Articles tagged with Rain
NASA's GPM satellite detected heavy rainfall east of Tropical Storm Krosa's center, falling at a rate of 50 mm/hour over open ocean. The storm was moving northwest and had maximum sustained winds near 40 knots (46 mph) before strengthening into a typhoon.
A new study from the University of Washington explores how Pacific Ocean conditions contribute to prolonged droughts in the Southwestern US. Researchers found that El Niño events can lead to multi-year droughts if followed by a La Niña event, and that a complex interplay between ocean and atmospheric conditions is at play.
Tropical Storm Francisco is expected to bring heavy rainfall to southern Japan as it approaches landfall. The strongest storms have cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating strong potential for heavy rainfall.
NASA's Terra satellite detected a small area of strong storms northeast of Tropical Depression Flossie's center. The storm had cloud top temperatures as cold as minus 50 degrees Fahrenheit, indicating its strength.
Tropical Storm Lekima was formed on August 4 as Tropical Depression 10W, strengthening into a tropical storm on August 5. NASA's Aqua satellite analyzed the storm, finding cloud top temperatures of strongest thunderstorms as cold as or colder than minus 63 degrees Fahrenheit.
Tropical Storm Erick's center was located near latitude 16.8 degrees north latitude and 157.4 degrees west longitude using data from NASA satellites, including Aqua and Suomi NPP. The storm is forecast to weaken into a tropical depression by Sunday, with potential for heavy rainfall and dangerous surf conditions in the Hawaiian Islands.
Hurricane Erick is a small storm with strong thunderstorms holding on, but expected to significantly weaken as it passes Hawaii. The National Hurricane Center forecasts Erick's winds will be 200 miles from the islands.
NASA used satellite data to analyze Hurricane Erick's rainfall rates and cloud temperatures, revealing coldest cloud top temperatures as cold as minus 63 degrees Fahrenheit. The heaviest rainfall was found near the northern eyewall of the storm's center, with rates exceeding 40 mm per hour.
A new study from the Johns Hopkins Center for Communication Programs found that net use increases during rainy seasons and decreases in the dry season. This seasonal variation in net use can lead to gaps in malaria prevention efforts if not taken into account.
Tropical Storm Dalila strengthened after NASA's Aqua satellite detected reduced wind shear, enabling stronger storms to form around its center. The storm is now forecast to weaken by Thursday and potentially degenerate into a remnant low.
Monsoon rain storms have become more intense in the southwestern United States, with a 6-11% increase in rainfall intensity since the 1970s. Climate change is attributed to these changes, as temperatures in the region have risen by 0.4 degrees F per decade.
Tropical Depression 3 formed off central Florida's eastern coast, generating heavy rainfall northeast of its center. The Global Precipitation Measurement mission found rain falling at a rate of 25 mm/hour in this area.
Researchers analyzed a 120-year data set to confirm climate change's impact on precipitation events and floods. The study found six of seven highest precipitation events occurred within the last 20 years, with three storms resulting in abnormally large floods.
Researchers found that volcanic eruptions in one hemisphere reduce monsoon rainfall in the same hemisphere, while enhancing it in other hemispheres. This phenomenon is attributed to changes in atmospheric circulation, which play a dominant role in rainfall responses.
NASA's GPM core satellite analyzed Barry's rainfall rates several hours after it made landfall on the coast of Louisiana. Heavy rain bands were revealed by the data, with rainfall rates exceeding 10 mm/hour in some areas. The storm brought heavy rains and flooding to the mid-Mississippi Valley as it moved through the region.
Researchers found that species already adapted to hot climates may actually benefit from increased rainfall. The study discovered a boom in the population of aggressive sugar-feeding ants with every rapid increase in rainfall.
Tropical Storm Barry moved slowly north through Arkansas and Louisiana, causing widespread flooding along the Mississippi River. The storm dropped up to 15 inches of rain in some areas, with local flash flooding remaining a likely threat.
NASA analyzed cloud top temperatures in Tropical Storm Barry, indicating the storm's strength. The Aqua satellite found coldest cloud tops with temperatures near minus 80 degrees Fahrenheit, indicative of strong storms capable of generating heavy rainfall.
Tropical Storm Barry is expected to make landfall in south-central Louisiana, bringing heavy rainfall and strong winds. The storm's cloud top temperatures indicate a high level of organization, suggesting heavy rainfall potential.
NASA's ARIA team created a flood proxy map using satellite data from the ALOS-2 satellite, depicting areas of Louisiana likely flooded due to heavy rain and Tropical storm Barry. The map can be used as guidance to identify potentially flooded areas, but its reliability is limited over urban and vegetated regions.
