Articles tagged with Rain
Tropical Cyclone Idai is approaching the coast of Mozambique with cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating powerful thunderstorms. NASA's Terra satellite captured infrared data showing Idai's eye is about 20 nautical miles wide, with maximum sustained winds near 103.6 mph.
A global study reveals that modern coal-fired power stations emit more ultrafine dust particles than road traffic, modifying and redistributing rainfall patterns on local to regional scales. This can lead to extreme weather events, including intense rain and dry conditions.
Global crop-growing regions will experience changes in rainfall patterns by 2040, even if Paris Agreement targets are met. Up to 14% of wheat and maize land will be drier while up to 31% will be wetter.
A new study finds that rain is becoming increasingly common over parts of the Greenland ice sheet, triggering sudden melting events. The researchers estimate that nearly a third of total runoff is initiated by rainfall, leading to more widespread future melting.
A new technique uses Liebig's Law to improve estimates of historical temperature and rainfall from tree rings. The method selects trees that were growing well, linking their growth to the climate they experienced, resulting in more precise measurements.
Researchers found seasonal variations in raindrop size distribution in East China, with summer having larger raindrops and higher mean rain rates. These findings have implications for microwave communication, radar, and satellite remote sensing, as well as numerical weather prediction models.
A new study found that giraffes living near human settlements have larger home ranges than those living far from towns, while areas with more rain have smaller home ranges. This suggests that humans are impacting giraffe habitat and forcing them to travel longer distances to access critical resources.
Tropical Cyclone Pola has shown strong storm characteristics, indicating a high risk of heavy rainfall. The storm is expected to strengthen and reach peak strength as a tropical storm on Feb. 27.
New research reveals that regions with higher rainfall variability are more resilient to current and future climate disturbances. However, the Amazon's ability to cope with climate change is still uncertain due to ongoing forest clearance and policy issues.
A recent study published in PNAS revealed that raindrop impact can transport rust spores using tornado-like air vortices, enabling long-distance pathogen spread. This discovery has significant implications for preventing disease spread in wheat crops and may inform new strategies for managing disease.
A study by Joep Schyns et al. estimates limits to green water availability due to limited annual rainfall, affecting global food and production systems. The analysis reveals that green water scarcity is a significant concern, particularly in regions with low rainfall.
NASA's Aqua satellite uses infrared analysis to track Tropical Cyclone Oma's strongest storms, finding cloud top temperatures as cold as -63 degrees Fahrenheit. The storm is expected to weaken due to increased wind shear and cooler sea surface temperatures.
Researchers reconstructed past rainfall patterns in south-east Queensland using preserved paper-bark tea tree leaves from North Stradbroke Island, finding a generally wet period around 5000-6000 years ago. The study suggests that the probability of a drought worse than the Millennium Drought may be as much as 10 times higher.
Tropical Cyclone Funani's strongest rains wrapped around the center and extended northwest, with heaviest rainfall found around the center and a fragmented band of thunderstorms northwest. Rainfall rates reached up to 13 mm per hour, as the storm continued to move southeast towards Mauritius.
A new study reveals that sea snakes in dry regions rely on freshwater lenses formed on the ocean's surface to quench their thirst. Researchers found that only a portion of the captured snakes accepted the offered freshwater after rainfall began.
A new definition for the Northeast Indian Monsoon (NEM) season has been established using surface temperature analyses, identifying the average onset and demise dates as November 6 and March 13. This definition provides a more objective and reliable approach to monitoring the monsoon season, which is critical for millions of people in ...
A new study published in GSA Today reveals that Hurricane Maria triggered more than 40,000 landslides in at least three-fourths of Puerto Rico's municipalities. The study assesses the factors contributing to these extreme events and aims to enhance landslide susceptibility analyses and risk management efforts.
Bats use rain noise as a salient informational cue to inform their decision making about emerging from roosts. This study shows that noise can be beneficial for animals, providing important information about their environment and when it's safe to hunt.
Tropical Storm Funani is experiencing heavy rainfall southwest of its center, with rain falling at a rate of 1.2 inches per hour. The storm is rapidly strengthening and will intensify to 105 knots within two days before weakening.
A new scale has been developed to characterize the strength and impacts of atmospheric rivers, which can deliver heavy precipitation to the Western United States. The scale assigns five categories to atmospheric rivers based on the amount of water vapor they carry and their duration in a given location.
A recent study found that early spring rainfall warms up thawing permafrost bogs in Alaska, promoting plant growth and increasing methane emissions. The team discovered a 30% increase in methane production compared to previous years, highlighting the sensitivity of these regions to thermal effects.
