Articles tagged with Cyclones
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The 106th Annual Meeting of the American Meteorological Society will focus on the intersection of technology and human decision-making in weather, water, and climate sciences. The meeting will feature keynote presentations, Presidential Sessions, and named symposia highlighting key Earth science topics.
Researchers investigate how adjacent cities exacerbate each other's heat island effects. A study also highlights the need for improved hindcasting infrastructure in climate science. Additionally, a campaign monitors pinned clouds over industrial sources of heat and finds that trees are more reliable against heat stress than buildings.
Researchers identify unique interannual variability in East China Sea summer precipitation, distinct from Western North Pacific subtropical high. Local cyclonic anomaly plays key role in promoting enhanced precipitation over the ECS.
A new study estimates that tropical cyclones cause the death of 850,000 children under five from 2000 to 2020. The research found a significant link between cyclone exposure and child mortality, emphasizing the urgent need for disaster preparedness in vulnerable regions.
Researchers analyzed decades of global weather data to show that African easterly waves strengthen and produce more thunderstorms during La Niña years, impacting local weather patterns and Atlantic hurricane activity.
A new model incorporates rainfall and storm surge, leading causes of hurricane deaths. The proposed scale aims to improve evacuation decisions by providing a more accurate picture of the storm's severity.
A new AI system developed by the University of Miami Rosenstiel School can automatically identify and track tropical easterly waves, separating them from other tropical wind patterns. The model combines historical observations with reanalysis data to produce accurate real-time forecasts.
A new study published in the American Journal of Agricultural Economics found that tropical systems significantly impact crop insurance premium rates in the Mid-South region. The researchers analyzed data from Arkansas, Louisiana, and Mississippi, which are more prone to hurricane damage due to their proximity to the Gulf of Mexico.
Researchers found that indirect effects of tropical cyclones contribute more than twice the direct effect to rainfall during the Habagat season, with 51.5% coming from the monsoon itself. This new understanding can improve extreme weather anticipation and disaster response.
Researchers at Uppsala University predict that concurrent extreme events will become more frequent due to climate change, posing new challenges for preparedness. The study examines six types of events and finds a sharp increase in combinations of heatwaves and forest fires, as well as heatwaves and droughts, in various regions worldwide.
Researchers developed a new deep learning framework to predict extreme water levels during hurricanes, enabling smarter decisions and potentially saving lives. The framework, LSTM-SAM, analyzes patterns from past storms to make accurate predictions in areas with limited data, using transfer learning techniques.
A new study reveals that even weak tropical cyclones significantly increase infant deaths in low- and middle-income countries. The researchers analyzed nearly 1.7 million child records from seven economically disadvantaged countries, finding an average increase of 11% in infant mortality rates.
A team of researchers developed a machine learning model called Aurora that accurately forecasts various Earth systems, including air quality and tropical cyclone tracks. The model outperforms traditional systems at a fraction of the cost, enabling better preparedness for extreme weather events.
Researchers have discovered that urban areas experience a greater difference in wet bulb globe temperature between 0.5 m and 1.5 m above ground due to surface heat radiation, posing health risks to children and pets during extreme heat events. Total solar eclipses also alter atmospheric conditions and insect behavior, with some species...
Tropical cyclones significantly reduce school enrollment, especially for girls in areas unaccustomed to frequent storms. The study found that exposure to any cyclone at preschool age decreases the likelihood of starting primary school by 2.5%, with a maximum decrease of 8.8% after intense storms.
Research reveals the mechanism behind peak extratropical cyclone activity in spring East Asia, with intensified low-level jet streams facilitating system formation. This understanding can improve climate predictions and adaptation strategies for the region.
Scientists have identified a new reason for UK winter storm clusters, pointing to stronger winds in the Arctic stratosphere. This research reveals that an intense swirling vortex of winds miles above the Arctic can make severe winter storms more likely, and may offer early warnings for forecasters up to a month before they happen.
Researchers analyzed tropical storm-related precipitation to understand its impact on local water resources and provide insights into climate predictions. The study aims to help communities prepare for extreme storms and manage water resources before and after the storms.
The 105th Annual Meeting of the American Meteorological Society will address key issues in weather, water, and climate. The meeting features a Presidential Forum on physical, social, cultural, and economic impacts of climate change, with experts from the region of the Mississippi River Delta.
When two tropical cyclones collide in the Indian Ocean, they can intensify considerably, leading to extreme interactions between the ocean and atmosphere. The study found that effects occurred that have only been observed with much stronger cyclones, including a cooling effect of three degrees Celsius and upwelling of deep water masses.
