NASA estimates heavy rainfall in Hurricane Dorian
NASA estimates heavy rainfall in Hurricane Dorian, with IMERG product suggesting up to 120mm of accumulation in certain regions.
Rain
Articles tagged with Rain
NASA sees Dorian become a hurricane
NASA's Terra satellite captures images of Hurricane Dorian near St. Thomas on August 28, 2019, confirming its Category 1 status. The storm is expected to continue strengthening over the Atlantic waters, posing a threat to the U.S. and British Virgin Islands, Puerto Rico, and other regions.
NASA finds heavy rain potential in tropical storm Dorian
Tropical Storm Dorian is expected to produce heavy rainfall, with accumulations ranging from 1-10 inches. NASA's Aqua satellite analyzed cloud top temperatures to indicate strong storms capable of creating life-threatening flash floods.
NASA-NOAA satellite finds heavy rainmaking ability in tropical storm Dorian
Tropical Storm Dorian has shown heavy rainmaking ability thanks to cold cloud top temperatures, generating strong thunderstorms and potentially causing life-threatening surf conditions. The storm is expected to produce 3-8 inches of rainfall in the Windward Islands, with isolated totals reaching up to 10 inches.
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.
Scientists unpick the history of Western France, written in 300-million-year-old rainwater
Scientists have reconstructed 300-million-year-old rainwater to study the history of Western France and its mountain range. The analysis suggests that the area was once mountainous, near the Equator, and subject to violent tectonic processes.
UTIA senior design team wins national award for stormwater infiltration project
The UTIA senior design team developed a pilot technology to enhance stormwater infiltration in rain gardens by inducing fractures in compacted soil layers. This technique could save homeowners and property owners time and money by unclogging failed rain gardens.
NASA follows tropical storm Krosa's approach to landfall in southern Japan
Tropical Storm Krosa is expected to make landfall in western Shikoku Island, Japan, with powerful thunderstorms and heavy rain capabilities. The storm's cloud top temperatures indicate strong storms with potential to generate heavy rainfall.
NASA sees wide center in Tropical Storm Krosa
NASA's Aqua satellite captured a visible image of Tropical Storm Krosa, showing a large center of circulation surrounded by fragmented bands of thunderstorms. The storm is expected to intensify to 50 knots as it approaches landfall in southwestern Japan.
Northern tropical dry trend may just be normal variation: scientists
A new study published in PNAS reveals that the northern tropical dry trend may be a result of natural climate variability rather than human activities. The research team analyzed stalagmite records from southern Thailand and found millennial-scale decreases in regional rainfall, similar to other records from the northern tropics.
SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·DateAug 12, 2019
Historical rainfall variation in northern tropic
A speleothem δ18O record from Klang Cave in southern Thailand shows decreased rainfall in the northern-central Indo-Pacific (NCIP) region. The study also found that anthropogenic forcing of rainfall may be indistinguishable from natural variability during certain climate periods.
SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateAug 12, 2019
NASA measures rain rate in tiny Tropical Storm Henriette
NASA's GPM satellite detected heavy rainfall around Tropical Storm Henriette's center, with rates reaching 25 mm/hour. The storm is moving west-northwest towards Mexico, expected to weaken and degenerate into a remnant low pressure area.
NASA gives Typhoon Lekima a twice-over with the Aqua satellite
The NASA Aqua satellite provided detailed images of Typhoon Lekima's cloud top temperatures, revealing cold air extending into the troposphere, generating heavy rainfall. The storm's powerful thunderstorms were also visible in infrared and visible light, surrounding a small, rounded eye.
Groundwater resources in Africa resilient to climate change
A new study led by UCL and Cardiff University finds that groundwater replenishment depends on heavy rainfalls and flood events amplified by climate change. This knowledge can inform strategies to enhance groundwater supplies in drylands, where it is often the only lasting source of freshwater.
How the Pacific Ocean influences long-term drought in the Southwestern US
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.
NASA finds heavy rain in new tropical storm Krosa
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.
NASA gazes into Tropical Storm Lekima in Philippine Sea
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.
NASA Catches tropical storm Francisco's approach to landfall in southern Japan
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 finds one small area of strong storms left in fading Flossie
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.
NOAA finds Tropical Storm Erick's center with help of two NASA satellites
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.
NASA-NOAA satellite sees Erick still hanging as a hurricane
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 finds heavy rain in hurricane Erick
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.
When mosquitoes are biting during rainy season, net use increases, study finds
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.
SourceJohns Hopkins Bloomberg School of Public Health·JournalAmerican Journal of Tropical Medicine and Hygiene·DateJul 30, 2019
North Carolina coastal flooding is worsening with climate change, population growth
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.
NASA finds depression strengthen into Tropical Storm Dalila
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 rains have become more intense in the southwest in recent decades
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.
SourceUS Department of Agriculture - Agricultural Research Service·JournalGeophysical Research Letters·DateJul 23, 2019
NASA analyzes new Atlantic depression's tropical rainfall
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.
Volcano eruption at different latitudes: A switch of hemispheric monsoon rainfall change
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.
SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalJournal of Climate·DateJul 22, 2019
NASA looks at Barry's rainfall rates
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.
Australian ants prepared for 'Insect Armageddon'
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.
NASA sees heavy rainfall potential in strengthening Tropical Storm Barry
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 creates a flood proxy map of areas affected by tropical storm Barry
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.
NASA-NOAA satellite tracking Barry through Louisiana, Arkansas
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 examines Tropical Storm Barry post-landfall
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.
EPFL scientists map high-risk areas for hepatitis E
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.
GPM satellite provides a 3D look at Tropical Storm Barry
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.
Food may have been scarce in Chaco Canyon
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.
Satellites analyzing developing gulf potential Tropical Cyclone Two
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.
Cave secrets unlocked to show past drought and rainfall patterns
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 peers into hurricane Barbara's heavy rainfall
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.
NASA looks at Tropical Storm Barbara's heavy rainfall
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.
A new way to make droplets bounce away
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.
Does limited underground water storage make plants less susceptible to drought?
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 warming Midwest increases likelihood that farmers will need to irrigate
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.
Snack peppers find acceptance with reduced seed count
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.
Warming waters in western tropical Pacific may affect West Antarctic Ice Sheet
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.
NASA estimates heavy Texas and Louisiana rainfall from gulf weather system
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.
NASA-NOAA satellite sees system 91L's eeach into the western gulf of Mexico
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 sees strong storms in developing gulf system 91L
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.
Downpours of torrential rain more frequent with global warming
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.
The age of water
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 moving over Australia's Cape York Peninsula
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.
NASA finds tropical cyclone Ann over the great barrier reef
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.
As climate changes, small increases in rainfall may cause widespread road outages
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.
NASA reveals heavy rainfall in Tropical Cyclone Fani
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.
Scientists track giant ocean vortex from space
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.
Scientists see fingerprint of warming climate on droughts going back to 1900
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.
Excessive rainfall as damaging to corn yield as extreme heat, drought
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.
SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalGlobal Change Biology·DateApr 30, 2019
NASA looks at Tropical Storm Fani's rainfall rates
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.
NASA sees remnants of Tropical Cyclone Kenneth over northern Mozambique
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.