Category 4 and 5 hurricanes are arriving three to four days earlier with each passing decade due to climate change. This shift in seasonal cycle can lead to compounding extreme events and challenges community preparedness.
Researchers have identified a new pattern in the global jet stream that locks in extreme winter cold or wet conditions over North America and Europe. The study found that this pattern, known as wave-4, triples the chances of extreme cold or wet, while also causing abnormally warm or dry conditions.
A new interdisciplinary center at the University of Utah aims to fortify the region's power infrastructure against climate-related threats, including floods, high winds, and drought. The $14 million center will gather and distribute climate and grid data to develop customized models for risk quantification and forecasting.
A new study reveals that weather conditions are a significant driver of global insect decline. Researchers found that unfavourable weather anomalies can lead to reduced insect survival probabilities, particularly in combination with other extreme weather events.
A new study found that multiyear La Niña events have become more common over the last 100 years, with warming in the western Pacific Ocean being a key factor. The study suggests that long-lasting La Niñas will exacerbate adverse impacts on communities around the globe.
Climate change exacerbates cardiovascular disease through poor air quality and extreme temperatures, according to a special issue of the Canadian Journal of Cardiology. Experts review environmental influences, exposures, and practical tips for healthcare providers to mitigate these effects.
River water quality is deteriorating during extreme weather events, such as droughts, heatwaves, rainstorms, and floods. The study found that water quality tends to decline during these events due to increased contaminant transport and reduced dilution.
Researchers at the University of Oklahoma are receiving US DOE funding to explore atmospheric processes that lead to extreme weather events. The project aims to better understand blocking patterns and their impact on climate change, ultimately informing local, state, and national leaders on how to prepare for these events.
The State of the Climate report confirms record highs in greenhouse gas concentrations, global sea levels, and ocean heat content. Scientists from over 60 countries contributed to the annual review, providing a comprehensive update on Earth's climate indicators and notable weather events.
A study by the University of Leeds found that South American forests lost their ability to absorb carbon from the atmosphere during an extreme El Niño event in 2015-2016. This suggests that tropical forests may no longer be able to mitigate climate change, but conservation efforts can still protect them.
A new study suggests that emphasizing the need for energy independence and environmental stewardship could change people's minds about climate change. The research found that those who deny climate change often focus on personal experiences and local issues, but may not be aware of the scale of the problem.
Climate extremes have a disproportionate impact on already stressed economies, leading to increased costs for households and reduced resilience to future shocks. The study's findings highlight the need for increased economic resilience to cope with climate-related disasters and mitigate non-climate related crises.
Research reveals that extreme weather events exacerbate existing problems of gender inequality and poverty, leading families to marry off children as a coping mechanism. Girls who are educated are less likely to be married off early, highlighting the importance of education in protecting against child marriage.
Researchers propose standardized criteria for radiative cooling performance evaluation to improve reliability and comparability. The technology uses the sky as a heat sink to achieve cooling below ambient temperatures.
Scientists have analyzed satellite data to better understand the pre-monsoon season's microphysical features, including larger rain droplets and more heavy ice precipitation on land. Their findings could improve weather prediction and mitigate damage from adverse climate events.
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.
Climate impacts like dry summers causing tree growth reduction and increased mortality in the Black Forest. The study found a peak in tree mortality in 2019, with mortality rates exceeding 40% of sustainable annual growth.
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.
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.
The University of Cambridge team warns that Africa's lack of hydromet infrastructure will lead to a surge in climate-related disasters and deaths. The continent has just 6% of the number of radar stations as Europe and North America, making it vulnerable to floods, droughts, and heatwaves.
A new study reveals the connection between Arctic daily warming and equator region as well as Atlantic storms, shedding light on the impact of North Atlantic Oscillation (NAO) and El Niño-Southern Oscillation (ENSO) on the phenomenon. The research provides a new perspective on weather and climate changes in the Arctic.
Recent extreme events in Antarctica and the Southern Ocean are likely to become more common and severe due to global warming. The study calls for urgent policy action to protect the continent's fragile environments, which have global implications if not preserved.
The first locally acquired malaria cases in the US in 20 years have been reported, highlighting the need for clinicians to be vigilant about the disease's symptoms. Malaria thrives in warmer climates and can cause serious illness and death if not treated, emphasizing the importance of rapid diagnosis and treatment.
A new study found that the Pacific Ocean's western boundary current significantly strengthened due to global warming, contributing to intensified equatorial undercurrents and increased sea surface temperatures in the eastern Pacific. This change has been linked to enhanced El Niño events.
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.
Natural and social scientists must work together to address the climate crisis by understanding the complex interaction between environmental and social changes. The research highlights the importance of studying tipping points in both fields to inform climate change policies and practice.
Research reveals a significant cross-seasonal connection between Arctic sea ice and Eurasian summertime temperature fluctuations. The study found that changes in Arctic sea ice influence atmospheric waves over the North Atlantic–Barents-Kara Sea–Central Asia regions, leading to corresponding changes in temperature fluctuations.
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.
Climate change poses significant risks to heroic viticulture sites in Italy, Portugal, and Spain, including soil degradation and drought. The authors argue that farmers, scientists, and consumers must work together to protect these unique wine regions and their cultural heritage.
Researchers found that humidity plays a crucial role in extreme heat events in China, particularly in eastern regions. The study highlights the need to understand and limit humidity to mitigate regional changes in heat stress.