NASA catches the extra-tropical ending of Mangga
Mangga transitioned to an extra-tropical storm, losing tropical characteristics and retaining hurricane-force winds. The system brought damaging winds and high tides to Western Australia.
Search results for “Meteorology”
854 results for "Meteorology"
Climate change will bring bigger swings in European summer temperatures
A new study found that climate change will lead to more erratic summer temperatures in Europe, with hotter and colder days becoming more frequent and unpredictable. In contrast, winter temperatures are expected to become less variable, making it harder for humans and nature to adapt.
Winter warm spells see an increase in duration and frequency in UK temperature records
Warm spells in UK winters are occurring more often and for longer periods than ever before. The analysis of historical temperature data shows that week-long warm intervals now consistently exceed 13 degrees C, a threshold that was previously rare and typically occurred every 5 years.
Warming Midwest conditions may result in corn, soybean production moving north
Researchers used machine learning to analyze 30 years of crop-yield data, finding that warmer conditions are causing corn yields to increase in humidity and decrease with extreme temperatures. The study predicts a shift in corn and soybean production from Iowa and Illinois to Minnesota and the Dakotas as optimal climate conditions change.
'Gargantuan' hail in Argentina may have smashed world record
A recent storm in Argentina produced hailstones up to 9.3 inches across, potentially setting a new world record. Researchers suggest classifying such large hailstones as 'gargantuan' and emphasize the need for more awareness and data collection to better understand these extreme events.
Latest findings from expanded research on Antarctic meteorology and climate
A recent special issue of Advances in Atmospheric Sciences presents the latest findings from expanded and ongoing research efforts in Antarctic meteorology and climate. The studies reveal signs of climate change, including strong warming over the Antarctic Peninsula, rapid ice loss, and changes in precipitation patterns.
SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateApr 19, 2020
Climate change triggers Great Barrier Reef bleaching
The Great Barrier Reef has suffered its third coral bleaching event in just five years, with the most recent event being the worst. Severe bleaching has struck all three regions of the reef, causing widespread damage to coral habitats.
NASA-NOAA satellite catches Tropical Cyclone Harold develop near Solomon Islands
NASA's Suomi NPP satellite provides visible image of newly formed Tropical Cyclone Harold near Solomon Islands. The storm threatens Vanuatu, which has issued warnings for damaging gale force winds.
Under extreme heat and drought, trees hardly benefit from an increased CO2 level
Researchers found that increased CO2 levels reduced water loss and improved water use efficiency in trees during periods of drought and heat, but had no positive effect on carbon metabolism. The study suggests that the benefits of elevated CO2 are outweighed by the negative impacts of climate change.
Challenge and desire in Antarctic meteorology and climate
The article discusses recent findings from WAMC workshops and YOPP meetings, focusing on Antarctic observations, numerical modeling, and weather forecasting. Open access to datasets and improved predictive skills are major aspirations for the Polar Prediction Project.
SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateMar 23, 2020
NASA finds ex-Tropical Cyclone 21S affecting Australia's Pilbara Coast
NASA's Terra satellite provided a visible image of Ex-Tropical Cyclone 21S, which is still affecting Western Australia's Pilbara Coast with heavy rainfall and squally winds. The system is expected to bring severe weather events, including damaging wind gusts and flash flooding.
Something in the water
A Brazilian study found that consuming contaminated water with saxitoxin worsens Zika neurotoxicity, tripling cell mortality and causing microcephaly-like malformations. This research highlights the public health problem of low water quality in the Northeast region, exacerbating the effects of arbovirus diseases.
SourceD'Or Institute for Research and Education·JournalPLOS Neglected Tropical Diseases·DateMar 12, 2020
NASA tracks ex-Tropical Cyclone Esther over Northern Territory
Ex-tropical cyclone Esther's remnant clouds and storms are being tracked by NASA's Aqua satellite over the Barkly Region of Australia's Northern Territory. The region has experienced widespread rainfall totals of 50 to 150 mm, leading to localized flooding and areas of inundation.
NASA sees ex-tropical cyclone Esther move back into northern territory
Ex-tropical cyclone Esther has moved over Northern Territory, generating a flood watch and widespread rainfall totals. Satellite imagery provided by NASA-NOAA's Suomi NPP satellite shows the remnants of the storm have blanketed the region.
NASA finds ex-Tropical Cyclone Esther moving back inland
Ex-Tropical Cyclone Esther has turned back into Western Australia, bringing heavy rainfall and flood warnings to the region. The Australian Bureau of Meteorology issued a Flood Watch for several areas, with widespread daily totals of 50-80 mm expected, and isolated falls of up to 150 mm possible.
