Articles tagged with Extreme Weather Events
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Researchers have discovered that reactive oxygen species (ROS) can serve as a communication signal to indicate plant stress, which is critical for crop survival and can significantly decrease with multiple stressors. By monitoring ROS levels, farmers can identify plants under stress and take corrective measures to prevent crop loss.
Researchers warn that climate change poses a significant threat to global food supply and stability, potentially triggering famine, conflicts, and new disease outbreaks. The study proposes a research agenda to explore worst-case scenarios, including 'warm wars' and ecosystem collapse, highlighting the need for urgent action.
Researchers evaluated the prediction of a record-breaking heatwave in the Pacific Northwest, finding that forecasts were able to accurately predict the event. The study highlights the importance of trust, preparedness, and early action when extreme weather is forecasted.
The 'Buen Aire Para Todos' project will create a new air quality monitoring system with stationary and mobile sensors, improving data on air quality for local residents. The project aims to expand community awareness, education, and outreach to help residents better understand air quality measurements.
The Three Gorges region experienced frequent climate extremes in 2021, including abundant rainfall and record-breaking extreme weather events. The study highlights the importance of monitoring climate anomalies and improving observations to better understand their impact on the region.
Researchers analyzed the catastrophic failure of Japan's Misasa Railroad Bridge, revealing that flood hydrodynamic forces exceeded seismic design standards by nearly double. The study recommends increasing space under bridges to reduce submersion and designing structures to withstand overflow.
New research highlights how climate change enhances wildfire risk globally, but human actions and policies can mitigate regional impacts. The study assesses 500 previous papers and examines future fire weather trends to provide insight into the success or failure of climate policies.
Researchers at Keck School of Medicine of USC found that extreme heat and air pollution coincide to increase mortality risk by 21%. Deaths due to cardiovascular and respiratory conditions also increased significantly on days with both extreme heat and air pollution.
A new Johns Hopkins study reveals how simultaneous extreme weather events like heat waves and droughts can create dangerous cascades in the US. The research found that dueling weather events likely drove this year's New Mexico wildfire to historic proportions, with similar patterns expected under climate change.
Researchers examine historical data and weather patterns to understand west-side wildfires' timing, size, and causes. They find that severe fires are normal for the region when looking at longer time scales, and conventional fire management tools may be less effective due to extreme winds.
A study published in The Lancet Planetary Health found that extreme weather events exacerbate gender-based violence by creating socioeconomic instability, structural power inequalities, and mental stress. This can lead to physical injury, unwanted pregnancy, and long-term consequences for victims.
A study published in Atmospheric and Oceanic Science Letters found that tropical thunderstorms may influence the occurrence of persistent extreme cold events in Northeast China. Cloud clusters from the Madden-Julian oscillation can trigger cooling over the region, leading to extended periods of below-−30°C temperatures.
A new study reveals that Nor'easters produce flood levels just as severe as hurricanes, but occur much more frequently in the Mid-Atlantic region. The intense storms can cause significant damage and disruption along the coastline, with some events surpassing those from tropical cyclones.
A team of Australian scientists has analyzed rare earth elements in drilled reef cores to unveil a deep history of wild weather on the Great Barrier Reef. The study reveals that extreme runoff from intense monsoons affected water quality over 8,000 years ago, leading to reduced coral growth and reef decline.
In 2021, China experienced a new temperature high of 10.5℃, breaking the historical record since 1951. Annual precipitation was 672.1 mm, 6.7% above normal, with severe consequences including torrential rain, autumn floods, and heat waves. Despite some economic losses, crop area and human fatalities decreased significantly.
A new study found that extreme weather events can mobilize hundreds of thousands of cubic meters of sand into beach systems, potentially offsetting shoreline retreat caused by sea level rise. Researchers used high-resolution measurements and specialized equipment to track sand movement before and after storms.
A new study reveals the most intense heatwaves ever recorded globally, exposing some extreme weather events that went largely underreported in the past. The research uses climate models to project an increase in heatwave intensity in line with rising global temperatures.
A new online portal developed by UKCEH enables forecasters to provide communities with more reliable warnings about large storms in the Sahel region. The portal uses state-of-the-art weather forecast models to predict storm behavior, taking into account factors such as land surface temperatures, soil moisture, and atmospheric humidity.
A new study projects that climate change will more than double the frequency of intense tropical cyclones globally by 2050, increasing maximum wind speeds by up to 20%. This will disproportionately affect low-income countries and regions that are not currently prone to these events.
