Articles tagged with Extreme Weather Events
The study found that sea surface temperature fluctuations in tropical Pacific, Indian, and Atlantic Oceans contribute to heavy rainfall events in China. Additionally, the Siberian High pressure system played a significant role in inducing cold surges during the winter of 2020/21.
A team of scientists found that ENSO-related climate variability is expected to increase under global warming due to the amplification of tropical lower tropospheric humidity. This intensification in ENSO-driven atmospheric variability suggests a higher risk of extreme weather events.
A global analysis reveals that breaking Rossby waves and intense moisture transport are two interconnected processes driving large-scale extreme precipitation events globally. These processes, especially in dry subtropical regions, can cause devastating catastrophic flooding and loss of life.
Researchers developed a framework to better predict extreme rainfall events in Mediterranean countries by analyzing weather data from 1979 to today. The study found strong relations between nine distinct atmospheric patterns and the location of extreme weather events.
Climate scientists have long known that human activities increase wildfire risk, but the specific roles and influences were unclear. A new study quantifies competing anthropogenic influences on extreme fire weather risk, revealing heat-trapping greenhouse gas emissions as a dominant contributor.
A recent study suggests that Palaeolithic humans migrated to the Ryukyu Islands via deliberate boat voyages, contrary to previous uncertainty. The findings indicate that humans deliberately crossed one of the world's strongest currents to reach these islands approximately 35,000 years ago.
A new study from Oregon State University found that natural disasters alone are not enough to motivate local communities to engage in climate change mitigation or adaptation. Policy change appears to depend on a combination of factors, including fatalities, media coverage, and community politics.
A study of 109 bird species across eastern North America over a 15-year period found that some birds are more resilient to climate change than others. The research, published in Global Change Biology, suggests that conservation efforts should target vulnerable species and locations predicted to experience extreme weather events.
Scientists predict a 54% increase in rainfall variability in California by the end of this century due to climate change. The study found that extreme weather patterns will become more frequent and intense, with significant impacts on agriculture, flood control, and water management.
New research suggests that the Arctic may impact Eurasian extreme weather events as quickly as two to three weeks, highlighting the need for more robust analysis techniques. The study aims to improve forecast accuracy by targeting specific observations and developing simulation experiments.
A new study by Stanford researchers finds that long-term warming and decreased autumn precipitation are increasing the risk of extreme fire weather conditions in California. The risk has more than doubled over the past four decades, with human-caused global warming making these conditions more likely.
A new Stanford study found that historical observations can lead to significant underestimates of extreme weather events by about half, particularly heat waves and heavy rainfall in Europe, East Asia, and the U.S. Climate models were more accurate in predicting future occurrence of record-setting events.
Researchers analyzed giant clam shell biogeochemical records from the South China Sea and found pulsed changes matched extreme weather events. The study suggests Tridacna shells could be used to record paleoweather patterns.
A new study by University of Exeter researchers has found that Arctic warming does not drive a more meandering jet stream, despite earlier studies suggesting a link between the two. The research suggests random fluctuations in the jet stream influencing Arctic temperatures may be behind any observed correlation.
The top ten list reveals Hurricane Harvey as the most extreme event, followed by Hurricane Sandy and deadly Hurricane Maria. The cost of all ten events totalled over $400bn, with devastating consequences including widespread flooding and injuries.
A new study from UC Davis warns that extreme weather risk is too often ignored in financial markets, putting investors at risk of severe losses. The research highlights the need for better climate risk assessment and pricing to mitigate potential economic consequences.
Rice University engineers developed a deep learning system that uses capsule neural networks to predict extreme weather events, such as heat waves and winter storms, with high accuracy. The system achieves 85% accuracy in five-day forecasts by identifying patterns in pressure systems and regional areas.
A recent study found that a reduction in air pollution in Europe has led to fewer extremely cold days, as the decrease in aerosol particles caused changes in the wintertime Northern Hemisphere polar jet stream. This suggests that aerosols have a stronger impact on extreme winter weather than greenhouse gases at regional scales.
Research reveals that cumulative flooding damage to earthen levees often goes unnoticed due to invisible signs of distress. The study highlights the need for prioritized rehabilitation efforts and accurate identification of high-risk levees.
