A team of scientists analyzed chemical signatures in hailstones to determine their growth histories, finding most hailstones follow simple trajectories rather than the previously assumed recycling motion. The study identified key thresholds for hail growth and suggests that strong updrafts are essential for severe hailstorms.
A Cornell University-led study predicts long-term increases in precipitation over East Asia and the Western U.S. as the Southern Ocean warms, regardless of climate mitigation efforts. The research suggests that accounting for cloud feedbacks in climate models can help explain uncertainties and improve predictions.
A study by Barcelona Institute for Global Health estimates that reducing motorized traffic in the city would lead to a 17.6% reduction in nitrogen dioxide levels and prevent nearly 200 premature deaths annually. The addition of port electrification could further increase avoidable deaths to 228 per year.
The KIT-led ASCCI measurement campaign is analyzing the effects of ozone and water vapor in the Arctic troposphere and stratosphere on climate change. The research focuses on understanding the causes and consequences of Arctic warming, including ozone depletion and air pollutant transport.
A new study published in Nature Communications Earth and Environment finds that Arctic cyclones may contribute to the underpredicted decline of sea ice extent. The research suggests two theories: turbulent seas breaking up larger ice floes and upwelling increasing temperatures that help melt younger, thinner ice.
Researchers developed a new data assimilation algorithm using the LETKF technique to enhance global precipitation estimates. The model improved accuracy and computational efficiency, making it suitable for large-scale applications, particularly in mountainous regions.
A team led by Penn State's College of Information Sciences and Technology will use computer vision and machine learning to accelerate weather forecast processing, improving predictions and reducing delays. The research aims to integrate satellite data into current forecasting models, enhancing accuracy and speed.
A new method called Wasserstein Stability Analysis (WSA) offers fresh insights into climate change by introducing a perspective on extreme events and probability distribution shifts. The study uncovered a La Niña-like temperature shift in the equatorial eastern Pacific, which traditional methods had overlooked.
A study by Professor Carlos Coimbra examines the thermal balances between solar farm panels and desert environments, revealing potential impacts on local habitats. The emerging field of energy meteorology aims to better understand weather effects on power generation and distribution systems.
A special collection addresses solar energy's environmental and technical issues, combining atmospheric science and solar engineering expertise.
Researchers have created the first-ever meridional profile of Mars' radiant energy budget, showing a polar energy surplus and a tropical energy deficit. This discovery provides critical insights into Martian weather patterns and climate evolution.
Roman Krzysztofowicz, a professor of systems engineering at the University of Virginia, has written a new book that combines his decades-long research on probabilistic forecasts and optimal decisions. His work builds on his early studies in hydrology and computer programming, which laid the foundation for his later studies in decision ...
A recent study led by University of Barcelona experts found that the North Atlantic Oscillation (NAO) shift is likely caused by natural atmospheric variability rather than anthropogenic factors. The research suggests that factors such as wind interaction with orography and land-sea contrast play a role in controlling NAO shifts.
When two tropical cyclones collide in the Indian Ocean, they can intensify considerably, leading to extreme interactions between the ocean and atmosphere. The study found that effects occurred that have only been observed with much stronger cyclones, including a cooling effect of three degrees Celsius and upwelling of deep water masses.
A new meteorology estimation method developed at Osaka Metropolitan University improves the accuracy of building energy simulations by considering interdependent factors such as temperature, solar radiation, and humidity. The generated data was found to be almost identical to the original dataset, proving its accuracy.
A new model has combined data from unmanned aerial vehicles and Beidou sounding systems to improve typhoon forecasting capabilities. The results show that the forecast landing point of Typhoon Haikui was significantly closer to reality.
The PICCOLO project aims to improve understanding of clouds and convective storms in the tropics, with the ORCESTRA campaign utilizing sea-borne and air-borne teams to collect data. Researchers collected detailed information on precipitation, cloud microphysics, and convective dynamics.
Researchers used 16 years of radar weather data to monitor bird migration patterns from Tasmania to northern Queensland, finding millions of birds migrate each year. The study revealed unique patterns, including variation in migration direction, timing, and intensity compared to Northern Hemisphere birds.
Deforestation leads to decreased cloud cover, which partially offsets surface albedo change's cooling effect on climate. Researchers analyzed idealized deforestation simulations using climate models to provide insights into the impact of large-scale deforestation on global low-level and tropical high-level clouds.
