Researchers used AI models to produce 50 different forecasts of the storm that pushed back the Allies' invasion of Normandy in June 1944. The model incorrectly predicted calm conditions on D-Day, contrary to Captain James Stagg's analysis, which had warned of poor conditions and a higher risk of dangerous winds.
Researchers at the University of Tokyo have demonstrated that incorporating satellite measurements of water vapor isotopes into weather models improves forecasts of atmospheric conditions. This addition leads to more accurate weather forecasts, particularly for heavy rainfall predictions.
Cold and rain have the strongest short-term effects on bus use, while free fares and shelters can change the equation. Researchers analyzed hourly bus ridership across the Denver metropolitan area, finding that cold weather discourages bus use, but not as much for wildfire smoke or ozone warnings.
A team of northern New England universities has been awarded $5.9 million to advance snow research and explore connections between winter weather and the outdoor recreation economy in Vermont, New Hampshire, and Maine. The project will unify snow monitoring equipment and weather station networks to improve computer model simulations an...
Research shows that pressure measurements from smartphones can enhance hailstorm forecasts, outperforming traditional weather stations in some cases. The study aims to integrate smartphone data into forecast models for better early warnings and local-scale hazard capture.
Arctic cyclone clusters significantly impact sea ice cover, causing it to break up and reducing its extent. The storms also drive ice floes northwards, leading to a thinner and less resilient ice sheet.
A new Yale-led study reveals that extreme weather events are limiting where bird species can exist and affecting biodiversity estimates for over 500 North American bird species. The research found that accounting for variable and extreme weather conditions is crucial for understanding the distribution of biodiversity and its change.
A new study establishes a fundamental limit of weather prediction at 129 days under ideal conditions, where errors smaller than today's forecasts may behave. This finding offers forecasters a new perspective and a tangible target for future advancements.
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.
A new UK-built instrument, MAGIC, will measure the Sun's magnetic field much farther upstream than current real-time space weather monitors. This mission aims to extend advance warning of severe solar storms from tens of minutes to several hours.
Scientists predict Solar Cycle 26's strength by analyzing sunspots at a newly-identified 'switch-off' point. This method gives a longer lead time than current methods, allowing for potential improvements in understanding the solar dynamo and predicting space weather.
Researchers suggest that extreme space weather may have far worse effects on Earth's technology than previously thought. The study, published in Nature, found a direct relationship between solar wind strength and electric currents in the upper atmosphere, indicating no upper limit to Earth's response.
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.
A 15-year study found that extreme weather events, particularly sudden spring frosts and wildfires, have a significant impact on White Stork survival. Juvenile storks are most vulnerable to these conditions, with only 33% of fire-related incidents resulting in rehabilitation.
The American Meteorological Society (AMS) has released a statement expressing concerns about the proposed OMB rule on federal grantmaking changes. The rule could reduce public access to weather information, slow commercialization of advances in weather science, and limit scientific collaboration.
Scientists found clear and systematic drifts in global models' forecasts of Rossby wave breaking, which can weaken high-impact weather patterns. The jet stream's wind shear is a key factor in these errors, and biases in jet structure can echo through the forecast chain.
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.
Researchers propose 'nudges' could alter hurricane tracks, weaken freezes and reduce extreme rainfall through carefully-timed cloud seeding operations. The approach aims to complement conventional disaster management and encourage more favorable outcomes from potentially devastating weather events.
The ECMWF's global forecasting system now incorporates new cloud radar data from the ESA-JAXA EarthCARE space mission, enhancing weather forecasting accuracy. This move is expected to improve predictions for extreme weather events like typhoons and heavy rainfall.
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.
Researchers have digitized nearly two million weather observations from Canada's colonial history, offering new insights into the country's changing climate. The dataset includes temperature, precipitation, wind, and detailed descriptions of extreme events, revealing a highly variable climate near the end of the Little Ice Age.
The European Centre for Medium-Range Weather Forecasts (ECMWF) has appointed two Deputy Director-Generals to strengthen its leadership in delivering world-leading science and operational weather services. Dr Jørn Kristiansen will lead the Forecast Department, while Dr Irina Sandu will lead the Research Department.
Researchers at Arizona State University have developed an online tool called Cool Routes that uses real-time weather forecasts and shade data to find the coolest paths for walkers. The tool has been shown to reduce heat exposure by up to 4.5 degrees, making hot-weather walking less of an ordeal.
Researchers found that climate variability in the North Atlantic-European region and tropical Indo-Pacific regions interact to intensify Japanese winters. This interaction amplifies jet stream disturbances, resulting in colder and more severe conditions.
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.
A Boston University researcher has designed a space-based system called StormWall to better protect against space weather. The system would fire chemical elements into the edge of Earth's magnetic field, temporarily fortifying defenses and deflecting potentially damaging storms.
A new AI-powered translation program developed by the National Weather Service (NWS) translates weather forecasts into multiple languages, including Spanish, Chinese, Vietnamese, Samoan, and French. The program aims to provide life-saving information to over 68 million US residents who do not speak English at home.
Professor Hannah Cloke's appointment as Regius Professor of Meteorology and Climate highlights the importance of human imagination in understanding and mitigating extreme weather. Her research has already helped communities prepare for floods and extreme weather, and she aims to empower people to take charge of their own futures.