Research finds that community reactions to extreme weather depend on political leanings and resources before the event. Discussion about climate change is more likely in Democratic-leaning communities or those with highly educated residents.
A new study finds that conservatives who report personal harm from extreme weather events, such as wildfires or floods, are more likely to support climate change mitigation policies. The study surveyed over 1,600 residents in communities affected by extreme weather events and found a significant link between reported harm and support f...
A team of researchers found that the last woolly mammoths on Wrangel Island survived for another 7,000 years without significant changes in their diet or environment. However, when they finally died out, it was due to extreme weather events and potentially human activity.
Researchers developed a more efficient statistical model to analyze extreme weather events globally, identifying regions with high precipitation levels and predicting their frequency. The model can handle vast amounts of data from multiple locations, providing valuable insights for disaster planning.
A recent study found that natural biodiversity can effectively buffer farmers' incomes against droughts and other weather-related shocks in tropical regions. Farmers in areas with greater biodiversity took less of an income hit from droughts compared to those with lower biodiversity.
A recent study by Duke University researchers found that how a community or neighborhood fares in an extreme storm or flood has a stronger and more lasting effect on climate beliefs than individual losses. Damage at the zip-code level was positively associated with stronger climate change beliefs even three or four years after the event.
A climate model has been developed that accurately depicts the winding course of the jet stream, a major air current over the Northern Hemisphere. The new model shows that climate change is causing the jet stream to falter, leading to extreme weather conditions in Central Europe and North America.
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.
Successful global efforts to limit greenhouse gas emissions would likely increase the average GDP of Malawi, Mozambique, and Zambia by 2-6 percentage points by 2050. Lower oil prices due to reduced demand would also contribute to economic growth in these countries.
The OU-led SCIPP is a multi-institutional research team focused on helping south central US communities build resilience to weather and climate extremes. The project aims to improve adaptability, planning, and preparedness in the face of climate-related challenges.
A study published in Nature Sustainability identified 226 food production shocks across 134 nations over a 53-year period. The research found that extreme weather events and geopolitical factors are major drivers of these shocks, posing a growing danger to global food production.
The Madden-Julian Oscillation is likely to experience increased precipitation intensity under a warmer climate, while wind variations may slow or even decrease, according to a new study published in Nature Climate Change. This change could impact weather prediction for extreme events like hurricanes and droughts.
A recent study published by University of Queensland researchers sheds light on the responses of various species to major climate events. The research found that extreme weather events such as cyclones, droughts, and floods are causing unpredictable changes to ecosystems, leading to population declines and local extinctions.
A new study by the University of Warwick identifies constraints on older adults' ability to adapt to heatwaves or cold snaps due to financial issues and social isolation. The research recommends implementing policies to improve individuals' health status, strengthen knowledge of extreme temperatures, and enhance social networks.
Climate scientists predict that extreme summers, like 2018, will continue if countries don't phase out fossil fuels; however, switching to cleaner coal-burning technology can mitigate this effect. Aerosols play a crucial role in regulating temperatures and cooling the planet.
A Rutgers-led study predicts increased frequency of dry spells in the US and Mexico, and heavy rainfall events in south Asia and China. Subtropical stationary waves play a key role in explaining these extremes, which are expected to worsen with climate change.
A study found that experiencing extreme weather does not necessarily convince climate change sceptics of human impact. Instead, partisan news reporting and personal views play a significant role in shaping perceptions. The research suggests that media coverage can have a greater effect on people's beliefs than actual weather events.
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 review of research on summer weather stalling highlights the impact of Arctic warming on air circulation patterns, leading to more frequent extreme weather events. The study suggests that prolonged sunny episodes can turn into heat waves and heavy rainfall, posing a major climate risk.
Japanese researcher develops simple method for generating large data required for ensemble modeling, providing high computational stability and versatility in simulating various weather events. The new approach demonstrates effectiveness in initial conditions for typhoon and global warming simulations.
A new study from the University of Waterloo reveals that most insurance companies have not considered a changing climate in their practices. Insurers are failing to adjust premiums and coverage as extreme weather events increase in severity, frequency, and unpredictability.
A recent study found that the Pacific Walker circulation (PWC) weakens significantly after strong tropical volcanic eruptions (SVEs), leading to changes in rainfall patterns and extreme climate events worldwide. The research suggests that the cooling effect of SVEs on the Maritime Continent plays a dominant role in weakening the PWC.