A new virtual reality (VR) experience is educating children aged 10-12 about bushfires, helping them learn how to be safer in emergencies. The project demonstrates the effectiveness of immersive VR experiences in delivering positive learning outcomes for primary children.
A new analysis found that offshore wind power in New England could reduce wholesale electricity prices by $28.81 megawatts per hour, while lowering emissions consistently. However, extreme winter storms may cause temporary losses of power due to high wind speeds, but these events are rare and do not break the system.
A severe rainstorm over Kauai in April 2018 resulted in $180 million in damage and 532 homes destroyed. The study found that supercell thunderstorms triggered the deluge, which set a new US 24-hour rainfall record of nearly 50 inches.
A study of 2021's extreme weather events in China, the US, Canada, and Europe found a mix of natural and human-caused factors at play. The research highlights the need for real-time climate event attribution systems to better understand and adapt to climate change.
Researchers at RIKEN Center for Computational Science used computer simulations to show that extreme weather phenomena can be controlled by making small adjustments to variables in the weather system. The study's findings promise multiple applications, including preventing and mitigating extreme windstorms.
Researchers at Mainz University created artificial hailstones using a 3D printer to study their behavior in a vertical wind tunnel. The experiments revealed that the form of hailstones determines their velocity before impact, which can affect the severity of precipitation events.
Volunteers transcribed 130 years of handwritten rainfall observations, extending the UK's rainfall record back to 1836. The new data provides insights into extreme dry and wet months, as well as recent changes in rainfall due to climate change.
Researchers at EPFL and ETH Zurich propose a rational explanation for the deaths of nine hikers in 1959, attributing their injuries to a small slab avalanche. The team's work was met with intense media attention and criticism from conspiracy theorists before being accepted by the Russian scientific community.
The Texas cold snap highlighted the critical role of electricity in society and the need for improved power system planning to withstand extreme weather events. The event showed that traditional planning based on historical weather patterns is not sufficient, and new information from climate projection models is needed.
Researchers are developing new methods to predict extreme weather events, including building a 'weather dictionary' using word search technology and AI physics. By analyzing patterns and motifs in weather data, scientists aim to better understand the impact of climate change on extreme weather events.
Research led by Dr. Petra Holden from the University of Cape Town found that catchment restoration through alien tree management can reduce climate change's impact on drought streamflow. The study shows that clearing moderate levels of invasion can result in a 3-16% amelioration of human-derived climate change impact.
A novel framework for improving scientific understanding of 'recurrent acute disasters' (RADs) has been developed to account for legacy conditions that leave people vulnerable in the wake of repeated disasters. The framework proposes a holistic view of the 'human ecosystem' and trends in legacy conditions.
A new study predicts that El Niño events will increase in frequency by 2040, regardless of efforts to reduce carbon emissions. The researchers used state-of-the-art climate models to examine the potential impacts of different emissions scenarios on global weather fluctuations.
The European Union is projected to experience increased fire-prone areas, threatening biodiversity and carbon sinks. The IPCC report highlights the need for adaptation in addressing wildfires, focusing on fire and forest management to increase ecosystem resilience.
New research from the University of Reading found that changes in air pollution levels in Asia and Europe may have driven prolonged European summer extremes and Central Asian dry spells. The study revealed that air pollution reductions in Europe strengthened the jet stream, while increases in Asia weakened it.
Researchers assess predictive skills of ocean heat content in two state-of-the-art seasonal forecasting systems, finding potential to predict sub-surface warming up to two seasons in advance. This could aid mitigation of extreme events and provide early warnings for industries such as aquaculture and fishing.
A new study reveals a significant shift in the Northern Hemisphere jet stream position, increasing by up to 330 km and speed by 8% during 1871-2011. This shift is linked to warming Arctic winters and decreased temperature gradients, with implications for climate predictions and storm activity.
A new study led by Oregon State University finds that climate change has increased the likelihood of hot, dry, windy autumn weather that can lead to severe fires in the region. The research, which examined conditions during recent large fires, found a 40% increase in extreme fire weather conditions due to human-caused climate change.
Researchers developed a new model to predict storm damage, allowing for effective resource allocation and reduction in societal consequences. The framework can be applied to various infrastructure systems and weather events, promoting better preparedness and response.
