Articles tagged with Weather
Extreme heat in schools harms learning and health, with students facing exposure during indoor and outdoor activities. The report offers concrete steps for school districts to reduce potential harms through heat planning and infrastructure improvements.
Researchers identified a recurring setup of atmospheric conditions that lead to prolonged periods of intense rainfall. The study found that existing operational weather forecasts can capture these large-scale patterns, paving the way for more accurate predictions of high-impact southwest monsoon events.
Scientists have discovered a new process that forms cloud-forming particles in the Arctic atmosphere when melting sea ice meets open ocean. This combination of marine life and sunlight releases a chemical mixture that seeds the sky with particles, increasing cloud cover and affecting global climate.
New research suggests that collecting and spraying rainwater on rooftops during hot weather can significantly reduce energy demand for air conditioning and lower urban temperatures. The study found that this approach could cut the number of heatwave days overall and lessen the intensity of extreme heat events.
A Virginia Tech team analyzed over 1,000 storm surge events to identify distinct patterns that depend on both storm characteristics and coastal geography. The findings could help engineers design infrastructure to withstand unique flood timelines and support better planning and decision making for coastal communities.
A Northwestern University study found that areas with shrinking tree canopy cover experience higher mortality rates, particularly in hot neighborhoods. Protecting mature trees alongside planting new ones is crucial for reducing health risks and strengthening climate resilience.
A new SwRI study provides the first evidence of recent liquid flows to Pluto's surface, suggesting that liquid nitrogen is rising from beneath the Sputnik Planitia glacier. This finding, based on data from NASA's New Horizons spacecraft, indicates a new kind of time-variable feature on Pluto.
Researchers created a planning framework that assesses long-term investment strategies for improved resilience in the power grid. The framework maps weather events to grid impacts and quantifies cost-benefit trade-offs of possible solutions.
Researchers analyzed the 2025 Texas Hill Country floods, which killed at least 135 people, including 28 at Camp Mystic. Experimental models showed they could have predicted extreme flows with greater lead time.
New analysis reveals Arctic winter sea ice coverage declined significantly due to record lows in 2025 and 2026, reversing a brief slowdown. The study suggests that Arctic winter sea ice loss is continuing in a warming climate.
A new study reveals that temperature changes in the Indian Ocean can significantly influence winter weather thousands of kilometers away in the Eastern Mediterranean, offering new opportunities to predict damaging dry spells months before they occur. Positive phases of the Indian Ocean Dipole are linked to large-scale shifts in atmosph...
A new study finds that a slowing Atlantic Ocean current will strengthen powerful storms in California while reducing snowfall over Greenland. The Atlantic Meridional Overturning Circulation's weakening is projected to increase atmospheric moisture and high-altitude winds, creating more destructive atmospheric rivers.
A study found that forecast error types influence public emotion during disasters, with anxiety and worry being the most common emotions. The researchers suggest that communicating forecast uncertainty effectively could improve public trust and reduce emotional distress during future extreme weather events.
The University of Bath's Centre for Climate Adaptation & Environment Research has joined the STRIVE mission, a NASA Earth System Explorer project aiming to improve weather forecasting and climate modeling. The team will focus on understanding atmospheric waves and their impact on energy transport.
Researchers at Hiroshima University have applied black-box optimization algorithms to model rainfall minimization through weather control. They demonstrated that Bayesian optimization can effectively design weather interventions, even under a limited budget of expensive weather simulations, by optimizing only a small number of trials.
Research from the University of East Anglia found that even modest changes in weather can impact mental health service demand, with increases during hot weather and low sunshine. Fluctuations in temperature and sunlight exposure were linked to shifts in unscheduled healthcare use, with rainfall appearing to have little consistent effect.
A breakthrough study reveals that powerful solar storms can lead to sharp changes in North American weather patterns, including declines in precipitation. The more intense the storm, the more dramatic the shift in weather.
A new study reveals that climate models reproduce extreme heat but struggle to capture the gradual atmospheric buildup leading up to it. The researchers propose a process-based framework for evaluating climate models to improve prediction capabilities and enhance preparedness for extreme heat events.
New studies reveal potential for 30-day forecast accuracy boosts using machine learning and explore the impact of vegetation on ocean currents during the Little Ice Age. Researchers also find that La Niña events can slow global warming by amplifying each other's cooling effects.
A study found that south-facing green walls can improve indoor thermal conditions by up to 1.7°C and enhance outdoor thermal comfort through albedo effects. Low albedo exterior surfaces also improved outdoor thermal comfort by approximately 1.5°C, while high albedo surfaces reduced indoor temperatures.
