Current Weather News and Events

Current Weather News and Events, Weather News Articles.
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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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

Scientists develop new land surface model including multiple processes and human activities
Researchers from the Institute of Atmospheric Physics developed a land surface model CAS-LSM that has improved the descriptions of biogeochemical process and urban modules, compared with the earlier version of this model. (2020-12-18)

Potentially damaging surface ozone levels rose in lockdown
Less traffic on the roads during the first lockdown led to a reduction in air pollution but may have caused potentially damaging surface ozone levels to rise, a new study has revealed. (2020-12-18)

Mystery solved: new study shows link between hot and dry weather and air quality in Korea
Although air quality in Korea has been declining over the past few decades, the reasons behind the steady rise in ground-level ozone concentrations are a mystery. In a recent study, scientists from Gwangju Institute of Science and Technology, Korea, investigated the relationship between synoptic weather patterns and ozone levels, revealing another worrisome link between air pollution and climate change. (2020-12-15)

AI model shows promise to generate faster, more accurate weather forecasts
A model based solely on the past 40 years of weather events uses 7,000 times less computer power than today's weather forecasting tools. An A.I.-powered model could someday provide more accurate forecasts for rain, snow and other weather events. (2020-12-15)

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)

Study: Oregon's Western Cascades watershed to experience larger, more frequent fires
Projected changes in temperature and relative humidity are expected to lead to longer fire seasons and more severe fire weather in Oregon's Western Cascade mountains, which in turn will result in larger, more frequent fires. (2020-12-14)

Central Europe: dry Aprils pave the way for summer droughts
In the past 20 years, Central Europe has experienced six summer heat waves and droughts. Until now, however, it was unclear what factors led to these extreme events. (2020-12-07)

Laboratory experiments unravelling the mystery of the Mars moon Phobos
There is no weather in space - but there is weathering: Celestial bodies are bombarded by high energy particles. On the Mars moon Phobos, the situation is complicated: It is hit by particles from the sun, but it is partly shielded by Mars. New experiments explain what is going on, in 2024 a space mission will reach Phobos and check the results. (2020-11-30)

Air-sea coupling improves the simulation of the western North Pacific summer monsoon in the WRF4 model at a synoptic scale resolving resolution
Air-sea coupling improves the simulation of the western North Pacific summer monsoon in the WRF4 model at a synoptic scale resolving resolution (2020-11-25)

NSF's National Solar observatory predicts a large sunspot for Thanksgiving
On November 18 scientists from the US National Science Foundation's National Solar Observatory predicted the arrival of a large sunspot just in time for Thanksgiving. Using a special technique called helioseismology, the team has been ''listening'' to changing sound waves from the Sun's interior which beckon the arrival of a large sunspot. (2020-11-24)

'Oasis effect' in urban parks could contribute to greenhouse gas emissions, ASU study finds
Following a year of on-site analyses at a Phoenix-area park, hydrologist Enrique Vivoni of Arizona State University identified that the park showed what meteorologists call the ''oasis effect,'' a microclimate that is cooler than a surrounding dry area due to the evaporation of a water source. (2020-11-18)

Upgraded radar can enable self-driving cars to see clearly no matter the weather
A new kind of radar could make it possible for self-driving cars to navigate safely in bad weather. Electrical engineers at the University of California San Diego developed a clever way to improve the imaging capability of existing radar sensors so that they accurately predict the shape and size of objects in the scene. The system worked well when tested at night and in foggy conditions. (2020-11-17)

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