A Rutgers-led study predicts increased frequency of dry spells in the US and Mexico, and heavy rainfall events in south Asia and China. Subtropical stationary waves play a key role in explaining these extremes, which are expected to worsen with climate change.
Researchers at Penn State have developed a new weather model that incorporates data from next-generation satellites to improve tornado forecasting. The model was able to forecast supercell thunderstorms with high accuracy and suggests that lead times for tornado warnings can be extended beyond 30 minutes.
A study found that experiencing extreme weather does not necessarily convince climate change sceptics of human impact. Instead, partisan news reporting and personal views play a significant role in shaping perceptions. The research suggests that media coverage can have a greater effect on people's beliefs than actual weather events.
A Rutgers-led study suggests that rapid Arctic warming is causing persistent dry and wet spells, leading to extreme weather events like droughts, heat waves, and storms. The frequency of these long-duration weather conditions has increased over recent decades.
Adding Arctic weather observations can help predict tropical cyclones' tracks and intensity more accurately, reducing extreme weather event risks. The study used radiosonde data from the Arctic to forecast three tropical cyclones, showing improved predictability with additional observations.
The USDA Forest Service introduces the Hot-Dry-Windy Index (HDW) to predict wildland fire danger, leveraging temperature, moisture, and wind variables. Researchers tested HDW against existing indexes and found promising results, with potential applications worldwide.
Researchers at Tel Aviv University have developed a system to harness data from smartphones to forecast weather patterns, particularly those that lead to flash floods. The smartphone sensors can monitor various atmospheric conditions, such as temperature, humidity, and light levels, providing valuable data for accurate forecasts.
A review of research on summer weather stalling highlights the impact of Arctic warming on air circulation patterns, leading to more frequent extreme weather events. The study suggests that prolonged sunny episodes can turn into heat waves and heavy rainfall, posing a major climate risk.
Scientists have discovered a repeatable pattern in how space weather activity changes with the solar cycle, enabling better understanding and planning for space weather. The breakthrough allows for more accurate forecasting of potential threats to Earth from solar flares and extreme space weather.
Researchers developed a more comprehensive method for measuring the Earth's boundary layer depth using radar, which constantly ebbs and flows. This improvement in accuracy can lead to better forecasts for severe weather events, air pollution, and wildfire forecasting.
The Carr fire has consumed 110,154 acres, destroying 161 residences and 12 outbuildings. Weather conditions and terrain make firefighting efforts challenging, with over 2,500 structures still at risk.
Researchers at Virginia Tech used ecological forecasting to predict future growth rates of loblolly pine trees, showing a potential 30% increase in productivity by the middle of the century. The study focused on planted loblolly pine plantations in the Southeastern United States and highlighted uncertainties depending on specific regions.
Researchers from CIRES and NOAA are utilizing drones and tethered balloons to collect weather data in the Arctic, filling critical gaps in atmospheric measurements. These unmanned technologies provide a comprehensive understanding of the region's lower atmosphere, enabling more accurate weather and climate forecasts.
Historical data analysis reveals significant differences in source region contributions to haze under unfavorable weather systems. Policymakers can develop more efficient control plans by incorporating weather system analysis when haze events occur.
The ACRE China project recovers instrumental weather observations for the East Asian region, enhancing global weather and climate knowledge. The collaboration enables the creation of a spatially and temporally-complete data base of historical weather patterns and fluctuations.
Japanese researcher develops simple method for generating large data required for ensemble modeling, providing high computational stability and versatility in simulating various weather events. The new approach demonstrates effectiveness in initial conditions for typhoon and global warming simulations.
Research from Dartmouth College shows that cooler weather can increase the lethality of southern pine beetles' attacks on trees. The study demonstrates how climate change creates a destructive one-two punch for forests, with warmer temperatures leading to synchronized emergence of adult beetles and increased population density.
A new study from University of Chicago researchers finds that 'traffic jams' in the jet stream can cause abnormal weather patterns, such as blocking events. The research develops a mechanistic model to predict long-term weather patterns, including droughts and floods, by comparing the jet stream to highway traffic.
Researchers found that the Unified Model's microphysics scheme produces unrealistic raindrop size distributions, affecting storm structures. The study emphasizes the importance of selecting the right microphysics scheme for accurate weather prediction.
Scientists successfully simulated FY-2D infrared cloud images using a high-resolution WRF regional numerical weather prediction model product and forward radiation transfer model RTTOV. The results show improved accuracy, with correlation coefficients greater than 0.5 in the first 24 hours.
Researchers analyzed billions of Twitter and Facebook posts to find that people express happier sentiments when the weather is warm and sunny. The study found a significant correlation between good weather and increased positivity, which could be used to tailor advertising campaigns and content to users' emotional states.
Researchers found temperature, precipitation, humidity, and cloud cover associated with positive or negative expressed sentiments. Positive expressions increased up to 20 degrees Celsius before declining over 30 degrees Celsius, while high humidity and cloud cover were linked to negative expressions.
A study by Embry-Riddle Aeronautical University researchers found that general aviation pilots had difficulty understanding various types of weather information, including METAR reports and radar displays. The findings suggest that improved pilot training and more effective weather display designs could help advance aviation safety.
A Rutgers University study finds that warmer Arctic temperatures cause extreme winter swings in the US, leading to colder winters in northern Europe and snowier conditions. The research suggests a strong connection between Arctic warming and severe winter weather patterns in the eastern United States.
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 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.
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.
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.