Researchers estimate the dollar value of weather information to be over $100 billion, highlighting its significant economic impact. The study also explores lightning suppression and a unique 'storm generator' technology that can create thunderstorms in Chinese desert.
Research explores changes in global precipitation patterns and how they relate to climate change. Bird nests are found to predict rainfall in rural India, while heat stress is increasing in the southeastern US, particularly at night. European 'bomb' storms may intensify due to warming climate.
Researchers analyzed NASA satellite images of Jupiter's cyclones and found that storms are fueled by processes similar to those on Earth. Fronts in the space between cyclones also contribute to energy transport, sustaining giant storms.
Experts from the University of Birmingham have devised a blueprint for efficient evacuation of elderly people in flood-threatened cities. The study highlights significant differences in evacuation patterns between Shanghai and New York City, emphasizing the need for risk-informed planning to protect vulnerable populations.
A new study found that Tanna's forests showed remarkable recovery after Cyclone Pam, with high resprouting and widespread recruitment of most tree species present. Customary stewardship practices appear to augment the capacity for resilience by promoting a diversity of tree species and life histories.
A team of researchers used trail cameras and GPS collars to track the effects of Cyclone Idai on Gorongosa National Park's mammal community. They found that body size was a key predictor of survival, with smaller animals more vulnerable to the storm's impact.
The State of the Climate report confirms record highs in greenhouse gas concentrations, global sea levels, and ocean heat content. Scientists from over 60 countries contributed to the annual review, providing a comprehensive update on Earth's climate indicators and notable weather events.
The strongest Arctic cyclone ever observed poleward of 70 degrees north latitude caused a 30% greater loss of sea ice than previous records, with waves reaching up to 100 kilometers towards the center of the ice pack. Researchers suggest that existing models underestimate the impact of big waves on ice floes in the Arctic Ocean.
Researchers study links between cyclones and forest fires, finding that cyclones can create conditions ripe for fires by damaging trees and altering microclimates. As climate change increases cyclone intensity, the risk of wildfires in previously fire-resistant ecosystems like rainforests grows.
A new University of Toronto study finds an additional 514 deaths should be added to the official Hurricane Maria death toll due to displaced Puerto Ricans in the US. The study suggests undercounting and highlights the need for equitable disaster preparedness and cross-jurisdiction data sharing.
A powerful Mongolian cyclone developed into a typhoon-strength storm due to favorable topography and low-frequency circulation conditions. The study found that the downward transfer of eddy kinetic energy played a key role in strengthening the cyclone.
Researchers at Lancaster University have created a camera-like device that captures images of mini whirlpools in quantum liquids for the first time. The camera uses particle-like disturbances to take pictures of collections of vortices, which are unpredictable and form in specific patterns above a vibrating wire.
A new study projects that climate change will more than double the frequency of intense tropical cyclones globally by 2050, increasing maximum wind speeds by up to 20%. This will disproportionately affect low-income countries and regions that are not currently prone to these events.
A new proposed scheme has been developed to seamlessly detect cutoff lows and preexisting troughs in a consistent and integrated manner. The scheme uses an automated numerical approach to extract the locations, intensities, and sizes of these features from snapshot upper tropospheric weather map data.
Researchers found that stronger hurricanes trap and transport more birds due to their intense winds and thunderstorms. The study used radar data from 33 Atlantic hurricanes between 2011 and 2020, revealing a correlation between hurricane intensity and the presence of birds within the eye.
A new machine learning approach has been developed by researchers at the Department of Energy's Pacific Northwest National Laboratory to improve hurricane intensity predictions. The model uses artificial intelligence techniques and can run on a commercial laptop, offering more accurate forecasts than existing models. It also enables th...
Researchers developed a new method to quantify cyclones' influence on atmospheric circulation, improving climate projection accuracy. This approach allows for finer details to be revealed in patterns of cyclones and anticyclones.
A University of Tsukuba study found that Japan's south foehn is driven by dynamic mechanisms, not thermodynamic effects. Dangerously hot windstorms occurred when a typhoon was present, highlighting the need for predictive models to mitigate harm.
A recent study published by University of Alaska Fairbanks researchers found that sea ice declined 5.7 times faster than normal during the Great Arctic Cyclone of 2016. The rapid decline was driven by cyclone-triggered processes within the ocean, including warm water upwelling and surface turbulence.
A new study by the Wildlife Conservation Society addresses the impacts of COVID-19 and Cyclone Harold on Indo-Fijian small-scale fishers. The research highlights the need to prioritize vulnerable groups in economic recovery efforts, as they are disproportionately affected by the pandemic and natural disasters.
