Current Clouds News and Events

Current Clouds News and Events, Clouds News Articles.
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Bacteria and algae get rides in clouds
Human health and ecosystems could be affected by microbes including cyanobacteria and algae that hitch rides in clouds and enter soil, lakes, oceans and other environments when it rains, according to a Rutgers co-authored study. (2021-02-16)

Cloud simulations get a dose of realism
A focus on the fundamental physics of cloud formation leads to highly realistic simulations of different types of clouds. (2021-02-15)

Climate research: rapid formation of iodic particles over the Arctic
When sea ice melts and the water surface increases, more iodine-containing vapours rise from the sea. Scientists from the international research network CLOUD have now discovered that aerosol particles form rapidly from iodine vapours, which can serve as condensation nuclei for cloud formation. The CLOUD researchers, among them scientists from the Goethe University Frankfurt, fear a mutual intensification of sea ice melt and cloud formation, which could accelerate the warming of the Arctic and Antarctic. (2021-02-11)

Better understanding the reasons behind Arctic amplified warming
EPFL professor Julia Schmale is calling on scientists to conduct dedicated process studies and to share their data and research findings on Arctic warming. She stresses the importance of studying how aerosols and clouds interact, as these highly complex and poorly understood mechanisms play a key role in climate change, but are also strongly affected by it. According to her, the region is in rapid transition and scientists need to act to not run behind. (2021-02-08)

Iodine oxoacids drive rapid aerosol formation in pristine atmospheric areas
Iodine plays a bigger role than thought in rapid new particle formation (NPF) in relatively pristine regions of the atmosphere, such as along marine coasts, in the Arctic boundary layer or in the upper free troposphere, according to a new study. (2021-02-04)

Arctic warming and diminishing sea ice are influencing the atmosphere
Researchers of the Institute for Atmospheric and Earth system research at the University of Helsinki have resolved for the first time, how the environment affects the formation of nanoparticles in the Arctic. The results give additional insight into the future of melting sea ice and the Arctic atmosphere. Until recent studies, the molecular processes of particle formation in the high Arctic remained a mystery. (2021-01-29)

Arctic ocean expedition advances climate modeling
In-situ cloud, radiation, and surface energy budget data collected by a September 2014 expedition of the Japanese Research Vessel Mirai from a stationary point in the ice-free Arctic Ocean were used to investigate the skill of regional climate models. Although most near-surface meteorological parameters were adequately captured by most models, certain important discrepancies were identified, such as the failure to capture unstable low-level cloud stratification, and the partitioning of ice clouds and liquid clouds. (2021-01-26)

New galaxy sheds light on how stars form
Detailed observations of molecular gas in a tidal dwarf galaxy have important implications for our understanding of how stars are formed. (2021-01-25)

Tiny particles that seed clouds can form from trace gases over open sea
New results from an atmospheric study over the Eastern North Atlantic reveal that tiny aerosol particles that seed the formation of clouds can form out of next to nothingness over the open ocean. The findings will improve how aerosols and clouds are represented in models that describe Earth's climate so scientists can understand how the particles--and the processes that control them--might have affected the planet's past and present, and make better predictions about the future. (2021-01-22)

Astronomers discover first cloudless, Jupiter-like planet
Astronomers at the Center for Astrophysics | Harvard & Smithsonian have detected the first Jupiter-like planet without clouds or haze in its observable atmosphere. The findings were published this month in the Astrophysical Journal Letters. (2021-01-21)

How to train a robot (using AI and supercomputers)
Computer scientists from UT Arlington developed a deep learning method to create realistic objects for virtual environments that can be used to train robots. The researchers used TACC's Maverick2 supercomputer to train the generative adversarial network. The network is the first that can produce colored point clouds with fine details at multiple resolutions. The team presented their results at the International Conference on 3D Vision (3DV) in Nov. 2020. (2021-01-19)

How aerosols are formed
ETH Zurich researchers conducted an experiment to investigate the initial steps in the formation of aerosols. Their findings are now aiding efforts to better understand and model that process - for example, the formation of clouds in the atmosphere. (2021-01-14)

