A new study examines the effects of high-altitude nuclear explosion tests on Earth's magnetic environment, revealing similarities with natural radiation belts and auroras. The research sheds light on the impact of space weather on satellites and astronauts.
A new study found that northern and northeastern China's surface temperature has increased, while wind speed decreased from 1961 to 2014. This trend indicates a stable, warm, and windless state of the surface weather conditions over NNEC.
Researchers at UTHealth School of Public Health found that cold temperatures significantly increase mortality risk in Texas, with a 5% increase in deaths per degree Celsius drop in winter. The study focused on 12 metropolitan areas and found that people with pre-existing heart and respiratory diseases are most vulnerable to cold weather.
A new study outlines a four-step framework for testing whether global warming contributed to record-setting weather events. The research found that human-caused climate change increased the odds of hottest events across over 80% of the globe, while also posing risks for vulnerable communities and ecosystems.
Scientists assessed the state of space weather research, including geomagnetically induced currents (GICs) that can disrupt power systems, railroads, and pipelines. GICs can cause temporary blackouts and mis-operation of railway signaling systems.
Researchers discovered Rossby waves on the sun, similar to jet streams on Earth, which may allow for long-term space weather forecasting. The waves drive solar flares and coronal mass ejections, enabling predictions of flare occurrences.
Researchers found a connection between climate change and extreme weather events, such as heat waves, droughts, and floods, due to the impact of warming Arctic temperatures on the jet stream. The study used historical atmospheric observations and confirmed that this temperature pattern corresponds with persistent extreme weather events.
A new EU report highlights knowledge gaps in reducing risks linked to space weather and recommends policy, industry, and science collaborations to close these gaps. The report also emphasizes the need for early warning systems and better communication between science and industry.
A new study projects a 50% increase in conducive weather conditions similar to those in January 2013, leading to more frequent severe haze events in Beijing. The researchers developed an effective Haze Weather Index (HWI) to represent such conditions, which are influenced by large-scale circulation changes and climate change.
Researchers from Yale University and the Centre for Mathematical Sciences created a mathematical framework to explain phenomena where climate processes interact with daily weather. This new framework helps understand how seasonal variability affects predictability and public safety.
Researchers tracked social media posts with specific tags before extreme weather events to identify areas at risk. This early warning system has the potential to improve prediction and monitoring of floods and other natural hazards, saving lives and protecting homes.
Researchers used enhanced Arctic weather data to predict 2015's extreme cold waves, improving forecast accuracy by 10-30%. The additional data helped assess initial atmospheric conditions and dynamics of the polar vortex, enabling more precise forecasts.
The Geostationary Lightning Mapper (GLM) instrument on NOAA's GOES-16 satellite is transmitting data for the first time, giving forecasters richer information about lightning and improving severe weather alerts. The mapper detects in-cloud lightning, which can occur up to 10 minutes before potentially deadly cloud-to-ground strikes.
Scientists from NASA and NCAR have shown that tracking coronal mass ejections can help detect solar energetic particles earlier than current forecasting techniques. This could provide critical warning time for astronauts in low-Earth orbit or interplanetary space.
New research suggests that Arctic sea-ice loss intensifies the negative phase of the North Atlantic Oscillation (NAO) leading to more cold easterly winds. However, these winds are also warmer than they used to be due to widespread warming effects of Arctic sea-ice loss, resulting in little change in European winter temperatures.
Researchers analyzed data from China's largest meteorological database and found a 50% decrease in hail storms, thunderstorms, and high wind events on average. The strength of the East Asian Summer Monsoon also decreased strongly correlated with severe weather.
Researchers now have unprecedented access to space-weather data from 23 GPS satellites, measuring charged particles and their impact on satellite operation. This data helps answer key questions about space weather events, enabling improved forecasting models.
Researchers S. George Philander and Mark A. Cane developed a key insight that the Pacific Ocean's weather balance swings seesaw-like between extremes, leading to practical forecasts of El Niño events. Their work enabled institutions worldwide to monitor warning signs for crop planting, disease control, and floods or droughts.
A new study projects a 10-13% decrease in global mild days by the end of the century due to climate warming. Tropical regions are expected to lose up to 50 fewer days of mild weather, while mid-latitudes will gain more mild days.
