Current Space Weather News and Events

Current Space Weather News and Events, Space Weather News Articles.
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Life from Earth could temporarily survive on Mars
German Aerospace Center scientists. The researchers launched these small lifeforms into Earth's stratosphere, which replicates key characteristics of the Martian environment, and found that some microorganisms, in particular spores of black mold, survived the trip. This new way of testing endurance to space travel will be invaluable for understanding the threats and opportunities of microbes in future missions to Mars. (2021-02-22)

New study on the forecasting of extreme rainfall events in Mediterranean countries
A new study identifies nine specific large-scale weather patterns that influence extreme precipitation over the Mediterranean. Making use of this connection between localized extremes and large-scale weather variability can help to better predict heavy rainfall up to three weeks ahead. Researchers at the European Centre for Medium-Range Weather Forecasts (ECMWF, UK) and TU Bergakademie Freiberg (Germany) presented their results in the current issue of the International Journal of Climatology. (2021-02-22)

Traditional hydrologic models may misidentify snow as rain, new citizen science data shows
Normally, we think of the freezing point of water as 32°F - but in the world of weather forecasting and hydrologic prediction, that isn't always the case. In the Lake Tahoe region of the Sierra Nevada, the shift from snow to rain during winter storms may actually occur at temperatures closer to 39.5°F, according to new research from the Desert Research Institute (DRI), Lynker Technologies, and citizen scientists from the Tahoe Rain or Snow project. (2021-02-22)

How to calculate the social cost of carbon? Researchers offer roadmap in new analysis
The Biden administration is revising the social cost of carbon (SCC), a decade-old cost-benefit metric used to inform climate policy by placing a monetary value on the impact of climate change. In a newly published analysis, a team of researchers lists a series of measures the administration should consider in recalculating the SCC. (2021-02-19)

Wintering bird communities track climate change faster than breeding communities in Europe and North America
A study recently completed in Europe and North America indicates that the composition of wintering and breeding bird communities changes in line with global warming. However, wintering bird communities are considerably faster at tracking the changing climate compared to breeding communities. (2021-02-17)

Record sunshine during first COVID-19 lockdown largely caused by unusual weather
Exceptional weather conditions were mainly responsible for high solar radiation, not the aerosol reduction due to the shutdown of industry and reduced traffic in the first lockdown / International research team continues to develop climate simulations that take into account influences of the COVID-19 pandemic. (2021-02-16)

Research highlights ways to protect astronaut cardiovascular health from space radiation
In the inky blackness of space an invisible threat is ever present - radiation. It can have a huge array of negative effects on astronaut health, including cardiovascular disease. However, if we are ever to journey to the red planet, we will need to understand and reduce this risk. A new review charts a course through what we know about the cardiovascular risks of space radiation, and the best ways to protect space travelers. (2021-02-12)

Increasing hurricane intensity around Bermuda linked to rising ocean temperatures
New research shows that hurricane maximum wind speeds in the subtropical Atlantic around Bermuda have more than doubled on average over the last 60 years due to rising ocean temperatures in the region. (2021-02-12)

Northwestern scholar to talk about science of teams in space at AAAS
Noshir Contractor, along with Leslie DeChurch and NASA researcher Suzanne Bell, developed a computational model that predicts interpersonal conflicts between team members (such as astronauts) with 75-80% accuracy and prescribes interventions to repair their interactions and relationships. (2021-02-10)

Climate change: Erratic weather slows down the economy
If temperature varies strongly from day to day, the economy grows less. Through these seemingly small variations climate change may have strong effects on economic growth. This shows data analyzed by researchers from the Potsdam Institute for Climate Impact Research (PIK), Columbia University and the Mercator Research Institute on Global Commons and Climate Change (MCC). In a new study in Nature Climate Change, they juxtapose observed daily temperature changes with economic data from more than 1,500 regions worldwide over 40 years - with startling results. (2021-02-08)

Variable weather makes weeds harder to whack
From flooded spring fields to summer hailstorms and drought, farmers are well aware the weather is changing. It often means spring planting can't happen on time or has to happen twice to make up for catastrophic losses of young seedlings. According to a joint study between University of Illinois and USDA-ARS, it also means common pre-emergence herbicides are less effective. (2021-02-08)

US counties with more social capital have fewer COVID-19 infections and deaths
US counties with more social capital have fewer COVID-19 infections and deaths - perhaps because these communities have greater concern for the health of others. (2021-02-05)