InSight detects gravity waves, devilish dust on Mars
The InSight lander has detected gravity waves, surface swirling dust devils and the steady rumble of infrasound on Mars. The team also found daily pressure and temperature fluctuations stronger than on Earth, and convective vortices known as dust devils.
Predicting persistent cold pool events
Cold pools can trap pollutants, reduce wind speeds, and cause freezing rain, posing serious health risks in urban areas. The study aims to improve forecasting of these events to ensure a stable electrical grid and lower energy costs.
SourceDOE/Argonne National Laboratory·JournalJournal of Applied Meteorology and Climatology·DateFeb 24, 2020
The climate and increased extreme weather affect our energy systems
A new method predicts how extreme climate events affect energy systems with a focus on renewable energy sources. Future climate events can have a considerable impact, leading to power supply reliability reductions of up to 16%. Collaboration between energy system experts and climate researchers is necessary for optimization.
NASA finds wind shear affecting tropical cyclone Uesi
Wind shear, a measure of changing winds with altitude, affects Tropical Cyclone Uesi's rotation and strength. The NASA Aqua satellite revealed this impact, showing clouds being pushed to the southeast of the center of circulation.
NASA finds a stronger Tropical Cyclone Uesi near New Caledonia
NASA's Terra satellite has detected a strengthening Tropical Cyclone Uesi, affecting New Caledonia with heavy rainfall and gusty winds. The storm is moving southwards, pulling away from Vanuatu but still generating powerful thunderstorms.
NASA analyzes ex-Tropical Cyclone Damien's rainfall in Western Australia
GPM mission core satellite analyzed rainfall generated by ex-Tropical Cyclone Damien's remnants, showing heaviest rainfall occurring south of the center at a rate of at least 0.2 inches per hour. Heavy rainfall is forecast over the southeastern Gascoyne and adjacent Goldfields, posing a risk of flash flooding.
NASA examines Tropical Storm Uesi's heavy rainfall
NASA measured heavy rainfall around Tropical Storm Uesi's center and in a large band of thunderstorms, triggering warnings for Vanuatu. The heaviest rainfall was falling at 1.2 inches per hour near the center, while a large band of thunderstorms experienced rainfall rates of up to 1 inch per hour.
NASA analyzes tropical cyclone Cristina's water vapor concentration
Tropical Cyclone Cristina was analyzed by NASA's Aqua satellite, revealing high concentrations of water vapor and cold cloud top temperatures around the center. These conditions suggest a powerful storm with the capability to produce heavy rainfall.
NASA sees tropical storm Damien form off Australia's Pilbara coast
Tropical Cyclone Damien has formed off the Pilbara coastline of Western Australia, with NASA's Terra satellite providing visible images. The storm is expected to continue intensifying as it tracks west-southwest, with severe impacts forecast for the Pilbara coast on Saturday.
Weather radar records drastic drop in mayfly populations
Researchers used radar technology to quantify mayfly swarms in the Upper Mississippi River and Western Lake Erie Basin, estimating up to 88 billion mayflies can swarm annually. A 50% decline in population was observed between 2012 and 2019, raising questions about causes of such reductions in mass emergence.
Airborne measurements point to low EPA methane estimates in south central US
Researchers used airborne measurements to find that oil and gas facilities in the south central US are releasing up to 2.5 times more methane than EPA estimates suggest. The study, part of the ACT-America campaign, used weather models and ethane measurements to determine methane sources.
FSU Research: Despite less ozone pollution, not all plants benefit
Despite decreasing ozone concentrations in the air, plants' ozone uptake trends don't follow suit. FSU researchers tracked ozone uptake into plants over 10 years at 30 test sites and found that environmental factors like weather conditions have a greater impact on plant ozone dose than atmospheric ozone concentration.
A simple way to predict tropical cyclones undergoing rapid intensification
Researchers develop new method to predict rapid intensification in tropical cyclones using the Synchronization Index, which measures vertical structure coherence. This index helps forecasters monitor vortex structure and understand processes influencing rapid intensification.
SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateJan 21, 2020
NASA infrared data analyzes cloud top temperatures in Tropical Cyclone Claudia
Satellite data revealed that Tropical Cyclone Claudia was weakening, with stronger storms located on the western side. Cloud top temperatures around -63 degrees Fahrenheit indicate strong storms capable of heavy rain, but are now warming due to reduced air uplift.
