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.
A new study reveals that multiple ocean surface temperature changes are the primary driver of multi-decadal global warming accelerations and slowdowns. This finding supports a more accurate estimate of future global warming rates to meet the Paris Conference's 1.5°C target.
The 2016 hurricane season was the second-longest on record, with a series of extremes that included Hurricane Matthew, which claimed over 600 lives and caused $15 billion in damage. The season's conditions were characterized by a dramatic change in relative humidity, leading to an increase in Accumulated Cyclone Energy.
Heavy rainfall, over 434 mm, was measured over the Bay of Bengal to the northeast of Sri Lanka from May 23-26. The village of Bellana experienced a landslide killing 90 people and over 100 missing due to strong winds and rough seas.
A new study published in Earth System Dynamics finds that Antarctica's slower warming pace may be due to its high land height. The research suggests that if Antarctica were flat, it would warm more quickly due to changes in heat transport by the atmosphere and oceans.
Surface ozone and anthropogenic aerosol haze pollution in China decrease the regional net primary productivity (NPP) by 9-16% of total NPP, accounting for 16-32% of total anthropogenic carbon emissions. Aerosol direct effects enhance annual NPP by 0.2 Pg C.
Researchers used the Met Office Unified Model to simulate Proxima B's climate, finding it could have a habitable atmosphere and stable climate regime. The team also explored different atmospheric compositions and orbital configurations, suggesting the planet could support life.
Tropical Cyclone Donna was a Category 2 hurricane that blanketed the islands of Vanuatu with strong storms and heavy rain potential. The storm's cloud top temperatures were as cold as minus 63 degrees Fahrenheit, indicating heavy rainfall.
Tropical Cyclone Donna formed in the South Pacific and is now threatening Vanuatu. The storm intensified under favorable atmospheric conditions, including strong poleward outflow and warm water, before tracking westward at 5 knots per hour.
Researchers developed a polarimetric radar time-series simulator to study tornadic debris, improving tornado warning accuracy and damage estimation. The simulator explains the relationship between debris characteristics and tornado dynamics.
Tropical cyclone Frances strengthened in the western Timor Sea, with NASA satellites capturing visible and rainfall data. The storm's maximum sustained winds were estimated at 50 knots (57.5 mph), with strong convective storms near the center dropping rain at a rate of over 70 mm per hour.
Tropical Storm Frances has formed in the Beagle Gulf, east of Darwin, with NASA's Aqua satellite capturing clear images of the storm. The storm is expected to intensify as it moves southwest through the Timor Sea and may develop into a Category 2 system early on Friday.
A new study from University of Georgia researchers aims to identify wind magnitudes commonly associated with thunderstorm asthma outbreaks. By cross-referencing forecast modeling tools, the study may help anticipate significant thunderstorms and alert public health officials about potential triggers.
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.
A University of Missouri meteorology expert predicts a relatively wet and mild summer for the Midwest, providing good growing conditions for crops. The forecast is attributed to projected El Niño conditions in the Pacific Ocean, which typically bring mild and wet summers to the region.
Researchers at EPFL's Environmental Remote Sensing Laboratory developed an algorithm to classify six different classes of snowflakes, improving precipitation measurement and forecast accuracy. The study used high-resolution images of snowflakes taken from three angles and analyzed their shape, geometry, and electromagnetic properties.
The remnant clouds and showers associated with Ex-Tropical Cyclone Debbie were slowly moving off the coasts of Queensland and New South Wales. Heavy rainfall generated by Debbie continues to trigger warnings for rivers, with several flood warnings still in effect.
NASA analyzed heavy rainfall from ex-Tropical Cyclone Debbie using the Terra satellite, finding totals exceeded 500 mm (~ 20 inches) along parts of its track. Rainfall intensities dropped rapidly as the storm moved over land, with the most extreme falls recorded along the coast where it made landfall.
NASA's Suomi NPP satellite captured an image of Ex-Tropical Cyclone Debbie over Queensland on March 29, 2017. The system's clouds stretched from Townsville to Brisbane along the coast, with heavy rainfall expected in central and southeastern regions.
