Articles tagged with Meteorology
A severe rainstorm over Kauai in April 2018 resulted in $180 million in damage and 532 homes destroyed. The study found that supercell thunderstorms triggered the deluge, which set a new US 24-hour rainfall record of nearly 50 inches.
Researchers have used computer simulations to show that small adjustments to certain variables can modify weather systems, mimicking the 'butterfly attractor' phenomenon in chaos theory. This approach could lead to weather control technology and prevent extreme windstorms.
The frequency of thunderstorms in some fast-growing African coastal cities has doubled over the past 30 years, mostly linked to land use change. Deforestation exacerbates storm activity, causing increased rainfall and flooding in urban areas.
Scientists use a modified drone with a radiation shield to collect high-quality atmospheric data in polar regions. The study shows that the low-cost drone provides accurate data comparable to radiosondes, expanding the observational network and improving weather forecasts.
A Dartmouth team compiled a global-scale dataset to show how uncertainties over determining snow depth can actually improve predictions of water availability. The approach leverages observational and definitional uncertainties to make better assessments of snow droughts and their impacts.
A new study reveals how Earth's volatile elements, such as hydrogen, nitrogen, and carbon, were formed through a combination of deep Earth processes, oceans' formation, and meteor impacts. The research suggests that these elements played a crucial role in creating the habitable environment necessary for life to emerge.
A recent study reveals that tropospheric temperature affects tropical cyclone peak intensities in distinct ways across different basins. In the North Atlantic, significant cooling of the tropopause strengthens peak intensity, while warming in the lower troposphere is associated with strong eastern Pacific TCs.
Researchers identified 'hotspots' for flash droughts globally, including regions with high agricultural production, and found that half of the contributing factor is a lack of rainfall and hot weather conditions. This study provides a foundation to build off and explore key questions regarding future trends of flash drought occurrence.
A new proposed scheme has been developed to seamlessly detect cutoff lows and preexisting troughs in a consistent and integrated manner. The scheme uses an automated numerical approach to extract the locations, intensities, and sizes of these features from snapshot upper tropospheric weather map data.
Researchers found that stronger hurricanes trap and transport more birds due to their intense winds and thunderstorms. The study used radar data from 33 Atlantic hurricanes between 2011 and 2020, revealing a correlation between hurricane intensity and the presence of birds within the eye.
A new study by Dr. Benjamin Byron demonstrates the ability of the Lyman-Alpha Mapping Project to determine the composition of lunar surface areas using far-UV light reflectance. This method normalizes surface maturity features, revealing a close correlation with composition maps from other regions.
Researchers from the University of Tsukuba found that warm sea surface temperature conditions in the Indian Ocean contribute to anomalous weather events in East Asia, including record-breaking rainfall and severe flooding. The study suggests a link between warming Indian Ocean conditions and stagnation of the Meiyu-Baiu rainband.
A new study incorporated water vapor isotope compositions into a general circulation model to improve forecast accuracy by several percentage points. The Isotope-incorporated Global Spectral Model (IsoGSM) demonstrated improved modeling of air temperature and specific humidity.
Naoko Sakaeda, a University of Oklahoma weather researcher, has received a $652,000 NSF CAREER award to study tropical meteorology and improve global weather forecasting. Her research aims to better understand the dynamics of tropical clouds and precipitation at various scales.
Researchers found that local emissions significantly contribute to the formation of regional haze and particle growth in Beijing. The study suggests that a reduction of anthropogenic gaseous precursors can suppress particle growth, leading to haze alleviation.
An international team of researchers estimated China's carbon mitigation efforts, revealing the country reabsorbs 45% of its annual human-made CO2 emissions through forest growth. The study used newly available data and independent satellite measurements to corroborate findings.
A record-breaking spring temperature event occurred in eastern China in 2018, with over 900 stations reaching their highest spring mean temperature on record. The analysis suggests that both human-induced global warming and anomalous circulation increased the chance of this extreme high-temperature event.
A study found that long-term exposure to PM2.5 in China is associated with a significant mortality burden, accounting for 30.8 million premature deaths between 2000 and 2016.
A recent study published in Advances in Atmospheric Sciences estimates that the Yangtze River Delta region contributes around one-third of China's total hydrofluorocarbon emissions. The study found that the region has a higher emissions intensity per capita, area, and GDP compared to national and global levels, with HFC-23 being the pr...
