Researchers Raphaël Huser and Jennifer Wadsworth developed an integrated statistical approach to modeling weather extremes, eliminating the need for guessing dependence strength. The new model can handle different spatial dependence scenarios, from strong correlations to complete independence.
Recent heavy rainfall and melting snow have caused widespread flooding across the central and southern US, from the Gulf Coast to the Great Lakes. NASA's rainfall analysis found above-normal precipitation in parts of the upper Midwest, exacerbating the flood threat.
Research from the University of Missouri suggests that even as temperatures rise due to climate change, the jet stream's variability remains the same, allowing for similar forecast ranges in mid-century as today.
Researchers at Colorado State University have developed an empirical model that accurately predicts atmospheric river activity in the western US three weeks in advance. This breakthrough could enhance long-term weather forecasting capabilities, allowing for earlier warnings of extreme precipitation, floods, and droughts.
New research from the University of Lincoln found that jet stream changes are significantly associated with UK regional rainfall and temperatures. The study suggests that using predictions of jet stream changes can produce more accurate seasonal weather forecasts on a smaller, regional scale.
The NASA GOLD Mission observes the dynamic intermingling of space and Earth's uppermost atmosphere, seeking to understand what drives change in this critical region. The mission provides fast observations to monitor hour-by-hour changes in space weather and improves forecasting models for satellites, astronauts, and life on Earth.
Researchers found that increased fluctuations in the jet stream's path since the 1960s coincide with more extreme weather events, including heat waves, droughts, wildfires, and flooding. The study used tree ring data to reconstruct historical changes in the North Atlantic jet stream prior to the 20th century.
A Rutgers University-Camden study found that urban insects are more resilient in extreme weather due to adaptations to high-stress urban environments. Arthropod diversity declined after Hurricane Sandy in New York City parks, becoming indistinguishable from street medians.
A new study by Dartmouth College researchers reveals that at least 1% of U.S. voting-age adults change their partisan preference from Democrat to Republican on rainy election days, attributing this shift to a psychological behavior where voters are more averse to risk during poor weather conditions.
Researchers found a correlation between Arctic warming and extreme UK weather events, particularly winter storms and summer rainfall. The study suggests that changes in the North Atlantic jet stream and Greenland high-pressure blocking may be driving these trends.
Satellite imaging from NOAA's GOES-16 satellite reveals holiday travelers facing wet and snowy weather on both coasts. A large area of clouds associated with a frontal system is forecast to bring rain and snow across the US, with heavy rainfall and flooding predicted in the lower Mississippi and Tennessee Valleys.
A new study suggests that climate change will increase asylum-seeking into the European Union, with a potential 28% increase by 2100 under a slow-warming scenario. The researchers found a link between weather fluctuations and migration, with countries experiencing temperature increases having more asylum seekers, while cooler countries...
High-resolution climate simulations suggest that extreme thunderstorms will increase in frequency under a warmer climate scenario. This shift is caused by changes in thermodynamic conditions of the atmosphere.
A recent study by World Weather Attribution found that climate change increased the likelihood of extreme rainfall events like Hurricane Harvey. The research suggests that storms like Harvey are now three times more likely in today's climate.
Researchers analyzed millions of doctor visits to find no correlation between rainfall and painful joints or sore backs. Despite the lack of evidence, many people still believe that certain symptoms are forecasted by weather conditions.
Researchers are using a new 3D mapping technique to assess the risk of space weather events on the US power grid. The method uses data from EarthScope to create detailed maps of ground conductivity, which can help identify vulnerable sections of transmission lines and inform real-time power-flow management.
The Arctic's rapid warming and sea ice loss have significant impacts on Eurasian weather and climate, particularly in winter. The study finds that sea areas and western coasts of continents are relatively less affected, while continental regions, especially over Eurasia, experience the strongest influence.
Research highlights the need to understand long-term health effects of extreme weather, including chronic psychological impacts and vulnerability in local infrastructure. Coordinated programs are essential for recovery and rebuilding, with healthcare facilities needing to ensure they can withstand disruptions.