Research using 20,000 virus samples and weather statistics found that cold weeks precede flu outbreaks. Cold and dry weather allows aerosol particles to remain airborne, increasing the spread of viruses.
Research reveals weather plays no part in the symptoms associated with back pain and osteoarthritis, contrary to long-held beliefs. Higher temperatures slightly increase lower back pain risk but not clinically important.
A series of moisture-laden storms has affected the western US, including California and the Pacific Northwest, causing extreme rain events and blanketeting the region in snow. The National Weather Service is forecasting heavy snows and periods of rain with potential flooding or flash flooding along the West Coast.
A new collaboration between UMD and NOAA has developed reference datasets that can be used to calibrate weather satellites. This improvement enables more accurate weather forecasting and monitoring of climate change.
Researchers found no direct association between hot weather and increased Salmonella prevalence at free range egg production farms. The study emphasizes the critical role of hand hygiene in reducing food poisoning from eggs.
A new study suggests that local weather conditions can influence people's beliefs about global warming. In places with more record-breaking cold temperatures, residents are more likely to doubt the planet is warming. The research highlights the importance of differentiating between weather and climate.
Researchers have discovered powerful changing winds on a gas giant planet, HAT-P-7b, which is 16 times larger than Earth and orbits a star 50% more massive and twice as large as the Sun. The planet's atmosphere is affected by strong winds moving across the planet, leading to catastrophic storms.
Researchers have found a strong association between El Niáo-Southern Oscillation conditions and observed weather in Sri Lanka, leading to exacerbated dengue epidemics. The study used the Oceanic Niño Index to quantify data associations and found an increasing relative risk of dengue with increasing rainfall and temperatures.
CIMMS and NOAA announce a five-year, $95.3 million collaboration to support Weather Ready Nation and Climate Adaptation and Mitigation initiatives. The university will provide expertise in long-term planning, stormscale meteorological phenomena research, and forecast improvements.
Researchers are uncovering long-lost weather diaries and ship logbooks to improve future climate projections and validate palaeoclimate records. These new datasets contribute to global models of the atmosphere, shedding light on Australia's climatic past.
The GOES-R satellite will provide unprecedented information about the Earth's weather, including true-color pictures and high-definition imagery. This will enable forecasters to make more accurate predictions of severe storms, squall lines, and tropical cyclones.
University of Washington researchers have developed a method to transform lightning strikes into weather-relevant information, improving storm forecasts. The new method uses data from the WorldWide Lightning Location Network and has been tested on several cases, including a 2012 derecho thunderstorm system and a 2013 tornado.
The €8 million APPLICATE project aims to enhance weather and climate prediction capabilities in the Arctic and beyond. By studying the Arctic's impact on mid-latitude weather and climate, researchers can improve forecast accuracy and mitigate severe weather events.
D.J. Seo and his team aim to enhance National Weather Service rainfall maps for heavy-to-extreme events, benefiting emergency managers, water managers, and the public.
A new study found that climate change may be amplifying the effects of wavy jet stream patterns, contributing to severe cold winters. The research improves long-term forecasting of winter weather in populous regions, benefiting communities and economies.
A new study has found that features in animal teeth can detect unfavourable weather conditions, such as long dry periods or heavy rains. This method, known as reverse engineering, allows researchers to infer annual rainfall and average temperatures from fossil records, providing valuable information about past environmental conditions.
A University of Exeter study found no evidence that climate change is linked to a fungal disease affecting coffee crops. Researchers tested the hypothesis that climate change increased the probability of favorable weather conditions for CLR, but rejected the hypothesis due to other factors contributing to the disease outbreak.
The Observation, Prediction and Analysis of Severe Convection of China (OPACC) project aims to improve the prediction skills of convective storms. Researchers have published 224 papers on convective weather in peer-reviewed journals since 2013.
A mass participation study involving over 9000 UK participants found a correlation between sunny days, rainfall, and pain levels. The study suggests that understanding how weather influences pain could lead to new treatments.
Researchers from the University of Sheffield and The Met Office have identified factors influencing the Atlantic jet stream, potentially leading to more accurate seasonal forecasting. Up to 35% variability in the jet stream's shift may be predictable, offering a significant advance in climate prediction.
Scientists warn that global warming signals are masked by random weather variations, but expect increased snowfall in Antarctica due to higher moisture levels. The study concludes that the human influence on Antarctic surface mass balance will become detectable within the next few decades.