The GPM Core Observatory captured estimates of rainfall rates within Tropical Storm Barry, with storm top heights reaching up to 18 kilometers. Flooding due to heavy rainfall is the primary threat, with intense thunderstorm activity expected to strengthen the storm.
The study used machine learning to analyze data on Hepatitis E epidemics and environmental statistics, identifying areas with high risk of transmission. The researchers hope their map will inform prevention campaigns in high-risk regions, such as northern India.
Satellites analyzing developing gulf potential Tropical Cyclone Two have predicted heavy rainfall and storm surge for the central Gulf Coast. The system is forecast to strengthen into a tropical depression on Thursday morning and a hurricane by Friday.
Researchers found that the soil in Chaco Canyon could not support farming due to scarce rainfall and destructive flash floods. The team calculated that only 100 acres of farmland would have been sufficient to feed a maximum of 1,000 people.
A global analysis of cave drip waters reveals vital clues for understanding past rainfall patterns. In warmer climates, oxygen isotopes in stalagmites display the balance between wet weather events and prolonged drying periods.
NASA's GPM core satellite detected the heaviest rainfall rates in Hurricane Barbara, exceeding 50 mm per hour around the eye. The storm is expected to weaken, transitioning from a category 4 hurricane to a tropical storm on Friday.
Tropical Storm Barbara formed on June 30, intensifying with heaviest rainfall rates northeast of its center. The Global Precipitation Measurement mission detected rain falling at 41 mm/hour, part of a band of thunderstorms surrounding the low-level center.
Researchers at MIT have designed surfaces that cause droplets to bounce away from surfaces, reducing contact time and area of impact. The new method focuses on minimizing the spatial extent of contact, creating a bowl-shaped splash pattern that redirects droplets upward and prevents icing or soaking.
Plant communities in Mediterranean climates with limited underground water storage can thrive in both low-water and rainy years. They do well because the soil stores little water relative to rainfall, replenishing the supply even during dry years.
A new study predicts that Midwestern corn growers will require irrigation as temperatures rise and crop yields increase, posing risks to local water sources. The researchers found that the warmer atmosphere will draw more moisture from plants, necessitating a significant expansion of irrigation to maintain current yields.
A recent study investigated the desirability and practicality of producing snack peppers with low seed count. The findings revealed that true breeding pepper lines with reduced fruit seed count exhibited significantly reduced seed count, making them more suitable for specialty markets.
A Rutgers University study found that warming ocean temperatures in the western tropical Pacific influence weather patterns around West Antarctica, leading to increased thunderstorms and rainfall. This could impact the stability of the West Antarctic Ice Sheet and global sea-level rise.
A low-pressure system in the Gulf of Campeche brought heavy rainfall to southeast Texas and southern Louisiana, with flash flooding reported throughout the Houston area. The National Weather Service predicts a high risk for flash flooding across parts of the region, with rainfall totals expected to reach 3-7 inches.
System 91L is a tropical low pressure system located in the Bay of Campeche, spanning across Mexico's Yucatan state and surrounding states. The system has a 40% chance to develop into a depression over the next two days, producing heavy rainfall over eastern Mexico, southeastern Texas, and the Lower Mississippi Valley.
NASA's Aqua satellite detected a low-pressure area with strong thunderstorms and cold cloud top temperatures, indicating the potential for heavy rainfall. The system is forecast to move northwestward towards Mexico's northeastern coast, where it could become a tropical cyclone.
Research led by the University of Saskatchewan found a significant increase in extreme downpours globally over the past 50 years, coinciding with intensifying global warming. The study used thousands of rain records to analyze precipitation extremes, revealing a clear upward trend in torrential rain events across various regions.
A new study from the University of Delaware has shed light on the age and origin of groundwaters in Egyptian aquifers using chlorine isotopes as chemical tracers. The research found that some groundwater samples are up to 200,000 years old, indicating a complex interaction between shallow and deep aquifers.
Ex-Tropical Cyclone Ann is moving west into the Gulf of Carpentaria, causing warnings for strong winds and flooding potential. The Australian Bureau of Meteorology issued a Strong Wind Warning and Flood Watch for coastal catchments in Queensland.
Tropical Cyclone Ann is moving over the Great Barrier Reef in the Coral Sea, bringing strong winds and heavy rainfall to northeast Queensland. The Australian Bureau of Meteorology has issued severe weather warnings for areas including Peninsula, North Tropical Coast and Tablelands, Herbert and Lower Burdekin Forecast Districts.
A new model reveals 'tipping points' where small localized rain increases lead to widespread road disruptions, even isolating entire regions. The model was validated using Hurricane Harvey data and shows a 90.6% prediction rate for reported road closures.