Scientists develop new approach to understanding massive volcanic eruptions
An international volcanology team has created a first-of-its kind tool that can aid scientists in understanding past explosive eruptions that shaped the earth and improve the way of estimating hazards of future eruptions. (2021-01-04)

New proposal for how aerosols drive increased atmospheric convection in thunderstorm clouds
High in the clouds, atmospheric aerosols, including anthropogenic air pollutants, increase updraft speeds in storm clouds by making the surrounding air more humid, a new study finds. (2020-12-31)

The Milky Way primordial history and its fossil findings
Recently discovered and named, the ''Bulge Fossil Fragments'' represent a new class of stellar systems composed of the relics of primordial massive clumps of gas and stars that originated the core of our galaxy approximately 12 billion years ago (2020-12-18)

Dark storm on Neptune reverses direction, possibly shedding a fragment
Astronomers using NASA's Hubble Space Telescope watched a mysterious dark vortex on Neptune abruptly steer away from a likely death on the giant blue planet. (2020-12-16)

Urban land and aerosols amplify hazardous weather, steer storms toward cities
Urban landscapes and human-made aerosols have the potential to not only make gusts stronger and hail larger; they can also start storms sooner and even pull them toward cities, according to new research exploring the impact of urban development on hazardous weather. (2020-12-15)

Gaia: astronomers to release most accurate data ever for nearly two billion stars
On 3 December 2020 an international team of astronomers will announce the most detailed ever catalogue of the stars in a huge swathe of our Milky Way galaxy. The measurements of stellar position and movement are in the third data release from the European Space Agency's Gaia space observatory and will be publicly available. (2020-12-03)

Scientists peer into the 3D structure of the Milky Way
Scientists from Cardiff University have helped produce a brand-new, three-dimensional survey of our galaxy, allowing them to peer into the inner structure and observe its star-forming processes in unprecedented detail. (2020-12-03)

A long distance connection: polar climate affects trade wind strength in tropics
The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events causes melt of sea ice in far-reaching parts of the Southern Ocean via its effect on the global atmospheric circulation. A new study, published this week in the journal Science Advances by an international team, demonstrates that the opposite pathway exists as well. (2020-11-20)

Building blocks of life can form long before stars
An international team of scientists have shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space. (2020-11-16)

The burning question of Bonfire Night pollution
Bonfire Night celebrations contaminate our air with 100 times more soot than usual. The particles, also known as black carbon are so small, they can penetrate deep into the lungs and cause irritation. Long term exposure can cause harmful effects on the heart and lungs and contributes to millions of deaths worldwide each year. (2020-11-05)

Past is key to predicting future climate, scientists say
In a review paper published in the journal Science, a group of climate experts make the case for including paleoclimate data in the development of climate models. Such models are used globally to assess the impacts of human-caused greenhouse gas emissions, predict scenarios for future climate and propose strategies for mitigation. (2020-11-05)

Destroying cancer cells with non-surgical ultrasound treatment
Dr. Ki Joo Pahk's research team at the Korea Institute of Science and Technology Center for Bionics confirmed the possibility of precisely fractionating target tumor cells, as though it is cut out using a knife, without causing heat damage to any other part of the body by using high-intensity focused ultrasound. (2020-10-26)

Hubble sees swirls of forming stars
At around 60 million light-years from Earth, the Great Barred Spiral Galaxy, NGC 1365, is captured beautifully in this image by the NASA/ESA Hubble Space Telescope. (2020-10-09)

Climate: Iodic acid influences cloud formation at the North Pole
An international team of scientists from EPFL, the Paul Scherrer Institute and Stockholm University has identified a novel driver of new aerosol particle formation in the Arctic during the summer to fall transition. The authors show that iodic acid is important for forming new particles which subsequently influence the formation of clouds and their radiative effect over the Arctic pack ice. (2020-10-01)

Venus might be habitable today, if not for Jupiter
Venus might not be a sweltering, waterless hellscape today, if Jupiter hadn't altered its orbit around the sun, according to new UC Riverside research. (2020-09-30)

