Articles tagged with Rain
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Tropical Cyclone Yvette formed in the Indian Ocean with intense thunderstorms and heavy rainfall rates of over 127 mm per hour. The GPM satellite revealed the 3D structure of precipitation in storms near the center of circulation, with some storm tops reaching altitudes above 17 km.
A recent review by Renguang Wu examines the relationship between Indian and East Asian summer monsoons, highlighting a weakening of historically strong correlations. The study focuses on two pathways connecting Indian summer monsoon anomalies to East Asian rainfall fluctuations.
Tropical Cyclone Vardah produced heavy rainfall in the Bay of Bengal and Arabian Sea, with estimated totals ranging from 300-500 mm. The Global Precipitation Measurement mission detected intense storms with rainfall rates exceeding 101 mm/h, indicating a lifetime of heavy precipitation.
A new, fully-automated rainout shelter has been developed to enable precise testing of crop varieties for their tolerances to water stress. The shelters use a portable solar power system and customizable features like rain sensors and surveillance cameras.
NASA's Global Precipitation Measurement mission provided detailed images of Tropical Cyclone Vardah's cloud cover and heavy rainfall rates before it made landfall. The storm weakened to a remnant low pressure area over southern India, bringing heavy rainfall warnings for affected regions.
Research highlights the role of oceans in climate variability and how year-to-year weather variations are impacted by anthropogenic factors. The study suggests that reduced predictability will hinder seasonal weather forecasts, affecting agriculture and energy sectors.
NASA's Suomi NPP satellite captures a visible-light image of the storm, showing bands of thunderstorms around its low-level center. Tropical Cyclone Vardah brought hurricane-strength winds of 86.3 mph to areas in Tamil Nadu and Andhra Pradesh.
Tropical Cyclone Vardah is moving west-northwest across the Bay of Bengal, threatening eastern India. The storm's maximum sustained winds reached 52 mph with gusty winds and rainfall affecting the Andaman Islands.
A new study finds that extreme precipitation events could increase across the US due to climate change. The research suggests that summertime storms producing extreme downpours may increase by as much as 400 percent, leading to more frequent and intense flash floods.
Research identifies mesoscale convective systems as primary cause of increased heavy rainfall in the region. The study found a significant increase in the frequency and duration of these storms over the past 35 years.
The GPM core satellite gathered data on severe storms that impacted the southeastern US, resulting in at least seven fatalities and significant damage. The storms, which included tornadoes, hail, and heavy downpours, affected several states, including Louisiana, Alabama, and Tennessee.
Recent studies investigated two local heavy rainfall events in Beijing Metropolitan Region, revealing that cold pool outflows and urban surface played key roles. The development of convective storms was facilitated by a favorable convergence zone near the border of northwestward-concaved valleys and urban surfaces.
Research in southern China reveals a relationship between tropical cyclones and summer monsoons, impacting regional rainfall patterns. The study separates total rainfall into cyclone- and monsoon-induced components to better understand the variability of summer rainfall in the region.
Researchers have found a strong association between El Niáo-Southern Oscillation conditions and observed weather in Sri Lanka, leading to exacerbated dengue epidemics. The study used the Oceanic Niño Index to quantify data associations and found an increasing relative risk of dengue with increasing rainfall and temperatures.
Heavy rainfall over Hispaniola led to widespread flooding in the northern Dominican Republic, with rainfall totals exceeding 230 mm. NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) data revealed the extent of the flooding, which was caused by slow-moving frontal systems and a tropical wave.
Researchers have developed a formula to understand where quantum objects land when transmitted, offering insights for controlling open quantum systems. The formula suggests that 'rain gutters' and 'gates' can be engineered to manipulate quantum objects, either after they land or during their flow.
Researchers discovered that cholera follows distinct outbreak patterns in different climate subzones of Cameroon, with varying relationships between rainfall, temperature, and disease transmission. Locally targeted interventions are necessary to control the spread of the disease, according to the study's findings.
A new study challenges the understanding of subtropical rainfall decline in response to increased greenhouse gases. Researchers found that land will warm faster than oceans, leading to less severe impacts on people living in these regions.
Tropical Storm Tina rapidly formed and weakened off Mexico's southwestern coast, with maximum sustained winds decreasing from 40 to 35 mph by Nov. 14.
Tropical cyclones have formed frequently in the Western Pacific since July 2016, with 36 named storms emerging in under five months. NASA’s Global Precipitation Measurement mission observed Tropical Depression Ma-on forming on November 10, 2016, with heavy showers and strong convective storms.
A recent study used a convective-permitting ensemble forecast system to evaluate the extreme rainfall event on July 21, 2012, in Beijing. The results showed that some members of the ensemble forecasting system captured the extreme prediction reasonably well, including the timing and location of extreme precipitation.