Tropical Cyclone Fani brought heavy rainfall to the region and continues to drop heavy rainfall on May 3 as it moves towards Bangladesh. The GPM mission satellite captured an overpass of the powerful storm, showing high thunderstorms stretching into the troposphere and measuring rainfall rates up to 50 millimeters per hour.
Researchers identified long-term global effects on water supplies, with drying soils in North America and Eurasia, and wetter regions like the Indian subcontinent. The study suggests severe consequences for humans as warmer temperatures intensify droughts in dry regions.
Researchers found the Great Whirl, a massive whirlpool off East Africa, is larger and longer-lived than previously thought. It can grow to over 275,000 square kilometers in area and persist for about 200 days.
A recent US study found that excessive rainfall can reduce corn yield by up to 34% relative to expected yields, similar to the impact of extreme heat and drought. The research highlights the need for improved crop insurance models to address climate change-driven extreme weather events.
Tropical Storm Fani exhibited extreme rainfall patterns, with the heaviest downpours occurring south of its center circulation. GPM measurements showed hourly rainfall rates ranging from 1 inch (25 mm) in thunderstorm bands to 1.6 inches (40 mm) per hour in a localized area.
Tropical Cyclone Kenneth made landfall in northern Mozambique with maximum wind speeds of 140 miles per hour, causing significant rainfall and flooding. The storm's remnants continue to linger over the region, generating strong winds and severe thunderstorms.
A recent geography study by the University of Cincinnati found that hot temperatures are a better predictor of western wildfires than other factors. The researchers identified other risk factors, including vegetation cover and proximity to roads and population centers, which can increase the likelihood of wildfires.
A study by Ohio State University found that customers left more negative remarks on comment cards on rainy days than dry days. The researchers linked this to bad moods, which were related to less positive views about the restaurants visited.
A new study from Woods Hole Oceanographic Institution uses coral chemical data to reconstruct nearly three centuries of wind data, revealing that monsoon winds have indeed increased over the past centuries. This finding suggests that stronger winds may be becoming more common due to climate change.
A new study finds that Hurricane Maria's extreme rainfall was due to human-caused climate warming, making a storm of its magnitude nearly five times more likely to form now than during the 1950s. The research analyzed Puerto Rico's hurricane history and found that Maria produced the largest maximum daily rainfall of those 129 storms.
Researchers from UC Davis and APEC Climate Center found a significant correlation between tropical rainfall and heat waves in Central California. The study analyzed data from 1979 to 2010 and identified a predictable pattern linking enhanced MJO activity in the Pacific and Indian Oceans to intense heat waves.
Researchers found that enhanced rainfall in the tropics preceded each heat wave in predictable patterns, linking tropical weather to Central California's hot weather. The study used data from 1979 to 2010 and linked heat waves to the Madden-Julian Oscillation, a large atmospheric circulation pattern.
Researchers found evidence of coronal rain in smaller, previously overlooked magnetic loops on the Sun. The discovery links two solar mysteries: the anomalous heating of the corona and the source of the slow solar wind.
Researchers suggest regional emission control strategies based on acid rain and PM2.5 pollution levels to balance benefits and drawbacks of reduced ammonia emissions.
A new metric called the E2E evaluates the intensification of wet and dry spells under global warming, revealing significant increases in event-to-event hydrological intensification index with rising temperatures.
Tropical Cyclone Joaninha generated heavy rainfall in the Southern Indian Ocean, with rates exceeding 0.75 inches per hour around its center. The Global Precipitation Measurement mission data used by NASA's IMERG provided a comprehensive analysis of the cyclone's precipitation patterns.
A Vanderbilt University team found a link between winter rainfall in northeast India and the Pacific Ocean's climate conditions, aiding in predicting dry season rainfall amounts. The discovery uses stalagmite records from Mawmluh Cave to understand past variability in the global climate system.
A new study finds that Hurricane Maria's damage to trees in Puerto Rico was unprecedented, with big, old trees suffering the worst. The study suggests that more frequent storms whipped up by a warming climate could permanently alter forests across the Atlantic tropics.
A recent study suggests that rapidly phasing out air pollution emissions can prevent approximately 3.6 million avoidable deaths each year, while also increasing rainfall in drought-prone regions and limiting global warming. The researchers found that removing fossil fuel-related and all anthropogenic emissions could achieve the 2°C tar...
NASA's Aqua satellite provides critical infrared data on Tropical Cyclone Idai before its landfall, indicating cloud top temperatures as low as -63 degrees Fahrenheit. This suggests extremely strong storms with the potential to create severe thunderstorms and heavy rain in Mozambique.