A recent study found that temperature variation affects infection rates and disease outcomes in distinct ways, with different effects depending on the average background temperature. Temperature fluctuations such as heatwaves can reduce infectivity and spore burden of parasites, but may not impact disease outcomes.
A new study found that businesses run by minorities, women, and veterans were more likely to experience negative effects from the pandemic than non-HUGO businesses. The researchers analyzed responses from over 1,350 businesses and found that demographic factors played a significant role in determining a business's resilience during the...
A study by University of Zurich researchers reveals Arctic warming causes temperature anomalies and cold damage thousands of kilometers away in East Asia, leading to reduced vegetation growth and smaller harvests. The warmer Arctic winters also trigger extreme winter weather events in the region.
Scientists from Nagoya University investigate the formation of air channels in wetland plants, which help them survive floods and droughts. The study reveals that a phytohormone called auxin is required for normal root growth, and two factors lead to the induction of aerenchyma formation in response to flooding.
A review of over 500 studies on urban climate and weather reveals significant gaps in current understanding and modeling. The researchers emphasize the need for better observation-model integration, improved communication between scientists and end users, and standardized meteorological stations.
A new study by the Mental Health and Climate Change Alliance found that climate change weather events, such as last summer's Western North American heat dome, significantly increased anxiety levels among British Columbians. The researchers used a validated measurement tool to explore the impacts of extreme heat on mental health in Canada.
A recent study found that large wildfires and severe heat events worsen air pollution across the western United States, affecting 68% of the region's population in one day. The study revealed an increasing trend in days with high levels of both particulate matter and ozone, tied to rising temperatures and wildfires.
In a new study, desert shrubs in the Southwest have increased their water use efficiency at unprecedented rates to survive a decades-long megadrought. The study found that despite this heroic increase, shrubs may not be adapting quickly enough to long-term drying trends in the West.
Researchers found that climate change is causing a compound effect of extreme events in the oceans, including heatwaves, acidity, and low oxygen levels. This combination can be fatal to marine species, especially those already living at the upper end of their optimal temperature range.
The Forest Condition Monitor tool uses color-coded visualization to identify areas of high-stress forests across Europe, allowing for targeted conservation efforts and research. Scientists can study these regions to understand eco-physiological processes and warn forest owners of potential risks.
A new analysis found that low-income households in New Orleans lost nearly 35% of their income after Hurricane Katrina, while high-income households in NYC lost only 5.8%. The study highlights the need for diversified income sources to mitigate economic harm from extreme weather events.
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.
A new study found that extreme fire weather is being driven by a decrease in atmospheric humidity coupled with rising temperatures. This trend is linked to an increase in naturally occurring extreme fire events, spreading to new areas and burning more intensely than ever before.
Researchers are using X-ray CT to analyze magnetic minerals in speleothems, which can reveal past climate conditions. The team hopes to uncover evidence of extreme weather events and improve understanding of New Zealand's climate history.
A record-breaking summer of flooding in eastern Asia prompted an international team to research and submit findings on the event to a special journal issue. The studies highlighted unusual behavior of an anti-cyclone and its connection to the Indian Ocean's warming, leading to persistent extreme rainfall.
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.
A new study has found that Greenland's ice sheet is experiencing increased frequency and intensity of extreme ice melting events, leading to a 21% rise in meltwater runoff over the past four decades. This raises global flood risk and disrupts marine ecosystems.
Research finds that overlapping weather extremes increase global economic losses by an average of 20% due to supply shortages and price increases. Richer economies are hit harder, with China experiencing above-average losses of over 27%.
New research from the University of Arizona suggests that a slowdown in the Atlantic Meridional Overturning Circulation (AMOC) will intensify extreme cold weather in the US. The study found that without the AMOC, extremely cold winter weather would become more frequent and severe.
A study found that climate change increased the probability of heavy rainfall by 70% in Brazil's Minas Gerais state, leading to severe flooding, deaths, and massive damage. The extreme event caused over 90,000 people to be temporarily homeless and resulted in significant economic losses.
A new proposed scheme has been developed to seamlessly detect cutoff lows and preexisting troughs in a consistent and integrated manner. The scheme uses an automated numerical approach to extract the locations, intensities, and sizes of these features from snapshot upper tropospheric weather map data.
Researchers found that stronger hurricanes trap and transport more birds due to their intense winds and thunderstorms. The study used radar data from 33 Atlantic hurricanes between 2011 and 2020, revealing a correlation between hurricane intensity and the presence of birds within the eye.