NASA-NOAA satellite imagery reveals a weaker Tropical Cyclone Claudia
Tropical Storm Claudia weakened due to wind shear and dry air, with maximum sustained winds dropping to 47 mph. The storm continued to appear elongated from NASA-NOAA's Suomi NPP satellite imagery.
NASA tracking Tropical Storm Claudia battling wind shear
Tropical Storm Claudia is battling strong vertical wind shear as it moves away from Western Australia and through the Southern Indian Ocean. The storm's shape, elongated from west to east, provides forecasters with an idea of its organization and strength.
NASA satellite sees Blake's remnants bringing desert rain to Western Australia
The remnants of Ex-tropical Cyclone Blake have generated rainfall over desert areas in Western Australia, triggering four area flood warnings. The NASA Aqua satellite captured visible images of the elongated shape of the remnants, which stretched from central to southeastern Western Australia.
Using a robot to deploy robots in remote oceans
The AutoNaut is a specially-adapted sea-going robot that can deploy an underwater Seaglider, carrying sensors for climate research. The vessel has been tested off the coast of Barbados and will be used to track cloud formation and its role in the climate system.
NASA-NOAA satellite tracks Tropical Storm Blake's remnants spreading
The remnants of Tropical Storm Blake are moving southeast through the South Interior area of Western Australia, threatening heavy rainfall and strong winds. Damage from the system is expected due to winds averaging 31-37 mph and potential flooding from daily rainfall totals of 3-6 inches.
NASA-NOAA satellite catches Tropical Cyclone Blake and western Australia fires
Tropical cyclone Blake made landfall in Western Australia, causing fires to rage in the southern part of the state. NASA-NOAA's Suomi NPP satellite provided an image showing the storm's center inland, with bands of thunderstorms stretching far south and red spots indicating wildfires burning.
NASA sees Tropical Storm Blake's center off Australia's Kimberley Coast
Tropical Storm Blake is moving south and is expected to make landfall near Wallal Downs early Wednesday morning. The storm's center was located just off shore from Bidyadanga, with maximum sustained winds of 75 kph (47 mph) on January 7.
NASA finds heavy rain potential in Tropical Cyclone Blake
Tropical Cyclone Blake has a high potential for creating heavy rain due to its cloud top temperatures being as cold as -81 degrees Fahrenheit. The storm is currently located north of Western Australia and is forecasted to make landfall east of Port Hedland within the next 24 hours.
Ice sheet melting: Estimates still uncertain, experts warn
Climate scientists continue to face uncertainties in predicting ice sheet melt rates, which directly impact sea-level rise projections. Recent research highlights the need for improved observations and computer models to refine these estimates and inform climate adaptation efforts.
Applying physics principle yields grim prediction on hurricane destruction in an era
A physicist has developed a new model predicting the increased destructive power of hurricanes as water temperatures rise. The model is based on a physics principle and suggests that the destructive power of Atlantic hurricanes off Africa could reach three times their current level if water temperatures increase by 2 degrees Celsius.
Fiber-optic cables capture thunderquake rumbles
Researchers at Penn State used fiber-optic cables to detect tiny seismic events caused by thunder during a storm, marking the first time scientists have recorded thunder-induced seismic events.
Loss of tropical Pacific glaciers
The last known tropical glaciers in the West Pacific Warm Pool are at risk of disappearing within a decade. The study found that the Puncak Jaya glaciers in Indonesia lost around 1.05 meters of ice per year between 2010 and 2015, with thinning rates increasing five-fold during strong El Niño events.
SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateDec 9, 2019
Subsiding air parcels are among the causes of hot spells
Researchers at Karlsruhe Institute of Technology (KIT) discover that subsiding air parcels from the Atlantic Ocean, rather than hot air from the Sahara, are responsible for extreme hot spells in central Europe. This finding has significant implications for developing early warning systems and improving forecasts.
Combining satellites, radar provides path for better forecasts
Researchers at Penn State combined geostationary satellites and traditional weather radar to create a system that produces the best forecasts for severe thunderstorms. The study found that assimilating satellite and radar data simultaneously leads to the most accurate predictions, with warning times increased by up to 40 minutes.
Persistent drizzle at sub-zero temps in Antarctica
Researchers recorded persistent drizzle at temperatures below minus 13 degrees Fahrenheit in Antarctica, with the presence of low concentrations of airborne particles contributing to its formation. The findings have implications for improving the accuracy of climate models in polar regions.
How aerosols affect our climate
Researchers used a massive NASA dataset to develop a framework explaining the sensitivity of local temperatures to aerosols. The study found that the longwave effect of aerosols is more significant than previously thought, contributing to a smaller terrestrial diurnal temperature range.