Lockdowns led to significant reductions in nitrogen dioxide and particulate matter pollution globally, with decreases of up to 60% in some regions. However, surface ozone levels increased by a factor of 1.5-2 in northern China due to decreased nitrogen dioxide pollution.
Researchers Xu Dahai and Chen Junming investigated the physical and chemical origin of secondary fine particles in haze. They defined atmospheric self-purification ability and established equations to analyze key factors forming secondary fine particles, revealing their macro mechanism and synergistic effect. The study provides a quant...
Summer surface ozone levels in China rose in four major cities between 2013 and 2017 due to decreasing particulate matter emissions. This increase can slow the natural cleanup of hydroperoxy radicals from aerosols, sparking concerns about anthropogenic ozone precursor emissions.
Research reveals a significant relationship between the Silk Road Pattern and Eurasian climate anomalies, particularly in strong north-jet years. Stronger-than-usual Rossby wave source anomalies contribute to this link, suggesting more attention be given to these years.
Researchers studied northern hemisphere boreal forests from 1979-2014 and found that spring recovery after snowmelt advanced by an average of 8.1 days, corresponding to a 3.7% increase in gross primary production per decade.
A recent article showcases long-term international collaboration in atmospheric sciences through annotated group photographs from two workshops, separated by over 95 years. This highlights the importance of human connection in scientific research and the value of visual datasets.
The Antarctic Peninsula has entered a temporary cooling phase, driven by the stabilization of the ozone hole and changing wind patterns. Temperatures remain higher than pre-20th Century levels despite glacial retreat.
The Volkswagen Foundation has selected four research projects from over 200 applications, focusing on young academics and independent of current conflicts. The projects cover Slavonic Studies, Hydrosciences, Mathematics, and Physics, with a particular emphasis on transboundary rivers and domain wall conductivity.
A new study reveals that Mediterranean sea levels have risen by over 1mm per year since 1989, with the trend being positive in winter and negative in summer. The researchers analyzed data from 1948 to 2009 and compared it with real-time measurements to validate their results.
Michael E. Mann received the 2014 Pongo Environmental Award for his groundbreaking research on global warming and strong advocacy for climate protection. The award recognizes his work in providing crucial global temperature data and a compelling case for global warming, as well as his leadership as a climate warrior.
Researchers at Penn State have redefined the Atlantic Multidecadal Oscillation (AMO), finding that its true signal was likely in a cooling phase in recent decades. This shift may have offset some of the anthropogenic warming, resulting in a temporary slowdown in global warming.
Scientists warn that plants and soils could react to warming by releasing additional carbon dioxide, increasing greenhouse gas concentrations. The study found vast potential range in future terrestrial carbon storage, posing challenges for climate change risk management.
Wyngaard and Thompson are honored for their contributions to understanding atmospheric turbulence and ozone dynamics. They received the Carl-Gustaf Rossby Research Medal and Verner E. Suomi Award, respectively.
The research aims to determine the impacts of various emission sources on fine particle concentrations in Santiago de Chile. The study reveals that transport is the biggest source of fine particles in the city.
The EU-funded ESAIL project aims to develop the laboratory prototypes of key electric sail components. A full-scale electric sail is estimated to produce a continuous thrust of one newton while weighing only 100 kg.
Meteorology Professor Evgeni Fedorovich has been recognized with the Humboldt Research Award for his contributions to fundamental discoveries in atmospheric flow dynamics. He will conduct research on numerical algorithms for simulating turbulent flows in Germany.
Dr. David Yap receives prestigious Amethyst Award from Ontario Public Service for his work combating air pollution in Canada and the United States. The award recognizes his contributions to developing air quality management programs, including the Air Quality Index and Smog Alert Programs.
Five University of Miami students received top honors with prestigious American Meteorological Society (AMS) awards, bolstering the university's reputation for academic rigor in meteorology. The Rosenstiel School's undergraduate program, one of only 70 nationwide, has seen notable success with these scholarships and fellowships.
A recent study by the University of Sheffield reveals that Greenland's ice sheet has experienced its most extreme melting in 50 years, primarily triggered by regional climate changes. The research highlights a striking correlation between Greenland's ice melt and global temperature variations.
Researchers found that well-informed players contributed the most to a public good, climate preservation. Players who received public recognition also donated more than those who made anonymous contributions.
A new iceberg has broken from Antarctica's Ross Ice Shelf, just east of one discovered on March 17. The new iceberg is approximately 130 km by 20 km and was detected using high-resolution satellite data provided by the Antarctic Meteorological Research Center.