A study predicts climate change will trap air pollutants over coastal areas, increasing health risks for millions in Barcelona. Ozone concentrations are projected to rise substantially along the coastline by 2100.
The American Heart Association warns that extreme heat events are increasing, posing significant cardiovascular risks. The statement outlines contributing factors and recommendations to mitigate these risks, particularly for vulnerable populations such as older adults and those with low incomes.
Research from the University of Gothenburg has found that spring storms in Europe are becoming more common, with a shift towards more intense and frequent winter storms. The study, which analyzed historical weather data from 1940 to 2024, suggests that Arctic sea ice reduction is a key factor contributing to these changes.
Researchers propose a framework for on-demand atmospheric observations using lightweight, low-cost profiling systems to improve short-term forecasting and climate resilience. Community-operated systems could fill critical gaps in existing forecasting systems, particularly in remote regions.
Researchers identified two weather patterns associated with an increased risk of headaches in the Northeast US. The study found that approaching cold fronts and high-pressure systems, such as the Bermuda High, can trigger new-onset headaches in people with episodic migraines.
Researchers from Virginia Tech found that airborne particles have an outer alkaline shell, contradicting the traditional view of uniform droplets. This discovery has significant implications for understanding air quality and climate change.
Researchers found that small-scale thunderstorms strengthen over cities, while cold frontal storms weaken their rainfall intensity. Urban heat and roughness disrupt the lower part of storm systems, leading to varying effects on different types of storms.
Recent studies investigate the relationship between weather conditions and extreme events like heat-related mortality, tropical cyclone hazards, and changes in precipitation patterns. Researchers also explore new modeling methods to predict visually appealing atmospheric phenomena like 'ornamental twilight'.
A study by Dartmouth researchers shows that annual rainfall is increasingly concentrated into bigger and wetter storms with longer dry periods in between. This means less water is available for land, soil can only absorb so much at once, and what's not soaked up evaporates more readily.
A new probabilistic model developed by Kyoto University shows that about 50 to 60 percent of the variance in typhoon intensity can be explained by spatial ocean surface temperature (SST) patterns and increasing average SST due to climate change.
Researchers identify a 'vertical conveyor' mechanism that transports moisture from the mid-latitudes to the Asian Water Towers through a process of nocturnal decoupling. This process integrates up to 30% of westerlies-advected moisture into the local cycle without precipitation, sustaining near-surface moisture accumulation.
Researchers discovered a 'hydraulic jump' causing massive cloud waves on Venus, connected to the planet's superrotation and sulfuric acid vapor. This phenomenon may also impact future Mars missions, with potential implications for planetary exploration.
Researchers from South China University of Technology reconstructed the path and intensity of a devastating EF3-level tornado that occurred in Guangzhou, China on April 27, 2024. The study used a combination of UAV remote sensing, ground-based surveys, and mesoscale numerical simulation to analyze the tornado's damage mechanisms.
New research from Johns Hopkins University finds that nighttime temperature swings are key predictors of asthma-related ER cases. The study suggests that updating Code Red alerts to include nighttime temperatures could help protect vulnerable communities.
Researchers from UNIGE and KIT found that traditional numerical models remain more reliable for predicting extreme phenomena than AI-based forecasts. The study highlights the limitations of AI weather models in extrapolating beyond their training domain, making them less effective for record-breaking events.
A new study reveals that climate models are less confident in predicting regional rainfall patterns due to uncertainties in large-scale wind patterns. This limits confidence in forecasts of floods and droughts, particularly in regions vulnerable to these events.
A recent study has developed an analytical model of downburst wind fields, which reproduces key observable features while adhering to fundamental mechanical principles. The model proposes a framework for assessing train overturning due to downbursts, with high train speeds identified as the most significant contributor to increased risk.
A UCLA-led study reveals that airborne desert dust traps about twice as much heat as previously estimated, leading to improved climate and weather models. This increase in precision will help forecasters predict regional temperature shifts, rainfall patterns, and atmospheric motions.
A new NYU study analyzes hourly ridership at 10 major NYC subway stations between 2023 and 2025. Heavy rain affects peak hour travel, while extreme cold has a smaller impact, especially off-peak. The research highlights the importance of considering infrastructure, station design, and surrounding land use in transit planning.
A new study finds that warmer winters will lead to faster water transit times in the western United States, negatively impacting summer water levels and quality. The research focuses on the Naches River basin, where snowpack declines have already resulted in earlier spring discharges.
New research from the American Meteorological Society explores AI forecasting limits, the impact of climate change on hurricane trends, and simplifies the heat index. The studies find that machine learning can outperform numerical physics-based models in certain conditions, but not universally.
