Articles tagged with Meteorology
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 ...
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.
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.
The OpenIFS model, a portable version of the global forecasting model used by ECMWF, is now available for all, making it easier to collaborate and generate new ideas. The change will support reproducible research and keep users current with the latest updates.
A research team analyzed 2.2 million thunderstorm events to identify a physical explanation for their formation. The study found that differences in soil moisture generate near-surface winds, leading to intense thunderstorms. High-resolution satellite measurements of soil moisture were crucial for this analysis.
Researchers found interactions between soil moisture patterns and wind in the lowest atmosphere influence where storms develop, providing clues to forecasters about location. The study aims to improve certainty about upcoming storms on hot days and save lives, livestock, and property.
The European Centre for Medium-Range Weather Forecasts (ECMWF) is launching its 2026 climate and weather data challenges to improve rapid decision-making during wildfires, explore flood forecast data from 10,000 stations globally, and detect implausible behavior in machine learning. The deadline for applications is April 9, 2026.
Researchers found a strong inverse correlation between Arctic sea ice extent and Indian summer monsoon rainfall on interannual timescales. Decreased Arctic sea ice variability during June to July leads to increased rainfall over western and northwestern India, indicating a westward shift in the monsoon season.
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.
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 new study evaluates the accuracy of ten satellite-based and reanalysis precipitation datasets using in-situ rain gauge measurements across Czechia from 2001 to 2021. The GSMaP dataset showed superior performance for rainy days, while ERA5-Land overestimated annual precipitation by 15–35%.
Residential wood burning accounts for over one-fifth of wintertime exposure to outdoor fine particulate matter, linked to increased risks of heart disease and premature death. By reducing indoor wood burning, Americans could decrease outdoor air pollution and save thousands of lives.
Amanda Staudt will lead the American Meteorological Society, advancing the atmospheric and related sciences for public safety, economic security, and environmental stewardship. With extensive experience in connecting science to society, Staudt aims to bring people together to amplify AMS's voices.
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...
Researchers studied unique clouds around Mount Fuji, classifying them into subtypes and determining occurrence frequencies. Tsurushi clouds were generated by mountain waves, while Hata clouds displayed different seasonal patterns, indicating a distinct cloud category.
The Nagoya University ISEE Award has recognized Professor Hiroyuki Yamada's pioneering work on high-altitude penetration flight observation techniques for typhoons. His research enabled scientists to observe the complete vertical structure of typhoons, providing unprecedented data on storm intensity.
The new ECMWF Director-General, Florian Pappenberger, emphasizes the importance of collaboration, innovation, and people-centric approaches. He plans to leverage high-performance computing, AI, and data assimilation to advance weather and climate prediction.
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.
Recent research reveals that volcanic eruptions can cause unpredictable weather patterns, including volcanic rain, dust storms, and unstable Antarctic air. The study also found that the Antarctic surface atmosphere has become less stable and more prone to gravity waves since the 1950s.
Research shows that intense storms in the Southern Ocean enable it to absorb more heat from the atmosphere. This helps regulate Earth's climate by reducing global warming. The study found that stronger storm activity generates lower surface temperatures across the ocean.
Scientists developed an objective index for monitoring and detecting shear lines over the Philippines, accounting for up to 20% of extreme rainfall days. The detection method is useful for weather forecasting, early warning systems, and understanding how this weather system evolves.
A study published in Science Advances found that unusually large particles of wildfire smoke had a significant cooling effect on the region they were observed in, increasing outgoing radiation by 30-36% compared to smaller smoke particles. This effect has not been included in current climate models.
The 106th Annual Meeting of the American Meteorological Society will focus on the intersection of technology and human decision-making in weather, water, and climate sciences. The meeting will feature keynote presentations, Presidential Sessions, and named symposia highlighting key Earth science topics.
A new study reveals that plant gas emissions are triggered by rapid changes in weather, not just dry conditions. The research shows that vegetation responds immediately to shifts in humidity and temperature, changing the rate of emissions of biogenic volatile organic compounds (BVOCs) into the air.
Researchers at ISTA and others have discovered a previously unknown cyclic climate pattern, known as TWISO, which influences weather fluctuations and seasonal changes. This finding has implications for predicting tropical storms and saving lives.
A new study has analyzed a rare flooding event in the Maldives in July 2022 and found it could become a far more common occurrence in the future. By 2050, predicted rises in sea levels, coupled with increased extreme weather events, may result in such flooding happening every two to three years.
Researchers identified AMO as key driver of compound hot drought events in Northern East Asia, with periods of weakening and strengthening linked to changes in climate. The study provides a new physical perspective for understanding variability in the region's hot droughts and offers insights for improving decadal climate prediction.
Research shows strong Midwest summer storms can puncture the stratosphere, bringing aerosols and burning biomass from western wildfires. This could affect the ozone layer's stability and warm the stratosphere.
Researchers analyzed power outage data and weather records to identify planning vulnerabilities and criticality as drivers of prolonged local outages. Targeted interventions, such as isolating critical nodes and improving operational flexibility, can reduce customer outages by up to 49.5%.
Johannes Lelieveld's research on air quality, emissions, and climate change has demonstrated the interconnectedness of these issues. His work provides new insights into human health risks and informs policy decisions to address pressing societal challenges.
Recent research from the American Meteorological Society reveals a false global heat record, suggests that severe weather events are increasing in frequency, and predicts an expansion of fire-prone areas. The study also examines the impact of cold wakes on tropical cyclone rainfall and finds that they intensify with global warming.
The University of Oklahoma will receive a $19.9 million award to develop the KaRVIR system, a groundbreaking dual-Doppler 3D mobile Ka-band imaging radar that will enhance atmospheric science research and provide critical insights into weather systems and wildfires.