Tropical Cyclone Debbie made landfall in Queensland bringing heavy rainfall and hurricane-force winds. NASA's satellite imagery showed a large area of cloud top temperatures in thunderstorms around the storm's eye, indicating potential for heavy rainfall.
Tropical Cyclone Debbie intensified into a powerful hurricane affecting eastern Queensland's coast, with NASA capturing its eye and strongest storms on March 27, 2017. The storm is forecast to make landfall between Ayr and Cape Hillsborough, prompting severe warnings for residents.
Tropical Cyclone Debbie has formed and strengthened in the Southern Pacific Ocean, threatening eastern Queensland, Australia. Powerful thunderstorms have developed around the center of circulation, with cloud top temperatures as cold as minus 80 degrees Fahrenheit, indicating strong uplift and heavy rain potential.
A low-pressure system is consolidating and strengthening in the Coral Sea, South Pacific Ocean, with sustained winds near its center. The Australian Bureau of Meteorology expects conditions to favor intensification as it approaches the north Queensland coast.
Physicists developed a simple mathematical model to predict turbulent flows and verified it physically in a lab. They identified exact coherent structures (ECSs) that provide entry points for computing predictions about future turbulence behavior.
Tropical Cyclone Blanche formed near Australia's Top End on March 5 and made landfall the next day. NASA's satellite imagery showed cloud top temperatures of minus 63 degrees Fahrenheit, indicating powerful storms that can generate heavy rainfall.
NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Cyclone Alfred, showing half the storm over land and half in the Gulf of Carpentaria. The cyclone developed from a tropical low pressure area and made landfall near the Queensland-Northern Territory border, weakening to a remnant low pressure area.
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.
A novel air quality model, REGiS, can predict surface ozone levels up to 48 hours in advance by combining statistical models with weather patterns. This method provides a 48-hour heads-up for air quality forecasters and decision-makers to mitigate unhealthy ozone level formation.
Tropical Cyclone Dineo strengthened in the Mozambique Channel, with NASA tracking its progress. The cyclone's winds are expected to reach hurricane strength and peak at 75 knots by February 15, posing a threat to residents of Mozambique.
Broader updrafts in severe storms may lead to a higher chance of damaging hail. Research suggests that changes in environmental vertical wind shear can influence the growth of significant hail.
The 2016 Quadrennial Ozone Symposium presented findings on trends of ozone in the stratosphere and troposphere. Emerging techniques for ozone observations were also discussed, as well as effects of ozone on human health and ecosystems.
A new study suggests that land-use change may be responsible for higher CO2 emissions than previously thought, emphasizing the need for reforestation efforts to combat climate change. The research highlights the crucial role of forests, grasslands, and croplands in absorbing carbon dioxide from the atmosphere.
Ex-Tropical Cyclone 03S has transformed into a frontal system in the Southern Indian Ocean, showing an elongated shape and strong wind shear. The Australian Bureau of Meteorology has issued warnings for heavy rain and cold temperatures.
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.
Tropical Storm Yvette was battered by vertical wind shear, with the majority of clouds and thunderstorms being pushed north and west of its center. The storm made landfall on Christmas Day south of Broome, Western Australia.
Tropical Cyclone Yvette's center of circulation has seen an increase in continuous rainfall area, with convective storms dropping rain at rates over 60 mm per hour. The storm's maximum sustained winds have reached up to 52 mph, with forecast predictions indicating landfall on Christmas Day.
Tropical Cyclone Yvette formed in the Indian Ocean with intense thunderstorms and heavy rainfall rates of over 127 mm per hour. The GPM satellite revealed the 3D structure of precipitation in storms near the center of circulation, with some storm tops reaching altitudes above 17 km.
Feldspar's unique surface defects enable ice crystals to grow, a discovery that sheds light on precipitation formation in clouds. The research found that microscopic edges and cracks on feldspar crystallites serve as active sites for ice nucleation.
Recent studies investigated two local heavy rainfall events in Beijing Metropolitan Region, revealing that cold pool outflows and urban surface played key roles. The development of convective storms was facilitated by a favorable convergence zone near the border of northwestward-concaved valleys and urban surfaces.
Researchers have found that each tonne of carbon dioxide emitted contributes to the loss of 3 square metres of Arctic summer sea ice. This linear relationship reveals individual contributions to global climate change, surpassing previous estimates made by climate models.