NASA imagery reveals Kujira transitioning into an extratropical cyclone 
Tropical cyclones can become post-tropical before they dissipate, meaning they can become sub-tropical, extra-tropical or a remnant low-pressure area. NASA's Aqua satellite provided a visible image that showed Typhoon Kujira transitioning into an extra-tropical storm, and the effects of strong wind shear on the system. (2020-09-30)

First study with CHEOPS data describes one of the most extreme planets in the universe
CHEOPS keeps its promise: Observations with the space telescope reveal details of the exoplanet WASP-189b - one of the most extreme planets known. CHEOPS is a joint mission by the European Space Agency (ESA) and Switzerland, under the aegis of the University of Bern in collaboration with the University of Geneva. (2020-09-28)

Study delivers new knowledge about what causes thunderstorms and cloud bursts
Thunderstorms often provoke violent cloud bursts that can result in devastating flooding. But what actually spawns thunderstorms and cloud bursts? This question has spurred a new study by researchers at the University of Copenhagen -- with surprising results. (2020-09-25)

Pair of massive baby stars swaddled in salty water vapor
Using ALMA, astronomers spotted a pair of massive baby stars growing in salty cosmic soup. Each star is shrouded by a gaseous disk which includes molecules of sodium chloride, commonly known as table salt, and heated water vapor. Analyzing the radio emissions from the salt and water, the team found that the disks are counter rotating. It is promising that salt is an excellent marker to explore the immediate surroundings of giant baby stars. (2020-09-25)

NASA finds post-tropical storm Beta's clouds blanketing the Southeastern US   
NASA's Terra satellite obtained visible imagery of Post-Tropical Cyclone Beta as it continued moving slowly through the Tennessee Valley. Clouds associated with the low-pressure area looked like a large white blanket draped across much of the southeastern U.S. (2020-09-25)

NASA observations aid efforts to track California's wildfire smoke from space
Wildfires have been burning across the state of California for weeks - some of them becoming larger complexes as different fires merge. One of those was the August Complex Fire, which reportedly began as 37 distinct fires caused by lightning strikes in northern California on Aug. 17. That fire is still burning over a month later. (2020-09-25)

NASA nets Dolphin as an extratropical storm
NASA's Aqua satellite caught a visible image of Dolphin after it passed east central Japan on Sept. 24, 2020, where it became an extratropical storm in the Northwestern Pacific Ocean. (2020-09-24)

Water on exoplanet cloud tops could be found with hi-tech instrumentation
University of Warwick astronomers have shown that water vapour can potentially be detected in the atmospheres of exoplanets by peering literally over the tops of their impenetrable clouds. (2020-09-22)

NASA finds a fading wispy Tropical Depression Vicky
NASA's Terra satellite found Vicky to be a shadow of its former self, devoid of precipitation around its low-level center. Any precipitation had been pushed far to the northeast from wind shear. Vicky looked like a wispy ring of clouds on visible satellite imagery and nearby Hurricane Teddy is not helping. (2020-09-17)

Hubble captures crisp new portrait of Jupiter's storms
Hubble's sharp view is giving researchers an updated weather report on the monster planet's turbulent atmosphere, including a remarkable new storm brewing, and a cousin of the famous Great Red Spot region gearing up to change color -- again. (2020-09-17)

Hubble captures crisp new image of Jupiter and Europa
This latest image of Jupiter, taken by the NASA/ESA Hubble Space Telescope on Aug. 25, 2020, was captured when the planet was 653 million kilometres from Earth. Hubble's sharp view is giving researchers an updated weather report on the monster planet's turbulent atmosphere, including a remarkable new storm brewing, and a cousin of the Great Red Spot changing color -- again. The new image also features Jupiter's icy moon Europa. (2020-09-17)

NASA finds wind shear not letting up on Tropical Storm Vicky
NASA's Terra satellite obtained visible imagery of Tropical Storm Vicky as it continued moving through the eastern North Atlantic Ocean fighting strong wind shear. Outside winds are pushing at the storm and weakening it. (2020-09-16)

Turbulence affects aerosols and cloud formation
Turbulent air in the atmosphere affects how cloud droplets form. New research from Michigan Technological University's cloud chamber changes the way clouds, and therefore climate, are modeled. (2020-09-16)

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