Articles tagged with Extreme Weather Events
Climate researchers have discovered a significant increase in neighborhood-level hurricane warnings, widespread wildfires in the US, and unprecedented changes in Earth's energy budget. These findings suggest that greenhouse gases are driving these trends, with smoke and fire-related carbon emissions rising due to increased aridity.
A PSU study finds that historically underinvested neighborhoods with lower median incomes and higher racial diversity are most vulnerable to multiple climate hazards. These areas, including East Portland, face the highest risk from landslides, wildfires, flooding, and extreme heat.
Researchers used X-band phased-array radar data to improve tornado simulation capabilities, enhancing disaster risk reduction in vulnerable regions. The study found that assimilating radar wind data strengthened the storm's spinning motion, predicting the tornado's path most accurately.
Hankelformer improves forecasting of extreme weather events by capturing local spatiotemporal dynamics and enhancing feature invariance. It achieves state-of-the-art performance on multiple datasets, including energy, transportation, and extreme weather domains.
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.
Researchers developed a method to predict which hurricanes are likely to intensify rapidly, providing local officials with crucial time to make lifesaving preparations. The new technique uses statistical analysis of past storms and sea surface temperatures to calculate the probability of rapid intensification.
Researchers found that the Agulhas Current supplies heat and moisture that strengthen weather systems, causing severe floods in the Western Cape. In contrast, the Benguela Upwelling System has a minor role in intensifying rainfall.
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.
The study found that weather- and human-driven changes directly impacted the mixing of microbes in the Great Salt Lake, extending beyond the immediate vicinity. The analysis showed significant changes in microbial diversity between the north arm's hypersaline microbes and the less saline south arm.
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 new study reveals that summer concurrent hot and dry events in China intensify due to different physical driving mechanisms in western and east-central regions. Western China's trends are driven by anthropogenic warming, while east-central China's hazards stem from coupled monsoon decline, drought amplification, and heat feedback.
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.
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.
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.
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.
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 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.
Climate change is expected to make historically rare tropical storms in Southern California produce significantly more precipitation, increasing landslide risk. Exposure to landslide risk will grow fastest among low-income households.
Researchers found that atmospheric rivers have intensified in recent decades, leading to more frequent extreme rainfall events in Japan. This trend aligns with global warming and increased atmospheric water vapor content.
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 new study finds that hail conditions are changing due to global warming, with warmer regions experiencing a decrease in summer hail risk and cooler regions facing an increase in winter hail risk. The shift is attributed to changes in atmospheric conditions, including the melting of frozen hailstones and the formation of stronger 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.
A new study warns that the UK's failure to protect the most vulnerable people from extreme heat is becoming a public health threat. The research highlights gaps in building regulations, weak enforcement, and low public awareness as key factors contributing to the problem.
Research reveals that rivers are exceeding their resilience limits, leading to local extinctions, food chain collapses, and permanent changes in services provided by rivers. A paradigm shift is needed from reactive actions to proactive large-scale strategies for watershed management and river resilience.
The study reveals climate change is a growing social crisis, disrupting connections and community belonging, with impacts felt through heatwaves, air pollution, and economic strain. Vulnerable populations, such as those on low incomes or living with disability, are disproportionately affected by climate-related isolation.
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'.
Researchers found that adding organic matter can increase soil resistance to heat waves and preserve phosphorus reserves. Organic amendments like olive pomace proved effective in boosting soil resilience.
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 high-resolution model developed by University of Pennsylvania researchers shows that river levels once expected every 50 years now occur every few years due to climate change. The 1-in-100-year threshold marks a tipping point when flooding spreads rapidly across the urban landscape.
Researchers develop new concept to accurately model wind turbine loads, focusing on local gusts' impact on material fatigue. This enhances turbine design and efficiency by reducing uncertainties in load estimations.
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.
A new study reveals that tropical cyclones and post-tropical cyclones are responding differently to surface warming, resulting in increased rainfall intensity and longer-lasting storms. Warmer temperatures lead to wetter tropical cyclones, especially in warm, low-latitude regions.
Researchers project that 28% of the global population will face heightened exposure to hot-dry extremes by the 2090s, concentrated in low-income, tropical nations. Limiting emissions could avert a lot of risk, with about 18% of the population facing this level of exposure under current climate action plans.