California's rainy season starting nearly a month later than it did 60 years ago
The start of California's annual rainy season has been pushed back from November to December, prolonging the state's increasingly destructive wildfire season by nearly a month, according to new research. The study cannot confirm the shift is connected to climate change, but the results are consistent with climate models that predict drier autumns for California in a warming climate, according to the authors. (2021-02-04)

A team of climatologists is studying how to minimize errors in observed climate trend
These ''homogenization methods'' are a key step in converting the enormous effort made by observers into reliable data about climate change. The results of this research, funded by the Spanish Ministry of Economy and Competitiveness, have been published in the Journal of Climate of the American Meteorological Society. (2021-02-03)

Air-guiding in solid-core optical waveguides: A solution for on-chip trace gas spectroscopy
We demonstrate an air-suspended waveguide that exhibits exceptional field delocalization and an external field confinement of 107 %, providing a stronger interaction with the surrounding air than a free-space beam. Operating at mid-infrared wavelengths, the waveguide is an ideal building block of next-generation on-chip sensors for sensitive and specific trace gas detection by tunable diode laser absorption spectroscopy (TDLAS). (2021-02-02)

How do electrons close to Earth reach almost the speed of light?
In the Van Allen radiation belts, electrons can reach almost speed of light. Hayley Allison and Yuri Shprits, German Research Centre for Geosciences, have revealed conditions for such strong accelerations. They had demonstrated in 2020: during solar storm plasma waves play a crucial role. However, it remained unclear why ultra-relativistic electron energies are not achieved in all solar storms. In Science Advances they now show: extreme depletions of the background plasma density are crucial. (2021-02-02)

Temperature, humidity, wind predict second wave of pandemic
The ''second wave'' of the coronavirus pandemic has placed much blame on a lack of appropriate safety measures. However, due to the impacts of weather, research suggests two outbreaks per year are inevitable. Though face masks, travel restrictions, and social distancing guidelines help slow the number of new infections in the short term, the lack of climate effects incorporated into epidemiological models presents a glaring hole that can cause long-term effects. (2021-02-02)

More than meets the eye (of the storm): Typhoons in Korea amplified wildfires in America
In August 2020, the Korean peninsula was hit by 3 devastating typhoons. A recent study by a team of scientists from Korea and the U.S. reveals that these typhoons played a role in the wildfires in Oregon, thousands of miles away. The extreme changes in weather patterns caused by these typhoons reiterate that the consequences of natural disasters are far-reaching and not always limited to the origin. (2021-02-01)

Much to glean when times are rough
Stable seafood consumption amongst the world's poorer coastal communities depends on their local habitat characteristics, which influences how they fish at different times of the year. (2021-02-01)

Summer weather conditions influence winter survival of honey bees
Winter survival of honey bee colonies is strongly influenced by summer temperatures and precipitation in the prior year, according to Penn State researchers, who said their findings suggest that honey bees have a 'goldilocks' preferred range of summer conditions outside of which their probability of surviving the winter falls. (2021-02-01)

High-speed holographic fluorescence microscopy system with submicron resolution
The National Institute of Information and Communications Technology (NICT), Tohoku University, Toin University of Yokohama, and Japan Science and Technology Agency (JST) have succeeded in developing a scanless high-speed holographic fluorescence microscopy system with submicron resolution for a 3D space. The system is based on digital holography. The developed microscopy system has an algorithm to acquire 3D information of fluorescent objects toward scanless 3D measurement in less than 1 millisecond. (2021-01-29)

Yangtze River observational system to improve East Asian rainy season forecasting
A major observation effort deploying airplanes, satellites and ground-based tracking systems was mounted in 2020 along the Yangtze River in China to better describe the physical processes that cause the mei-yu, an intense rainy season that occurs during East Asia's summer monsoon. (2021-01-29)

Crowdfunding? Check weather forecast first!
Investors' moods are affected by gloomy weather. New research from Copenhagen Business School recommends entrepreneurs looking for finance should be aware of the weather forecast at the time they want to launch their crowdfunding campaigns. (2021-01-28)

Researchers use car collisions with deer to study mysterious animal-population phenomena
By parsing data on weather, deer populations and deer-vehicle collisions in Wisconsin, investigators at the University of Kansas show spatial synchrony could be driving population cycles, rather than the reverse. (2021-01-27)

Air purifiers may do more harm than good in confined spaces with airborne viruses
The positions of air inlets and outlets in confined spaces, such as elevators, greatly affect airborne virus transmission. In Physics of Fluids, researchers show air purifiers may actually increase the spread. They use ultraviolet radiation to kill viruses and other microbes, but they also circulate air, sucking it in and exhausting cleaned air. This adds to overall circulation. (2021-01-26)