Scientists propose alternative explanation for doldrums' lack of wind, attributing it to sinking air masses and clear weather conditions. The study challenges traditional textbook explanation and offers new insights into the Intertropical Convergence Zone.
The 'Our Way Model' reveals four phases of human dispersal, including a slow expansion from the Levant to western Europe and rapid advancements into previously unsettled areas. Climate change significantly impacted human dispersal, with periods of severe cold and warming influencing population growth and decline.
The new journal aims to facilitate constructive dialogues among scholars from diverse disciplines, including social sciences, natural sciences, and humanities. It will publish work by academics globally, promoting informed conversations, bridging divides, and inspiring meaningful climate action.
Researchers from Leipzig University studied cloud movement in the Arctic using a large-scale international research campaign called HALO (AC)³. They observed air mass transformations over open ocean, sea ice, and central Arctic sea ice.
A team of researchers at Argonne National Laboratory has created accessible maps for colorblind scientists in the weather radar community. The new colormaps, developed using Python programming tools, highlight important characteristics of clouds and precipitation while being CVD-friendly.
A March 2022 weather event in Antarctica caused record-high death rates for invertebrate organisms. The event, which resulted in a massive thaw, was studied to understand its impact on the ecosystem and predict future responses to climate change.
Research on wind farms reveals their potential to slow tropical cyclone winds and reduce precipitation. Additionally, a study found that people experiencing homelessness are four times more likely to suffer temperature-related illnesses, such as heat stroke, than the general population.
A new computer software package, gam.hp R package, calculates individual R² values for predictors in GAMs based on the average shared variance concept. This allows for equitable distribution of shared R² among related predictors and provides a measure of each predictor's unique and shared contribution to the model's fit.
A recent study published in Geophysical Research Letters found that most large flood events and potential flood peak periods in East Asia are dominated by mesoscale convective systems (MCS). The research revealed that among major floods from 2000 to 2021, 91% were related to MCS.
Researchers discovered that Storm Ciaran's record-breaking low pressure led to a significant drop in the boiling point of water in southern Britain, affecting approximately 20 million people. The study found that water was boiling at just 98°C, which is 2°C lower than the ideal temperature for brewing decent tea.
A study by Dan Chavas and his team found that the rough texture of the land surface in South America may prevent tornadoes from forming, while a smoother ocean surface in North America enhances their frequency. This challenges established wisdom about the role of the Gulf of Mexico in tornado formation.
Forecaster.health predicts temperature-related mortality risks for different population subgroups based on sex and age. The system issues color-coded warnings for 580 European regions, considering social determinants of vulnerability.
A new study suggests that human activities may actually reduce the severity of droughts in certain regions. Climate model simulations indicate that aerosols and greenhouse gases produced by human activities have opposite effects on atmospheric chemical composition and precipitation mechanisms. This research challenges previous conclusi...
The EOLO group presents a new method for analyzing the long-term mechanical fatigue of floating offshore wind turbines, using historical data from 1920 to 2010. The study found that sea conditions can affect turbine lifespan, potentially reducing its service life by up to 5 years.
Researchers identified three distinct spatial types of summer extreme precipitation on the Tibetan Plateau, each influenced by unique atmospheric circulation patterns and precursor anomalies. The study provides a more robust foundation for predicting extreme precipitation events during the summer season in this region.
A recent study reveals that reducing primary emissions has a significant impact on decreasing fine particles and ozone levels in China's North China Plain region. The research, published in Atmospheric and Oceanic Science Letters, found that controlling anthropogenic emissions can effectively mitigate secondary pollution during summer.
A recent study found that approximately 30% of India's PM2.5 air quality improvements can be attributed to favorable meteorological conditions, highlighting the need for additional mitigation measures. The researchers also noted that emissions of key PM2.5 precursors have not decreased and may indicate ineffective or under-enforced pol...
The year 2023 saw unprecedented extreme weather events globally, with a record-breaking temperature increase of 1.45°C above pre-industrial times. Emerging features include earlier onset of heatwaves and increased simultaneous events in different parts of the world.
The University of Leeds says Africa needs significant investment in scientific infrastructure and science careers to adapt to climate change. Gaps in understanding the science behind tropical weather systems hinder African weather forecasting, leaving half the population without early warnings.