The WMO report reveals that 2024 was marked by severe drought in the Amazon basin and Southern Africa, while Central Europe experienced excessive rainfall, leading to devastating floods. Glaciers globally lost 450 billion metric tons of ice, accelerating climate change impacts.
A new study by Purdue University researchers reveals that hurricanes grow in size faster when traveling over locally warm waters, which can help improve daily forecasting of hurricane size and impacts. This discovery has the potential to better model hurricane size in long-term risk models used by industry.
The UK's new weather-health alert system has been deemed successful in supporting vulnerable groups, but minor confusion remains around its color-coded warnings. Researchers identified areas for improvement, including clearer yellow alert scales and simplified alerts for rapid use on the ground.
Researchers found significant differences in oceanic conditions between pre- and post-monsoon tropical cyclones in the Bay of Bengal. The study highlights the importance of seasonality in cyclone intensity and the ocean's response, with potential applications for predicting cyclone impacts and developing early warning tools.
A new study predicts an increase in western US wildfires sparked by lightning strikes, with 98% of the region seeing more risk days by 2060. The western US is expected to see a significant rise in lightning days, with areas like Oregon and Idaho experiencing up to 12 more days per summer.
Researchers will study atmospheric conditions in pristine New Zealand region, exploring effects of air pollution on cloud formation. The goal is to improve weather and climate forecasts for the Southern Hemisphere.
Researchers from the University of Maryland tracked lightning storms in real-time using NASA's TEMPO instrument, detecting nitrogen oxide emissions that affect climate and air quality. The study reveals how lightning can produce pollutants that travel long distances, influencing air quality far from the original storm.
Research from the University of Utah and Virginia Tech reveals that seasonal shifts in rainfall and snowfall patterns are exacerbating glacier melting across the region. Glaciers in Central Himalaya, Western Himalaya, and Eastern Himalaya are especially vulnerable to accelerated ice loss and water availability threats.
A new Philippine study reveals that the country's hottest days are more likely to produce hail, contradicting its typical balmy climate. The research used satellite and radar data to confirm the presence of strong updrafts and favorable conditions for hailstorms during hot periods.
A new model incorporates rainfall and storm surge, leading causes of hurricane deaths. The proposed scale aims to improve evacuation decisions by providing a more accurate picture of the storm's severity.
A new large-scale open dataset of Asia's terrestrial ecosystems is now available, providing a long-awaited foundation for understanding the region's role in the global carbon cycle. The JapanFlux2024 dataset combines 683 site-years of eddy covariance data from 83 locations across Japan and neighboring regions.
The State of the Climate report reveals record-high greenhouse gas concentrations, with CO2 levels reaching 422.8 parts per million, a 52% increase from pre-industrial levels. Global temperatures also reached a new high, with annual growth increasing to 2.4 ppm yr−1.
Researchers used space-based instruments to measure a record-setting megaflash spanning 515 miles from Texas to Kansas City. Megaflashes are rare, occurring less than 1% of the time, and can be deadly, striking people up to 15 miles from their storm origin.
The ERIC system combines doorbell cameras and AI to analyze rainfall estimation and automatically adjusts irrigation schedules for more precise water use. Researchers estimate users can save up to $29/month in utility costs and 9,000 gallons of water per month with the innovative irrigation system.
A new framework developed by Northwestern University and UCLA scientists integrates various water-related processes with a machine-learning model to predict landslide threats. The framework identifies three main pathways leading to landslides: intense rainfall, rain on already saturated soils, and melting snow or ice.
A team of scientists has developed a high-resolution climate model that simulates global climate change at 9 km atmospheric and 4-25 km oceanic scales. The model demonstrates superior performance compared to lower-resolution models, providing detailed regional insights into future climate conditions.
A study predicts that Barcelona will experience extreme and dry heat periods with temperature increases of up to 4ºC and a general reduction in relative humidity. The research forecasts an increase in average maximum temperatures of 4ºC and average minimum temperatures of 3.5ºC if greenhouse gas emissions are not drastically reduced.
A new study published in Weather and Forecasting found that Hurricane Hunter flights can increase forecast accuracy by up to 24 percent. The researchers analyzed forecasts for all tropical cyclones in the Atlantic basin from 2018 to 2022, comparing forecasts with and without NOAA G-IV data.
Researchers have made significant breakthroughs in understanding the complex interactions between climate drivers and the Southern Hemisphere's Eddy-Driven Jet. By analyzing historical data and applying innovative statistical methods, they found that 50% of the observed shift in the jet stream is directly attributable to global warming.
Marine microorganisms produce sugar compounds that enter the atmosphere through sea spray, contributing to cloud and precipitation formation. These polysaccharides are found to be the most important ice nuclei in clean air over the oceans around Antarctica.
Researchers found that indirect effects of tropical cyclones contribute more than twice the direct effect to rainfall during the Habagat season, with 51.5% coming from the monsoon itself. This new understanding can improve extreme weather anticipation and disaster response.
Researchers found that sewage spills from land to sea coincided with winds of at least 6.5m/s on 178 days within a two-year period, potentially sending microplastics into the air. The study suggests that coastal towns and cities may be exposed to billions of airborne microplastic particles.
Dr Florian Pappenberger will lead ECMWF starting January 2026, building on AI and machine learning tools co-developed with Member States. He aims to strengthen partnership across all Member States and the European Meteorological Infrastructure.
The CNOP-DL method extends classical CNOP for deep learning methods, breaking deterministic causality and attributing forecast errors to all input slices. This new structure identifies critical time steps and locations where additional observations can significantly improve forecasts.