Wetter weather affects composition, numbers of tiny estuarial phytoplankton
Extreme weather events, such as hurricanes and increased precipitation, affect both the amount and the composition of picophytoplankton in the Neuse River Estuary. The work is a first step in determining how a wetter climate may affect the estuarine ecosystem. (2021-01-25)

Microbiome Search Engine 2 helps researchers explore microbiome space
To correlate the newly developed microbiomes with existing data sets, researchers from the Qingdao Institute of BioEnergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) and their collaborators developed the Microbiome Search Engine 2 (MSE 2). (2021-01-22)

Online courses reinforce inequalities
With the global student community taking online courses, a study (UNIGE) reveals that online courses deepen inequalities between gifted and less gifted students by 5%. The results of the study, which was based on data collected in 2016-2017 prior to the anti-Covid lockdown initiatives. They indicate that this learning gap between different student profiles is mainly due to their behaviour and motivation. (2021-01-19)

NASA explores solar wind with new view of small sun structures
Scientists have combined NASA data and cutting-edge image processing to gain new insight into the solar structures that create the Sun's flow of high-speed solar wind, detailed in new research published today in The Astrophysical Journal. This first look at relatively small features, dubbed ''plumelets,'' could help scientists understand how and why disturbances form in the solar wind. (2021-01-19)

Scientists offer road map to improve environmental observations in the Indian Ocean
A group of more than 60 scientists have provided recommendations to improve the Indian Ocean Observing System (IndOOS), a basin-wide monitoring system to better understand the impacts of human. (2021-01-15)

Extreme fire weather
When the Thomas Fire raged through Ventura and Santa Barbara counties in December 2017, Danielle Touma, at the time an earth science researcher at Stanford, was stunned by its severity. Burning for more than a month and scorching 440 square miles, the fire was then considered the worst in California's history. (2021-01-14)

Early COVID-19 lockdowns had less impact on urban air quality than first believed
The first COVID-19 lockdowns led to significant changes in urban air pollution levels around the world, but the changes were smaller than expected - a new study reveals. (2021-01-13)

Climate change reduces the abundance and diversity of wild bees, study finds
Wild bees are more affected by climate change than by disturbances to their habitats, according to a team of researchers led by Penn State. The findings suggest that addressing land-use issues alone will not be sufficient to protecting these important pollinators. (2021-01-12)

Characteristics of severe thunderstorm and lightning activity in the Beijing metropolitan region
Severe thunderstorm is a kind of high-impact weather process producing lightning, heavy precipitation, hails, and wind gust, and still very difficult to be forecasted accurately up to now. A recent study published in Science China: Earth Sciences reported the characteristics of thunderstorm and lightning activity in the Beijing metropolitan region, and the result indicated that lightning data could be assimilated into the numerical weather model to improve the forecast of severe thunderstorm and heavy precipitation. (2021-01-12)

Imminent sudden stratospheric warming to occur, bringing increased risk of snow over coming weeks
A new study led by researchers at the Universities of Bristol, Exeter, and Bath helps to shed light on the winter weather we may soon have in store following a dramatic meteorological event currently unfolding high above the North Pole. Weather forecasting models are predicting with increasing confidence that a sudden stratospheric warming (SSW) event will take place today, 5 January 2021. (2021-01-05)

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 upside of volatile space weather
Although stellar flares are typically viewed as a detriment to habitability, study shows ''life might still have a fighting chance.'' Researchers find that flares drive a planets atmospheric composition to a new chemical equilibrium. (2020-12-21)

Modeling rainfall drop by drop
A high-frequency model developed using data from new high-precision rain gauges gives fresh insight into the dynamics of rain and runoff events. (2020-12-20)

Compressive fluctuations heat ions in space plasma
New simulations carried out in part on the ATERUI II supercomputer in Japan have found that the reason ions exist at higher temperatures than electrons in space plasma is because they are better able to absorb energy from compressive turbulent fluctuations in the plasma. These finding have important implications for understanding observations of various astronomical objects such as the images of the accretion disk and shadow of the M87 supermassive black hole. (2020-12-18)

A weather station for epileptic seizure
The onset of epileptic seizures is unpredictable. Neuroscientists from the University of Geneva, the University Hospital of Bern and the University of California in San Francisco, have succeeded in developing a technique that can predict seizures between one and several days in advance. By recording neuronal activity over at least six months using a device implanted directly in the brain, it is possible to provide information about the probability of a future seizure. (2020-12-18)

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