A severe weather event on Nov. 5 was analyzed by NASA's Global Precipitation Measurement mission, revealing the location of strongest storms and predicting heavy rain. At least nine tornadoes were reported in Illinois, Indiana, and Ohio, causing widespread power outages and injuries.
Researchers will use synoptic climatological frameworks to assess predictability of anomalous coastal sea levels. They will also develop extreme event climate change indicators related to human thermal comfort. The aim is to help meteorologists better understand weather patterns for more accurate forecasting.
A study found that cold temperatures and atmospheric pressure increases are associated with a higher risk of hospitalization and death in elderly patients with heart failure. The researchers suggest that elderly patients should avoid fog and low cloud weather in winter to prevent such events.
A recent study found that extreme weather events do not significantly increase support for climate policies, even among those who experienced severe weather. The study suggests that other factors, such as political beliefs and party affiliation, play a much larger role in shaping attitudes towards climate change.
The UK will build a cutting-edge space weather radar in the Arctic, providing unprecedented detail to understand space weather's effects on technology and society. The EISCAT_3D radar will measure the upper atmosphere and near-Earth space, helping scientists better comprehend the connections between Earth's magnetic field and atmosphere.
New research finds that temperature rises and increasing physical activity levels, not weather conditions, drive online searches for knee and hip pain. Temperatures peaked at 73 and 83 degrees Fahrenheit respectively.
A study projects that two-thirds of Europeans will be affected by extreme weather events annually by the end of the century. Heat waves are expected to cause 99% of all future weather-related deaths, increasing from 2700 deaths/year in 1981-2010 to 151500 deaths/year in 2071-2100.
During the total solar eclipse on August 21, UMass Lowell faculty and students will conduct research on space weather using high-tech instruments. The goal is to better predict the weather and enhance GPS, satellite, and shortwave-radio communications.
Texas A&M University researchers have developed a predictive model that can identify potential vulnerabilities in electric grids and predict weather hazards. The model uses historical and close-to-real-time data to analyze the impact of these factors on power system outages, enabling utility companies to take proactive measures.
A new study in Marketing Science found that consumer responses to mobile promotions are higher and faster in sunny weather than cloudy weather. The study suggests that firms can use local weather information to improve the effectiveness of their mobile ads, with better-than-yesterday or forecasted sunshine boosting purchase responses.
A new study reveals that Europe's wind energy capacity is concentrated in the North Sea region, leading to extreme fluctuations. Cooperating countries can balance capacity across the continent to minimize these fluctuations. However, expanding solar energy capacity tenfold would be required to compensate for longer-term fluctuations.
A new web application provides historical climate data to farmers, allowing them to compare current year's conditions with past ten years. The app covers the Texas region and offers information on soil temperature, growing degree days, and precipitation.
Researchers from Penn State's IST have developed a method to identify bow echoes in radar images, a phenomenon associated with fierce winds. The algorithm can automatically detect bow echoes as they begin to form, providing instant notifications for severe weather alerts.
Researchers tracked lesser kestrels with GPS and accelerometers, finding that birds adjust flight and hunting strategies in response to solar radiation, wind speed, and air temperature. Energy expenditure per foraging trip remained constant, suggesting kestrels have a fixed energy budget.
Scientists at the University of York found that the 1976 drought was the most devastating event for butterflies and moths in 50 years. The study measured data against extreme weather events since 1968, revealing a significant impact on over 50 species. Researchers warn that global warming may exacerbate such events in the future.
A new study reveals that vegetation can alter climate and weather patterns by up to 30 percent. The researchers found substantial feedback loops in semi-arid regions, where vegetation growth enhances heat transfer and increases cloudiness, affecting surface radiation.
A new study finds that countries most affected by weather-related disasters do not necessarily spend more on commercial weather and climate information services. Developing countries actually commit a higher percentage of their GDP to these services, recognizing their value in mitigating risks.
Researchers from the University of Utah and USGS analyzed 93 years of weather data to find that atmospheric circulation patterns account for 25-48% of variation in frost timing, while global warming contributes 3-5 days to the lengthening of the frost-free season.
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 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.
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.
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.