Researchers found that atmospheric rivers and well-organized atmospheric systems can produce significantly heavier rainfall while also creating clearer signals in the atmosphere. This understanding could improve early warnings for extreme events and sharpen forecasting tools globally.
Researchers have identified fungal proteins that can catalyze ice formation at high subzero temperatures, making them a potential alternative to toxic silver iodide in cloud seeding. The discovery could lead to safer weather modification and improved food preservation techniques.
Researchers investigated the Mississippi River's hydrological trends, ocean carbon storage, and gender dynamics in flood mortality. A study found that precipitation increases, but soil moisture decreases, while high-resolution models reveal stronger Southern Ocean carbon absorption. Additionally, data showed men are overrepresented in ...
Researchers developed Zephyrus, an AI agent capable of analyzing and answering questions in natural language about weather and climate data. The agent can handle language-based queries, translating them into code and generating plain language answers.
Researchers developed a model to calculate snow accumulation on roofs, considering snowflake size and distribution. Larger snow particles lead to greater accumulation, while higher wind speeds reduce depth. The study provides insights for building codes and guidelines for snow loading.
Researchers found that removing typhoon-induced precipitation leads to sharply declining soil moisture and more severe drought conditions worldwide. The effect of typhoons varies by region, acting as a condition that exacerbates drought in some areas, while mitigating it in others.
Researchers developed a new method to predict extreme rainfall in Japan, using Integrated Nested Laplace Approximation - Stochastic Partial Differential Equation (INLA-SPDE), which outperformed traditional kriging methods. The study used hourly precipitation data from 752 meteorological stations across four main islands of Japan and fo...
The article discusses current evidence on risks of ambient heat to pregnant women, including hot weather and occupational exposures. Effective strategies for managing heat-related risks are also highlighted as critical for maintaining maternal health.
A new study reveals that exposure to extreme heat during pregnancy significantly alters the human sex ratio at birth, leading to fewer male births. In sub-Saharan Africa, this is driven by biological factors, while in India, it is influenced by cultural practices and behavioral changes.
A new study reveals that heat uptake fluctuations in the Aegean Sea during August predict Eastern Mediterranean winter rainfall. The Aegean Sea Heat Uptake Anomaly (AQA) index captures year-to-year rainfall variability and improves seasonal forecasting skill.
Scientists warn that synchronised extreme fire weather, characterized by warm and dry conditions, has increased worldwide since 1979, straining international firefighting cooperation. The number of high-risk days with simultaneous fires is more than doubling, making wildfires harder to tackle and increasing air quality issues.
A new study finds that U.S. tornado activity is shifting southeastward due to the relationship between extratropical cyclones and low-pressure systems. Additionally, global warming has led to a fourfold increase in tropical cyclone rapid slowdown events in coastal areas.
A study by Newcastle University found that UK winters are becoming significantly wetter, with a 7% increase in rainfall per degree of global warming, driven by rising temperatures from anthropogenic warming. The experts warn that this trend will continue to worsen, increasing the risk of flooding and economic damages.
A recent study led by Smithsonian researchers found that half of the world's coral reefs suffered significant damage due to a global marine heatwave between 2014 and 2017. The analysis also showed that an even more severe event is unfolding now, with 50% of coral reefs experiencing significant damage.
Researchers at the University of Göttingen found that forest soils in south-western Germany absorb more methane as climate conditions become drier and warmer. This contradicts current international meta-analyses, highlighting the importance of long-term monitoring for assessing the effects of climate change.
A new study from Tohoku University and other international researchers has found that an anomalous dust storm on Mars can drive the transport of water to the upper layers of the atmosphere, leading to significant water loss. This discovery opens a new path for understanding how Mars lost much of its water over time.
Researchers at the University of Kansas have developed a tornado-forecast system called Warn-on-Forecast System (WoFS) that can predict tornado formation up to an hour before it occurs. The system uses high-resolution simulations and gauges uncertainties, providing guidance on severe weather threats.
A £3.7 million project aims to provide unprecedented analysis of mesophotic coral reefs' vulnerability to climate change and identify ways to protect them. The study will use state-of-the-art technologies to collect comprehensive data on biodiversity, health, and environmental parameters.
Research from the University of Kansas finds that cuts in sulfur emissions from oceangoing vessels have led to a reduction in lightning stroke density along heavily trafficked shipping routes in the Bay of Bengal and South China Sea. The drop in sulfates from ships can cause fewer cloud condensation nuclei, resulting in weaker convecti...