Researchers at Institute of Industrial Science, The University of Tokyo and George Mason University developed a new method called Lagged Ensemble Analog Sub-selection (LEAS) to improve air temperature forecasts one to five weeks in advance. This approach selectively retains past ensemble members with high predictive skill, improving fo...
The study found that complex terrain, particularly orographic gravity wave drag, significantly affects the location and intensity of extreme precipitation. Without this effect, the low-level mesoscale vortex moves westward, leading to decreased rainfall intensity and a northwestward shift of the rainfall center.
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 ...
A recent study led by UMass-Amherst biologists found that the 2021 Great Texas Freeze killed up to 27% of purple martins' breeding population, with effects felt for decades. The study also revealed that the affected birds delayed reproduction and hatched fewer chicks, and their population is already declining in Texas and Louisiana.
Climate researchers developed a new method for computing hazards from extreme events, finding a tenfold increase in extreme heat over Europe. The study provides a basis for better quantifying damage to people, ecosystems, and infrastructure.
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 new report by Anglia Ruskin University and the University of York identifies key weaknesses in the UK's food system and recommends interventions to prevent disruptions from escalating into a crisis. The study suggests increasing energy security, diversifying food value chains, and promoting varied diets to reduce risks.
Researchers at Newcastle University and the UK Met Office identified a three-layered atmospheric structure associated with heavy rainfall developing within minutes. The findings help explain record-breaking rainfall and flash floods in the UAE and Oman in April 2024, and may aid future improvements in identifying risk.
A new study led by climatologists at the University at Albany found that extreme heatwaves in the Caribbean have increased significantly over the last five decades. The study reveals that heatwaves are lasting longer and occurring more often, especially in Cuba, Haiti, Puerto Rico, and the Dominican Republic.
A Brazilian study developed a new statistical analysis method that better predicts landslide risk. The approach uses the Gaussian distribution to define the weight of each contributing factor objectively. It was validated based on an inventory of landslides in São Paulo, where 65 people were killed.
The study maps where and how millions of animals may be affected by heat stress in Europe. Regional differences were found, with southern European countries such as Italy, Spain, Greece, and Romania likely to face significant impacts.
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.
Researchers have identified four synoptic patterns contributing to summer clustered extreme precipitation events in Northeast China, including eastward-moving low-altitude vortex and southwesterlies. The study provides a robust assessment of prerequisite conditions for these events and offers insights into short-term forecasting.
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.
A team of researchers used innovative approaches, including public data and machine learning models, to create more accurate predictions of coastal erosion and infrastructure damage. The project aims to improve storm preparedness and timeliness.
Researchers identified key building code features that impact hazard resilience, including prioritizing structural elements like lateral support. Smarter regulation and stronger structures can work together to create safer homes, but local expertise is crucial in places with independent-minded populations.
A new study links rising temperatures to reduced sleep quality and length in US adults, particularly those living on the West Coast. The research estimates that by 2099, people could lose up to 24 hours of sleep each year due to heat, highlighting the potential impact of climate change on sleep health.
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 Florida Atlantic University survey finds that 36% of Floridians have moved or are considering relocating due to weather hazards. The survey also reveals concerns about climate change, with only half of Floridians believing it is caused by human activity.
Researchers investigate how adjacent cities exacerbate each other's heat island effects. A study also highlights the need for improved hindcasting infrastructure in climate science. Additionally, a campaign monitors pinned clouds over industrial sources of heat and finds that trees are more reliable against heat stress than buildings.
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.
The study reveals that North America and Europe will experience significant warming (3.7-3.8°C) and drought expansion by the end of the 21st century due to land-air coupling, which amplifies the impact of GHG emissions. If uncontrolled, this could lead to severe climate risks, including reduced Gross Primary Productivity.
Scientists have created a micro-algal platform that allows for automated and fast testing of chloroplast genetic modifications, opening up plant chloroplasts to high-throughput applications. This platform enables researchers to fine-tune genetic circuits and identify which modifications have real potential.
A UAlbany researcher is leading a $1.2 million NSF project to integrate climate records from stalagmites, corals, lake sediments, and tree rings to understand past changes in monsoon rainfall patterns. The study aims to improve decadal predictions and risk management for societies vulnerable to climate change.
A Kyoto University study found that a 4 degree global temperature increase will intensify extreme precipitation and make it stronger by 7% per degree of warming. However, favorable conditions for extreme precipitation occur when atmospheric moisture is sufficient, not on the hottest days.