Study on climate protection: More forest -- less meat
A recent EU study found that expanding forest areas in Europe can help mitigate global warming by reducing meat consumption and transforming the food system. The research suggests that a minimum of 23% increase in forest area is needed to meet the Paris climate goal, while also ensuring a secure food supply.
SourceKarlsruher Institut für Technologie (KIT)·JournalEnvironmental Research Letters·DateOct 15, 2019
Plugging the ozone hole has indirectly helped Antarctic sea ice to increase
The Antarctic ozone hole's decline has indirectly helped increase sea ice due to altered atmospheric and oceanic circulations. Ozone-induced changes impact sea surface temperatures and dynamics of sea ice.
SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateSep 29, 2019
Model helps choose wind farm locations, predicts output
A team of Penn State researchers developed a model that can accurately predict wind farm energy production and location. The model provides a probability curve for wind production, allowing companies to make informed decisions about investing in wind farms.
Study: Many Tennesseans are misinformed about tornado protection
A study found that many Tennesseans are misinformed about tornado protection, with misconceptions common across the state. Researchers recommend taking tornado warnings seriously and seeking shelter in sturdy buildings or mobile homes immediately upon receiving an alert.
Scientists forecasted late May tornado outbreak nearly 4 weeks in advance
A team of scientists at Northern Illinois University successfully forecasted the nation's extensive tornado outbreak in late May 2019, three to four weeks before it occurred. The prediction used historical weather-pattern records and methodologies to predict severe weather across the continental United States with extended lead times.
Shedding light on dark matter
A team of researchers, led by Hagit Shatkay, is developing computational methods to accelerate discovery in astroparticle physics, a crucial step towards understanding dark matter. By analyzing noisy sensor data from an underground experiment, the team aims to detect and identify dark-matter particles.
Environmental pollution in China begins decreasing
A recent international research study published in Science Advances journal shows that environmental awareness and investments in China over the past decade have led to a weakening of the connection between economic growth and pollution. Despite this progress, major challenges remain, including increasing greenhouse gas emissions.
NASA tracks Tropical Storm Podul's landfall approach to Vietnam
Tropical Storm Podul is expected to make landfall on August 29 in central and north Vietnam. The storm is currently located about 108 nautical miles north of Da Nang, Vietnam, with maximum sustained winds of 35 knots.
Shift to more intense rains threatens historic Italian winery
A centuries-old Italian winemaking tradition is under threat from shifting rainfall patterns, leading to earlier grape harvests and reduced flavor complexity. Intense precipitation events are exacerbating the effects of global warming on premium wines.
Data assimilation method offers improved hurricane forecasting
A new approach developed at Penn State's Center for Advanced Data Assimilation and Predictability Techniques can accurately forecast the intensity and trajectory of Hurricane Harvey. The method uses data from the GOES-16 satellite and Penn State's all-sky radiance technique, which more accurately models hurricanes.
Hotter, wetter, dryer: WVU research forecasts an uptick in extreme weather, temperatures
West Virginia University research predicts a 10-degree spike in average temperature by the end of the 21st century, leading to more frequent droughts, heat waves, and flooding. Increased evaporation due to warmer air temperatures exacerbates these extremes, threatening water security and ecosystem health.
SourceWest Virginia University·JournalJournal of Applied Meteorology and Climatology·DateAug 6, 2019
Ozone threat from climate change
A new study found that rising temperatures due to climate change will increase the number of days with high concentrations of ozone in the Mid-Atlantic region, posing significant health risks. The study, led by Cristina Archer, analyzed nearly 50 years' worth of data and found that near-ground ozone levels can exacerbate respiratory co...
Alternating currents cause Jupiter's aurora
Researchers measured Jupiter's electric current system and found that alternating currents play a crucial role in generating the aurora. The study used data from NASA's Juno spacecraft to derive electric currents and found a total of approximately 50 million amperes, significantly lower than expected values.
Ammonia from agriculture influences cloud formation over Asia
Scientists found that crystalline ammonium nitrate forms in the upper troposphere during the Asian monsoon, significantly influencing cloud properties. The aerosol's impact on climate models is a major uncertainty, but this discovery improves our understanding of interactions between clouds and aerosols.
Conceptual model can explain how thunderstorm clouds bunch together
Researchers at the University of Copenhagen have developed a conceptual model that explains how thunderstorm clouds form dense clusters, influenced by solar irradiation and ocean temperatures. This phenomenon can impact climate change predictions and extreme weather events.