Researchers discovered a global pattern of extreme rainfall teleconnections linked to jetstreams, which could enhance weather forecasting and damage mitigation. The study's findings have practical relevance for improving predictions of extreme rainfall events.
Researchers have discovered global connections in extreme rainfall events, which could lead to better forecasts and more accurate climate models. By analyzing satellite data, the team found that extreme rainfall events are connected across the world through atmospheric patterns.
A new study from the American Geophysical Union confirms evidence of rainfall on Titan's north pole, providing insight into the moon's changing seasons. The findings suggest that sunlight reflecting off a wet surface likely resulted in the observed reflective feature.
Researchers tracked changes in river discharge, ocean stratification, and planktonic foraminifera oxygen isotopes to analyze past monsoon strength. Abnormally strong winter precipitation occurred around 4.5-4.3 thousand years ago, followed by a minimum at 4.1 thousand years ago.
Tropical Cyclone Kenanga is weakening due to dry air within the storm. The GPM satellite captured the storm's eye filling in and powerful storms south of its center producing heavy rainfall.
A team of researchers has successfully detected rain over the ocean using GNSS Reflectometry, a technique that measures sea surface roughness to infer precipitation. This innovation could provide unprecedented temporal resolution and spatial coverage for monitoring atmospheric precipitation.
Tropical Cyclone Kenanga generated powerful thunderstorms reaching high into the troposphere, resulting in extreme rainfall as confirmed by NASA's Global Precipitation Measurement mission. The heaviest rainfall was found in the storm's southeastern quadrant, with rates exceeding 161 mm per hour.
Seismic activity near Oroville Dam was related to reservoir discharge altering pressure on underlying rock fractures, causing them to open and close. The events occurred for decades prior to the dam's spillway failure and continued after it.
Tropical Cyclone Kenanga strengthened into a tropical storm over the Southern Indian Ocean, with rainfall rates reaching up to 119 mm/h. NASA's Aqua and GPM satellites captured detailed data on rainfall, temperature, and storm structure.
Researchers found that warmer winters mean more ice on the ground due to increased winter rain, posing challenges for Arctic wildlife and ecosystems. The formation of basal ice can kill plants and starve animals, while rain-on-snow events can lead to avalanches.
Research found that global water supplies are shrinking as soils dry out due to climate change, leading to drought-like conditions. Despite intense rain, large rivers are drying out, and urban flooding is becoming more common.
Tropical Cyclone Owen has intensified over the Gulf of Carpentaria, with NASA's GPM satellite detecting extremely heavy rainfall rates up to 97 mm/h in the Arafura Sea. The storm is expected to continue strengthening and potentially reach Category 4 intensity by Friday.
A new study reveals that regions worldwide are experiencing more extreme weather events, with heavy rainfall in North America and Europe, while Africa sees an increase in droughts. The study suggests that human-caused climate change is driving these changes, with significant impacts on people's livelihoods.
NASA's GPM mission provided detailed data on rainfall rates within Tropical Cyclone Owen's remnants as they approached the Queensland coast. The satellite's instruments revealed intense rainfall rates of over 32.4 mm/h and 52 mm/h in feeder bands, indicating a potentially intensified cyclone.
Heavy precipitation fell in California wildfire areas, causing evacuations and flash floods, with IMERG data showing rainfall totals between 6.3-9.4 inches in north central California.
Tropical Cyclone Owen formed in the Southern Pacific Ocean and produced heavy downpours, with rain rates reaching over 53 mm/hour near its center. The GPM satellite captured powerful storms on the eastern side of the cyclone, dropping rain at a rate of over 94 mm/hour
NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) data revealed that Tropical Storm Usagi dropped moderate to heavy rain along its path in Southeast Asia. The analysis showed the storm produced over 350 mm of rainfall in Vietnam, causing widespread flooding around Ho Chi Minh City.
Researchers found that unexpected positive outcomes in cities, such as sports wins or sunny days, are correlated with a change in city mood and an increase in citizens taking risks like gambling. This effect is subtle but significant, with a predicted 2.5% increase in spending on gambling in reactive neighborhoods.
Tropical Storm Man-yi has a small area of heavy rain northeast of its center, with precipitation rates exceeding 30 mm/h, according to NASA's GPM mission. The storm is expected to maintain strength and eventually transition into an extra-tropical cyclone by Nov. 28.
Tropical Storm Man-yi showed a small area of intense rainfall northeast of its center due to moderate wind shear. The storm is expected to transition into an extra-tropical cyclone by Nov 28, maintaining strength for another day.