A comprehensive study of Australian natural hazards finds increasing heatwaves and extreme bushfires, but uncertain projections for storms and rainfall. Temperature-related hazards are projected to become more extreme, while others may see increased frequency or intensity, with complex interlinkages between climate extremes.
D.J. Seo and his team aim to enhance National Weather Service rainfall maps for heavy-to-extreme events, benefiting emergency managers, water managers, and the public.
A study published in Nature reveals that atmospheric aerosols above the Amazon rainforest originate from nanoparticles formed in the upper atmosphere. These particles are transported to the ground by clouds and rain, forming new populations of aerosol particles that act as cloud condensation nuclei.
Hurricane Seymour became a major hurricane on Oct. 25, with heavy rainfall and a 3-D image of its structure provided by the Global Precipitation Measurement mission. The storm is moving toward the west-northwest at 15 mph, with expected weakening and rapid decline in forward speed.
A new study has found that features in animal teeth can detect unfavourable weather conditions, such as long dry periods or heavy rains. This method, known as reverse engineering, allows researchers to infer annual rainfall and average temperatures from fossil records, providing valuable information about past environmental conditions.
Researchers from DOE's Brookhaven National Laboratory tracked particles in the Amazon rainforest, studying how natural particles form clouds. In the absence of industrial emissions, particles are carried down by rainfall and condense into nuclei for cloud formation.
A team of researchers, including a Pitt University expert, analyzed core samples from Lake Malawi to find that the continent has experienced a 100,000-year cycle of wet and dry conditions, contrary to previous studies that suggested it was drying. The findings shed new light on human evolutionary theory and the savannah hypothesis.
Typhoons Sarika and Haima brought extraordinary rainfall to the northern Philippines, with over 500mm of rain recorded by NASA's IMERG data. The storms also generated heavy winds and flooding, causing power outages and mudslides.
The Global Precipitation Measurement mission captured heavy rainfall rates within Hurricane Nicole's eye, with strong storms dropping rain at a rate of over 113 mm per hour. The satellite also analyzed the storm's top heights, finding powerful storms reaching only about 12 km in height.
Hurricane Matthew's heavy rainfall caused widespread flooding and deaths in North Carolina, with rivers still rising on Oct. 12. The NASA rainfall analysis used IMERG data to estimate the storm's total rainfall, which was over 20 inches in some areas.
A new study from Cardiff University found that climate change is unlikely to increase landslide frequency in storm-affected areas, despite projected increases in rainstorms. The research challenges current theories and highlights the importance of soil accumulation on steep hillslopes in triggering landslides.
Hurricane Matthew made landfall in western Haiti on October 4, with NASA tracking its movements and intensity. The storm's maximum sustained winds reached near 145 mph, making it a category 4 hurricane on the Saffir-Simpson scale.
Heavy rainfall from Hurricane Matthew has been detected by NASA's Global Precipitation Measurement mission, with rates reaching over 6.4 inches per hour in some areas. The storm is expected to cause devastating torrential rainfall as it moves slowly over Haiti.
NASA's Aqua satellite detected cold cloud top temperatures near minus 27.6 degrees Fahrenheit over Arizona and New Mexico. The post-tropical cyclone's remnants brought heavy downpours, causing flash flooding and mudslides, as the storm weakened overnight.
Post-Tropical Cyclone Hermine was still producing light to moderate showers with maximum sustained winds of about 58 mph as it rotated in the Atlantic Ocean. NASA's Global Precipitation Measurement mission detected heavy rainfall rates exceeding 1.1 inches per hour in various areas of the storm.
Hurricane Newton is expected to bring strong winds and heavy rains to Baja California Sur, Mexico, with total rain accumulations of 8-12 inches. The storm's trajectory suggests it will pass over the Gulf of California late this afternoon or evening.
A recent study from the University of California, Davis, found that coastal development and precipitation increase the risk of disease-causing organisms flowing to the ocean. The study tracked the parasite Toxoplasma gondii, which can shed infective egg-like structures in soil, freshwater, and seawater.
Hurricane Hermine made landfall near Saint Marks, Florida with 80 mph winds, and then moved into Georgia where it weakened to a tropical storm. The NASA/NOAA GOES Project created an animation showing the development of Hermine into a hurricane during the afternoon of Sept. 1.
Satellites show Hurricane Madeline has weakened from a Category 4 storm to a Category 1 storm as it approaches Hawaii. The storm is expected to bring tropical storm conditions, heavy rainfall, and storm surge to the islands, with the potential for dangerous flash floods and mudslides.