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 new study found that thunderstorms in the southern United States transport significant amounts of mercury to the ground, with concentrations 50% higher than other rain events. Researchers matched rain samples to weather data and used radar and satellite data to examine storm clouds.
Using high-resolution cloud models, researchers uncover the processes taking place in the atmosphere, revealing a 'memory' state of organisation that leads to heavy rain. Collisions between clouds produce heavier rain, contradicting traditional global climate models where convective clouds are seen as independent.
Climate researchers found that global climate models become increasingly uncertain when making predictions at scales below approximately 600 miles for temperature changes and 1200 miles for precipitation patterns. This makes it difficult to predict regional variations, such as the difference in warming between Indianapolis and Pittsburgh.
A Yale-led study found that haze in China significantly drives the urban heat island effect, unlike in the US where vegetation plays a key role. The research highlights the paradoxical impact of smaller aerosol particles, which cool surfaces but larger ones radiate heat.
Researchers at Stockholm University and the University of Miami found that thin mid-level clouds in the tropics cool the climate by about 20 W m-2, significantly more than previously thought. This study aims to bridge gaps in knowledge about these challenging-to-study clouds.
Researchers at Moscow Institute of Physics and Technology developed a novel ceramic-based laser, twice as effective as other solid-state lasers. The laser is used in surgical operations and has a wavelength that does not damage underlying tissue, making it ideal for medical purposes.
NJIT will receive $20 million in capital funding to renovate classrooms and laboratory spaces, with a focus on creating a cutting-edge Makerspace. The facility will provide state-of-the-art equipment and resources for students, faculty, and regional companies, fostering innovation and collaboration.
As air pollution increases, hydrocarbon molecules break down, confusing bees and increasing foraging time. This affects not only generalist but also specialist bees, impacting pollination and ecosystem balance.
A new study by NCAR suggests that the recent trend of increasing Antarctic sea ice extent can be explained by a natural climate fluctuation, specifically the negative phase of the Interdecadal Pacific Oscillation (IPO). This natural variability cancels out when simulations are averaged, leaving only human-caused climate change as the p...
A team led by University of Central Florida researcher Debashis Chanda is developing a novel infrared detection technology that could improve night vision, meteorology, and space exploration. The new detector will be tunable and able to see a range of bands, producing high-resolution images without the need for cooling.
Penn State researchers found that incorporating 'hurricane hunter' data into weather prediction models can reduce forecast errors for wind speed and sea level pressure. This improvement can lead to billions of dollars in savings and provide more notice to people in the path of a storm.
A study by Karlsruhe Institute of Technology and Swedish-US partners found that demographic development has a significant impact on wildfires, with population growth reducing fire frequency. However, this does not mean the risk of fires will decrease, as growing population density in fire-susceptible regions increases the risk.
Steven Cavallo, OU meteorology professor, receives $170,000 Young Investigator award for his commitment to studying vortex dynamics. The prize supports his research on polar meteorology and contributes to the development of new scientific stories in atmospheric science.
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.
Researchers will model uncertain future meteorology and smoke, dust to gain a comprehensive view of possible air quality implications. The study aims to improve predictions of particulate matter concentrations in the atmosphere.
A new study suggests that the GOES-R geostationary satellite can provide more accurate hurricane predictions by analyzing brightness temperature data. The satellite's high-resolution data allows for a more detailed understanding of hurricane intensity, including wind speed and sea level pressure.
Tropical Cyclone 16P formed in the southern Gulf of Carpentaria on March 16 with NASA's Aqua satellite capture. The storm is predicted to make landfall near the mouth of the Gilbert River in Queensland, Australia, due to expected heavy rainfall and flash flooding.
Scientists from Hong Kong University of Science and Technology and University of Amsterdam observed a new phenomenon where 2D crystals premelt into a thin layer of liquid with constant thickness. This discovery challenges current understanding of melting behaviors and suggests that dimensionality plays a crucial role.
A recent study by Karlsruhe Institute of Technology reveals a significant correlation between oil and natural gas production in the USA and an increase in atmospheric methane concentrations. The research suggests that thermogenic methane from the oil and gas industry contributes to at least 40% of the global increase in methane concent...