Researchers used the K computer and advanced radar data to accurately predict torrential rains in localized areas. They achieved this by synchronizing data between large-scale simulations and observational data through 'big data assimilation', resulting in high-resolution maps of rain every 30 seconds.
A study by University of East Anglia researchers found that northern wren populations are more resilient to harsh winter weather due to local adaptation. The team discovered a correlation between regional climate and population resilience, with larger body mass observed in colder regions.
Researchers require improved techniques to grasp climate change causes and its impact on communities, according to Professor Peter Stott. Better information will help policymakers safeguard people from extreme weather events.
Researchers created a detailed, high-resolution simulation of weather patterns in the Western US using data from tens of thousands of personal computers. The analysis showed impacts of terrain on local weather and improved accuracy for regional climate predictions.
The first wave of low-cost weather stations have been installed in Zambia, providing critically needed information for farmers and residents. The stations, built with 3D-printed parts, transmit temperature, rainfall, wind, and other weather parameters.
Scientists have made significant breakthroughs in predicting weather and climate change by studying the fundamental thermodynamics of water droplets. Understanding how water droplets grow and interact with each other can help improve weather forecasts, but also has industrial relevance and applications.
The Maryland Climate and Health Profile report highlights the state's vulnerability to climate change, with extreme weather events increasing the risk of foodborne illnesses, heart attacks, and severe asthma attacks. The report projects higher rates of these health issues in future decades, particularly among coastal communities.
A recent study found an increase in atmospheric high pressure systems over Greenland since the 1980s, leading to extreme weather patterns and warmer air. This is caused by strong Arctic warming and changes in the atmospheric jet stream.
Physicists at UTA are developing a global simulation model combining knowledge and experience from seven leading research universities to predict space weather effects with higher accuracy and detail. The project aims to reduce errors in GPS and communication systems by up to 30%.
Researchers from NYU and Duke University found that 80% of Americans live in counties with more favorable weather conditions since the 1970s. However, future climate change projections suggest that nearly 90% of the US public will experience less pleasant weather by the end of the century due to rising temperatures.
UK wine producers face challenges due to climate variability and extreme weather events, which can impact productivity year-to-year. The study found that June rainfall is the most powerful weather indicator in explaining yield variability.
Researchers investigated wind patterns and affecting weather systems around the shipwreck location. The study revealed strong winds of at least 31 m s-1, and a bow echo embedded in a squall line contributed to the disaster.
A new simulation code was developed to accurately predict coronal mass ejections (CMEs) and their impact on space weather. The model successfully validated using observational data from the 2003 Halloween CME events, enabling accurate predictions of magnetic fields and arrival times.
A University of Washington study found that small-scale disturbances, like those from butterfly wings, do not significantly impact weather forecasts. However, even minor errors in large-scale observations can throw off a forecast, emphasizing the importance of precise measurements.
Scientists from NASA's Goddard Space Flight Center are developing a model called Solar Shield to simulate how space weather affects the US power grid. By analyzing coronal mass ejections and solar wind streams, researchers can predict when and where geomagnetic storms will occur, allowing for proactive measures to protect the grid.
A study found that weather patterns typically bringing moisture to the southwestern US are becoming less frequent, leading to a drier climate. The region is already vulnerable to drought, and this shift has significant implications for water resources.
The NASA GPM satellite examined violent thunderstorms in the southern US on February 2-3, with one powerful storm in North Carolina dropping rain at an extreme rate of 112.96 mm (4.4 inches) per hour. The satellite's radar instruments measured precipitation within the area and created a 3D cross-section through the storms.
Researchers found that typical rain-bringing weather patterns in the Southwest are becoming more rare, leading to a drier climate state. The region is vulnerable to droughts due to its already arid conditions and growing population.
University of Washington scientists developed a mathematical model to explain the Madden-Julian Oscillation, a massive cluster of thunderstorms that affects global weather. The model predicts storm movement and formation, helping improve tropical rainstorm forecasts and medium-range global forecasts.
A historic blizzard is forecast for Washington, D.C., while states from Texas to Florida experience severe weather due to a developing winter storm. Severe weather, including hail and at least one reported tornado, has been observed along the Gulf Coast.