A new study analyzes the relationship between the Mongolian cyclone and the South Asian high, finding that their coupling accounts for 66% of seasonal rainfall anomalies in China. The research suggests that enhancing summer rainfall forecast skill in China can be achieved by analyzing these phenomena in the upper-level atmosphere.
Post-Tropical Cyclone Beta is covered in clouds stretching from Mississippi to the Carolinas, according to NASA imagery. The storm was moving slowly northeast and had decreased in pressure and wind fields by September 25.
Post-tropical cyclone Teddy was located near latitude 51.0 degrees north and longitude 57.3 degrees west, with maximum sustained winds of 50 mph and a central pressure of 975 millibars. The storm moved closer to the northwestern Newfoundland coast overnight before merging with an extratropical low-pressure area.
Tropical Depression Vicky is a shadow of its former self, devoid of precipitation around its low-level center. The cyclone's strengthening wind shear has caused it to weaken and become a remnant low later today.
A numerical model recreates Jupiter's polygonal vortex patterns, revealing the importance of shielding and vortex depths. The study suggests that further research is needed to understand why these patterns persist on Jupiter but not on other large gas giants.
Research reveals that cyclones can cause significant damage to coral reefs as far as 1000 kilometres away from their paths. The study found that Scott Reef lost 50% of its Porites corals and virtually all its Acropora coral species due to Cyclone Lua's high seas.
A new study by Yale researchers finds that natural disasters can trigger catastrophic domino effects through urban trade networks, with secondary economic impacts often exceeding local costs. Regional cities most vulnerable due to dependence on industrial supplies and limited suppliers.
University of Queensland researchers combined quantum liquids with silicon-chip technology to study turbulence for the first time. This breakthrough allows observation of nanoscale quantum turbulence, mirroring cyclone behavior, and provides a new way to understand turbulent dynamics.
Typhoon Fengshen strengthened from a tropical storm to a typhoon with an eye, producing deep convection and strong thunderstorms. The storm made landfall near Japan's Iwo To Island, expected to weaken over the next five days.
Cyclone Hikaa is located near latitude 19.9 degrees north and longitude 58.4 degrees east, just 38 nautical miles southwest of Masirah Island. The storm is approaching landfall in Oman near Duqm with gusty winds and heavy rainfall.
Hurricane Dorian brought heavy rainfall totals of over 36 inches to the Bahamas and an area off northeastern Florida, with smaller amounts affecting the US East Coast. The storm also caused wind damage and power outages in eastern Canada.
Flossie has weakened into a remnant low-pressure area, with scattered areas of cold clouds in thunderstorms and cloud top temperatures reaching -50 degrees Fahrenheit. The system is moving northwestward and expected to dissipate by Wednesday.
Post-Tropical Cyclone Barry is moving towards the east-northeast near 22 mph, with a center of circulation located about 90 miles northeast of Indianapolis. The storm is expected to produce flash flooding and additional rain accumulations in the Upper Ohio and Upper Tennessee Valleys
A recent study published in Journal of Climate confirms that the Tibetan Plateau plays a key role in enhancing East Asian summer monsoon circulation under global warming. The study found that enhanced latent heating over the plateau stimulates cyclone anomalies, leading to stronger southerly winds in East Asia.
A study analyzed data on 2,000 coastal communities in 23 countries with substantial mangrove areas, finding that even modest coverage can protect economic activity from cyclones. The analysis estimated a permanent loss of 5.4-6.7 months' worth of economic activity for communities with minimal mangrove coverage.
Subtropical Storm Andrea weakened and dissipated in just two days, losing its subtropical classification before reaching Tropical Storm status. The storm's location 370 km west southwest of Bermuda meant it posed no threat to coastal areas.
Willa's surface circulation has dissipated over northeastern Mexico according to NOAA's GOES-West satellite data and surface observations. The remnants of the former hurricane are moving northeast at 28 mph with maximum sustained winds decreased to near 25 mph.
Post-Tropical Cyclone Vicente has weakened to a tropical depression and is bringing heavy rain with life-threatening flash flooding to parts of Mexico. The system's remnants are expected to produce 3-6 inches of rain, leading to landslides and mountainous terrain hazards.
Post-tropical cyclone Leslie made landfall in Portugal, causing power outages and heavy rainfall, with the storm's remnants later affecting southern Spain and western Italy. NASA's Suomi NPP satellite captured images of the disorganized low-pressure system, which was visible over the Iberian Peninsula.
Research scientists at NYU Abu Dhabi have identified a new mechanism by which warm dust travels from the Sahara Desert to the Arctic Circle, affecting rising temperatures and ice melt in Greenland. The polar jet and associated atmospheric circulation play a crucial role in transporting mineral dust from the Sahara desert to the Arctic.