The GPM satellite has observed light rain occurring throughout the eastern half of Tropical Depression 33W, with heavy rainfall concentrated near the storm's center. The depression is moving west-northwest and will later enter the South China Sea.
Researchers analyzed data from over 185 ground stations and found that half of the world's measured precipitation falls within a 12-day period, set to become even more skewed under climate change. This uneven distribution could lead to increased flooding and damage associated with extreme weather events.
A recent study published in Scientific Reports found that heavy rainfall in the Atacama Desert wiped out most microbe species, contradicting expectations of floral blooms. The research has implications for our understanding of microbial life on Mars and suggests that sudden water exposure can be lethal to microorganisms.
Researchers recreated Hurricane Harvey using computer models and weather data, finding that urbanization led to a wetter hurricane with higher flood peaks and more damage. The study highlights the need to consider urban development when calculating hurricane risk and preparing for hurricane damage and recovery.
Researchers found that recent hurricanes like Katrina, Irma, and Maria experienced increased rainfall of 5-10%, while projected future storms could have even more intense rainfall and stronger winds. A warmer climate may also alter storm structures, with the inner part robbing moisture from the outer edges.
Recent rainfall in the Atacama Desert has caused widespread devastation among local microbial species, with 85% extinction rate reported. This study provides crucial information for understanding the microbiology of extremely arid environments and its implications for the search for life on Mars.
A new study by University of Colorado Boulder geoscientists sheds light on the hidden world beneath our feet, revealing how rainfall affects the depth of the critical zone. The researchers found that a shallow critical zone forms under dry conditions, while a thick one forms in wet conditions.
The Global Precipitation Measurement mission provided detailed insights into Tropical Cyclone Alcide's heavy rainfall, revealing convective storms dropping rain at rates of over 255 mm/h. The satellite data showed the most powerful storms were located in the western eye wall, reaching heights above 16 km.
A new study found that climate change drove the Harappans to resettle in smaller villages in the Himalayan foothills. The research, led by Liviu Giosan, suggests that changing weather patterns made agriculture difficult near cities, leading to a massive migration.
Tropical Storm Xavier weakened to a remnant low pressure area on Nov 6, 2018, with strong southwesterly vertical wind shear observed. The GPM core satellite analyzed the storm's precipitation structure, revealing powerful convective storms reaching altitudes of up to 11.1 km.
Tropical Storm Xavier has strengthened in western Mexico, bringing heavy rainfall and potentially severe flooding to the region. The storm is expected to weaken over the next few days, but not before producing significant swells along the southwestern coast.
Hurricane Oscar has transitioned into an extra-tropical low pressure area, characterized by a loss of tropical characteristics and poleward displacement. The storm is expected to bring winds and rain to Ireland over the weekend of Nov. 3 and 4.
Tropical Storm Yutu produced heavy rainfall over Luzon in the Philippines, but analysis from NASA's Global Precipitation Measurement mission showed little rainfall near its center of circulation. Heavy rainfall was found in powerful storms northwest and southeast of Yutu's center, with rates exceeding 183 mm/hour.
CloudSat flew over Typhoon Yutu on October 28, 2018, revealing a cirrus-free eye with an outward sloping eyewall. The storm was weakening due to unfavorable atmospheric conditions. The satellite's radar captured intense areas of convection and cloud-free areas underneath the northern portion of the cirrus canopy.
Typhoon Yutu's heavy rainfall was revealed by NASA's GPM satellite, affecting an area the size of Luzon. The storm's southwestern eye wall showed extreme precipitation falling at over 178 mm per hour.
Hurricane Willa produced heavy rainfall totals over 20 inches in the Pacific Ocean off Mexico's coast, with 15 inches in parts of Mexico and Southeastern Texas. NASA's IMERG data analysis revealed these extreme rainfall accumulations using satellite data from the GPM Constellation.
A University of Oklahoma meteorologist predicts severe droughts and intense rainfall events will become more frequent and long-lasting worldwide. The study, published in Geophysical Research Letters, uses standardized rainfall indices to compare event characteristics between regions and seasons.
Super Typhoon Yutu made landfall as the strongest storm to hit any part of the US this year, with peak rain rates of up to 269 mm/hr. The GPM satellite revealed an almost perfect ring of heavy to intense rain, indicative of an extremely powerful storm.
NASA's GPM satellite captured the eye of Super Typhoon Yutu passing over Tinian, with maximum sustained winds reaching 180 mph. The storm also brought extremely heavy rainfall, causing flash floods and potentially deadly surf conditions.