A new study suggests climate change could raise food insecurity risk in many countries due to weather extremes, with the worst impact expected in South and East Asia. At 2°C global warming, most developing countries will face increased vulnerability to food insecurity.
A study by University of Exeter researchers found a link between the solar cycle and extreme cold winter weather in the UK, Scandinavia, and Asia. During periods of low sunspot activity, Arctic warming and heavy snowfall occurred.
Researchers Raphaël Huser and Jennifer Wadsworth developed an integrated statistical approach to modeling weather extremes, eliminating the need for guessing dependence strength. The new model can handle different spatial dependence scenarios, from strong correlations to complete independence.
A Stanford University study found that even a 1-degree difference between the UN goal and country commitments may increase extreme weather likelihood. The researchers predict a fivefold increase in record-breaking warm nights over Europe and a threefold increase in record-breaking wet days over North America, Europe, and East Asia.
A study by Penn State researchers found correlations between natural disasters, declining farm income, and opioid overdoses in rural America. Opioid-related deaths are increasing in rural counties, with a 10% rise for every $10,000 reduction in net farm income.
A Rutgers University-Camden study found that urban insects are more resilient in extreme weather due to adaptations to high-stress urban environments. Arthropod diversity declined after Hurricane Sandy in New York City parks, becoming indistinguishable from street medians.
Researchers found a correlation between Arctic warming and extreme UK weather events, particularly winter storms and summer rainfall. The study suggests that changes in the North Atlantic jet stream and Greenland high-pressure blocking may be driving these trends.
A record-breaking cold event in Eastern China in 2016 was found to be less likely due to human influences, with anthropogenic forcings estimated to have reduced the likelihood by about 2/3.
Research highlights the need to understand long-term health effects of extreme weather, including chronic psychological impacts and vulnerability in local infrastructure. Coordinated programs are essential for recovery and rebuilding, with healthcare facilities needing to ensure they can withstand disruptions.
Researchers found that high temperatures weaken plant defenses while strengthening bacterial attacks, making plants more vulnerable to infection. However, treatment with a chemical that mimics salicylic acid can effectively protect plants from infection at elevated temperatures.
A new study models the impact of changing precipitation patterns in northern European and North American cities, finding that urban runoff is strongly controlled by built-up versus vegetated surfaces. The research also highlights the importance of wintertime climate for northern cities' flood risks.
A recent study found that extreme weather events do not significantly increase support for climate policies, even among those who experienced severe weather. The study suggests that other factors, such as political beliefs and party affiliation, play a much larger role in shaping attitudes towards climate change.
Research by University of Montana postdoctoral fellow Shane Campbell-Staton found significant increases in cold tolerance at the species' southern limit. Gene expression in southern survivors shifted toward patterns characteristic of northern populations, revealing rapid phenotypic, regulatory and genomic shifts.
A new study tracks natural selection in green anole lizards that survived a record-breaking winter in Texas, revealing a shift towards more robustness against cold weather. The research provides valuable insights into how extreme weather events affect natural populations and the evolution of species.
Scientists at the University of York found that the 1976 drought was the most devastating event for butterflies and moths in 50 years. The study measured data against extreme weather events since 1968, revealing a significant impact on over 50 species. Researchers warn that global warming may exacerbate such events in the future.
Researchers from Netherlands Institute of Ecology launch a new approach to studying extreme climatic events and their long-term impact on nature. The study highlights the difficulty in predicting consequences due to varying species responses, but also identifies key areas for future research.
Researchers found a connection between climate change and extreme weather events, such as heat waves, droughts, and floods, due to the impact of warming Arctic temperatures on the jet stream. The study used historical atmospheric observations and confirmed that this temperature pattern corresponds with persistent extreme weather events.
A recent study suggests that human-made climate change is likely influencing giant planetary waves, which can transport heat and moisture around the globe. These waves can stall, causing droughts or floods. The research found that warming caused by greenhouse-gases from fossil fuels creates favorable conditions for such events.
Researchers tracked social media posts with specific tags before extreme weather events to identify areas at risk. This early warning system has the potential to improve prediction and monitoring of floods and other natural hazards, saving lives and protecting homes.