Researchers at FSU have discovered a way to forecast winter weather patterns up to six months in advance by analyzing the stratospheric polar vortex. This new approach uses climate patterns like El Niño-Southern Oscillation to predict the vortex's behavior, allowing for more accurate forecasts of extreme weather events.
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 new AI model, ESFM, has been developed to predict extreme weather events with high accuracy. It learns from complex interactions between atmosphere, land, and water, and integrates multi-source data to analyze trends and relationships within the Earth's weather system.
A new study by Lund University researchers identifies knowledge gaps and proposes tools to analyze the risks of extreme weather on birds. Birds are vulnerable due to their diurnal nature and lack of burrowing capabilities, making them more susceptible to heatwaves.
Researchers developed a new framework to analyze historical weather data and found a significant reduction in solar radiation in central Japan during the summer of 1836, leading to higher rice prices. The study provides a more detailed understanding of how climate fluctuations impacted society.
Assistant Professor Gianmarco Mengaldo has been appointed to the Joint Advisory Group on Artificial Intelligence at the World Meteorological Organization. He will guide how AI is integrated into global meteorological and hydrological systems, improving forecasting capabilities and early warning systems.
Researchers use Swarm satellites and ground-based observations to distinguish between space weather effects and natural hazard signatures. This project aims to improve infrastructure protection, early warning systems, and space weather predictions.
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.
Researchers at KAUST have developed a resilient renewable energy system capable of meeting electricity demand during extreme weather conditions in hot desert regions. The system combines concentrated solar power, photovoltaic panels, wind turbines with battery and thermal storage, reducing CO2 emissions by 330,000 tonnes annually.
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.
Researchers found that more accurate weather forecasts can significantly reduce heat-related deaths. The study suggests that technological advancements in forecasting can offset projected increases in heat-related fatalities due to climate change. In fact, the economic value of saving lives through improved forecasting is substantial a...
The book chronicles two centuries of weather stories and observations, including Britain's longest continuous daily weather records. It highlights the diversity of British weather, from scorching summers to devastating floods, and shares insights into climate change.
A study from Michigan State University reveals that extreme weather can actually strengthen certain ecosystems, leading to increased productivity and resilience. The researchers found that phytoplankton species, which are crucial for removing carbon dioxide from the air, thrive when temperature fluctuations increase.
MicroEnsemble wins AI Weather Quest, demonstrating improved sub-seasonal weather forecasting accuracy. The team uses AI technologies to post-process state-of-the-art forecasts, achieving consistent performance across various weather variables.
The American Meteorological Society strongly opposes the dismantling of NCAR, highlighting its central role in atmospheric sciences and its impact on the nation's economy. The AMS recommends that NSF engage in a rigorous process to develop a strategy for enhancing scientific innovation in the weather enterprise.
New research published in Weather assesses the energy consumption of AI models and finds that they consume considerable energy during training, but offset this by rapid forecasting ability. AI data-driven models are estimated to consume at least 21 times less energy than traditional models over one-year usage.
New study evaluates two prominent AI global weather models, finding they excel at forecasting storm tracks but struggle to reproduce realistic wind patterns and storm intensity. The researchers emphasize the need for bias corrections and interpretation to improve AI forecasting accuracy.
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.
A new Singapore-based project reanalyzes 35 years of weather records for Southeast Asia, aiming to improve weather forecasting and regional climate resilience. The project will train artificial intelligence to make more precise predictions, benefiting governments, aviation, and maritime sectors.
A recent study found that climate attitudes did not change in response to Hurricane Helene, suggesting that public perception of climate change is stable. The researchers also discovered that political affiliation was a stronger predictor of voting intentions than exposure to the hurricane.
Salesky's research team will address uncertainty in how turbulent processes contribute to cloud formation by using simulations to replicate turbulence and test environmental conditions. The study aims to improve civilian and military weather forecasting models, with significant implications for precipitation and severe weather.
The European Commission and ECMWF have signed an agreement for the third implementation phase of DestinE, a digital twin project aiming to improve AI climate and weather predictions. The project will start in June 2026 and focus on operating and interlinking digital twins, as well as developing AI capabilities further.
The American Heart Association warns of cold weather's impact on cardiovascular disease. To stay heart-healthy in winter storms, know the dangers and take necessary precautions.
A new measurement campaign, NAWDIC, aims to explore the dynamics of weather systems over the North Atlantic Ocean and improve climate models. The campaign uses advanced remote sensing instruments to document moisture transport rates and interactions between the atmosphere and ocean.
Scientists used multiple space-based instruments to track the evolution of a solar eruption, observing how it reduced background cosmic-ray activity. This approach has potential for improving space-weather forecasting and protecting satellites, astronauts, and power grids.
Astronomers have created a naturally occurring space weather station around complex periodic variable M dwarf stars to study the environment of planets. This discovery sheds new light on how stars affect their planets' makeup and might provide clues about the habitability of distant worlds.
The American Meteorological Society (AMS) urges the US government to maintain and strengthen NSF NCAR, a critical resource for weather forecasting and climate science. This would lead to further forecast improvements that benefit the nation's safety and economy.
Researchers estimated that around 100 trillion insects fly above the US every day using weather radar data. Insect populations remained relatively stable over the past decade, but regional fluctuations were observed, with warmer temperatures leading to declines in insect density.
Researchers estimate 100 trillion insects fly in US skies daily, with stability over past decade but regional fluctuations. Winter temperatures significantly impact insect populations, which may hide species sensitive to environmental change.