Researchers developed a new type of ocean model that can simulate the transport, storage, and turnover of carbon in the global coastal ocean. The model shows that intense plankton growth is key to enhanced CO2 uptake in coastal oceans, which could strengthen with ongoing CO2 emissions.
A Penn State technique combining satellite data with existing computer weather forecast models produces more accurate forecasts of surface gusts in severe thunderstorms. This method can be especially useful in areas lacking ground-based weather monitoring infrastructure, such as radar systems.
Scientists at the University of Vienna identified a significant error in calculating temperature extremes, leading to an underestimation of heat days. The mistake stems from incorrect application of moving time windows, which can reduce the probability of extreme events.
Researchers at LMU have discovered that weak polar vortex states in the stratosphere lead to reduced uncertainty in long-range weather forecasts over Northern Europe. This allows for more accurate predictions of cold spells and storm activity, making the weather more predictable.
Scientists find that increased Asian aerosol emissions slow the AMOC's movements, reducing solar heating and cooling the Earth's climate. Reducing these emissions can help stabilize the AMOC, according to a study published in Nature Communications.
A new study by Penn State researchers reveals that Arctic sea ice loss will deplete the source of cold air for North America, leading to less cold weather events. The loss of sea ice also changes weather patterns, allowing warmer temperatures to reach the surface.
A PSU study analyzed the meteorology behind the September 2020 Western United States extreme weather event, which caused record-breaking cold temperatures and early-season snowfall in the Rocky Mountains. The research found that a highly amplified wave pattern persisted for several days, fueled by dry air from western Canada.
A new study using a high-resolution global climate model found that cloud clustering causes more extreme rain in the tropics, leading to increased severity of precipitation events. The researchers also discovered that more extreme rain occurs at the cost of expansion of dry areas, further shifting towards extreme weather patterns.
Researchers found that artepillin C interacts intensely with tumor cells, altering their fluidity and triggering autophagy. The study's results contribute to a deeper understanding of the substance's action mechanisms and provide insights for future research.
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.
The AMS 104th Annual Meeting will focus on climate change research, mitigation, and adaptation, with key discussions on overcoming barriers to implementation. The meeting features numerous scientific conferences and symposia covering topics like climate variability, air pollution meteorology, AI for environmental science, and more.
The researchers developed an AI-based generative neural network called GAN that can generate highly resolved radar precipitation films from coarsely resolved maps. This higher resolution is required to better forecast heavy local precipitation and the resulting natural disasters in future.
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.
A fast urban micro-meteorology model was developed to assess regional weather and human comfort index in the central Beijing region. The model captured fine spatial structures of wind, air temperature, humidity, and comfort index, revealing blockage effects on wind fields and sun lights.
Forest microclimates are weakened by soil droughts, leading to hotter temperatures in forest understories. This can have devastating effects on small tree seedlings and forest biodiversity as a whole.
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 reveals a disturbing trend of increased short-duration extreme precipitation over mountainous regions in Southwest China, exacerbating climate change impacts. The research finds that these events are more frequent and intense than total precipitation, posing significant risks to lives and ecosystems.
A University of Oklahoma-led study highlights newly measured extremes in stratospheric water vapor recorded during the DCOTSS field project. High-level thunderstorms enhance water vapor in the stratosphere at levels higher than previously understood.
Researchers found that city-scale building energy use in US cities may increase by 13.8% for each degree of climate warming on average. The largest increase is expected in the South and Southwest regions, where electricity EUI will rise up to 7.2%.
A global redistribution of nitrogen fertilizer use could reduce grain production in North America, Europe, and East Asia while increasing it in Sub-Saharan Africa. This would decrease nitrogen pollution by 71 percent and positively affect nitrous oxide emissions.
Researchers predict a shift from drying to wetting in the Himalayan region due to reduced anthropogenic aerosol emissions, with climate model simulations suggesting increased precipitation throughout High Mountain Asia by the 2040s. This change is primarily driven by human-induced factors, rather than natural variability.
The Cabo Verde Atmospheric Observatory is expanding with a new laboratory building on São Vicente, thanks to €3 million in funding from the German government. The facility will enhance international climate research capabilities in the tropical Atlantic.