The Global Precipitation Measurement mission tracked Hurricane Lester as it continued through the Eastern Pacific Ocean, showing extremely heavy rainfall rates of over 7.1 inches per hour. The satellite also revealed a strong hurricane with maximum sustained winds near 140 mph and estimated minimum central pressure of 948 millibars.
A new study found that thunderstorms in the southern United States transport significant amounts of mercury to the ground, with concentrations 50% higher than other rain events. Researchers matched rain samples to weather data and used radar and satellite data to examine storm clouds.
Tropical Depression 9 is bringing torrential rains to western Cuba and issuing a tropical storm watch for parts of the Florida Gulf Coast. Infrared data indicates extremely cold cloud tops, indicating heavy rainfall potential.
Using high-resolution cloud models, researchers uncover the processes taking place in the atmosphere, revealing a 'memory' state of organisation that leads to heavy rain. Collisions between clouds produce heavier rain, contradicting traditional global climate models where convective clouds are seen as independent.
Tropical Depression 8 formed off the coast of North Carolina in the Atlantic Ocean, with NASA's Global Precipitation Measurement mission providing detailed analysis. The depression was predicted to strengthen slowly over the next 48 hours, bringing heavy rainfall and isolated maximum amounts of 5 inches to far eastern North Carolina.
System 99L is a tropical low pressure area located over Hispaniola, producing disorganized shower and thunderstorm activity. Heavy rainfall, flash floods, and mudslides are likely over the region, with conditions becoming more favorable for development early next week.
Tropical Storm Lester, the 12th named storm of the 2016 eastern Pacific Ocean, was analyzed by NASA's GPM core satellite. The storm showed moderate intensity bands of rain curving around its eastern side, with rainfall rates reaching over 54 mm per hour.
A tropical wave is bringing heavy rainfall and gusty winds to islands in the Atlantic Ocean and northeastern Caribbean Sea. The National Hurricane Center predicts that the system could develop into a tropical depression, posing danger to the Bahamas and southeastern United States.
Gaston became a hurricane on Aug. 25 with maximum sustained winds of 75 mph, but heavy rain rates of around 50 mm/h were occurring near the center due to southwesterly wind shear. The storm's trajectory is expected to shift northwestward over the next several days as it battles strong environmental wind shear.
Typhoon Lionrock intensified as it passed over the western edge of its eye, with GPM measuring intense storms and rainfall rates exceeding 222 mm/hour. The typhoon's wind speeds increased to 126.6 mph, making it a category three on the Saffir-Simpson scale.
Tropical Storm Gaston intensified in the Atlantic Ocean with rainfall rates reaching up to 141 mm per hour. The GPM satellite provided detailed measurements of precipitation, cloud heights, and storm tops.
Climate researchers found that global climate models become increasingly uncertain when making predictions at scales below approximately 600 miles for temperature changes and 1200 miles for precipitation patterns. This makes it difficult to predict regional variations, such as the difference in warming between Indianapolis and Pittsburgh.
The Global Precipitation Measurement mission captured data on Tropical Depression Kay's remaining rainfall, which was limited to a small area. The storm had been devoid of deep convection and thunderstorms for about 12 hours when it faded from the record.
A new tropical depression has formed north of Guam, prompting a tropical storm warning for nearby islands. The depression is expected to track northward, bringing strong winds and heavy rainfall to the area.
Tropical Storm Chanthu brought heavy rainfall and gusty winds to northern Japan as NASA's Aqua satellite analyzed the storm's clouds on August 16. The storm is transitioning into an extra-tropical storm and expected to move into the Sea of Okhotsk.
Tropical Depression 6 formed in the far eastern North Atlantic Ocean on August 16, 2016, with NASA and NOAA satellites providing key data. The depression showed signs of organization, with strong rainfall bands and intense showers dropping rain at a rate of over 155 mm/h.
A severe low-pressure system brought intense tropical moisture to the Gulf of Mexico, resulting in record-breaking rainfall totals over southern Louisiana. At least 4 people have died in the floods, which also affected southeastern Mississippi and western Louisiana.
The Global Precipitation Measurement mission gathered extensive rainfall data on Louisiana storms, finding intense rainfall rates of over 3.9 inches per hour and storm tops reaching 9.9 miles high.
The IMERG data revealed the most extreme rainfall fell over the northern Gulf of Mexico, with estimates suggesting 20-35 inches of precipitation. Heavy rainfall and flooding have affected parts of Florida, Louisiana, and the Mississippi Gulf Coast.
A new species of rain frog, named Sleeping beauty rain frog, has been discovered in the Peruvian central Andes. The frog features bright red coloration on its groins, shanks, and thighs, distinguishing it from other related frogs.