Articles tagged with Rain
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Hurricane Bud has formed in the Eastern Pacific Ocean, bringing heavy rain and strong winds to southwestern Mexico. The storm is predicted to produce life-threatening flash floods and mudslides, as well as life-threatening surf and rip current conditions.
Tropical Storm Ewiniar made landfall in southeastern China on June 7, according to NASA's Aqua satellite. The storm's extreme cold cloud tops, reaching -63 degrees Fahrenheit, are indicative of its potential for heavy rainfall and severe weather.
Tropical Storm Aletta was found to have intense rain bands with rainfall rates over 187 mm, and storm top heights of over 12 km. The Global Precipitation Measurement mission revealed these findings using GPM precipitation measurements.
A new study found that hurricanes are moving more slowly, spending more time over land, resulting in catastrophic local rainfall and flooding. The slowdown is attributed to climate change, which is amplifying the effects of human activity on hurricane behavior.
Tropical Depression 05W briefly reached tropical storm status before weakening back to a depression. NASA's Aqua satellite captured infrared imagery showing the storm's strength and potential for heavy rainfall.
Tropical Depression 05W shows strong storms with cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating potential for heavy rainfall. The depression is expected to reach tropical storm strength late on June 5 and make landfall in southeastern China early on June 7.
Tropical Storm Sagar brought heavy rainfall to Somalia, while Cyclone Mekunu caused widespread flooding in Oman and Yemen. The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement mission estimated heavy rainfall in various regions, with some areas receiving over 3 times their annual average.
Subtropical Storm Alberto brought heavy rain to the southeastern US, with IMERG estimates showing up to 8 inches of rain over central Alabama. The storm's passage also led to flash flood watches for several states, causing 6 deaths in total.
Subtropical Depression Alberto's center has been located near latitude 38.7 degrees north and longitude 87.4 degrees west, approximately 80 miles southwest of Indianapolis, Indiana. The depression is moving toward the north-northeast at 17 mph, with maximum sustained winds near 30 mph and higher gusts.
Alberto has weakened to a subtropical depression with strongest storms circling its low-level center, producing heavy rainfall and flash flooding concerns.
The National Hurricane Center has issued a Tropical Storm Watch for parts of Mexico and Cuba as Subtropical Storm Alberto strengthens in the Atlantic Ocean. The storm is forecast to produce large rainfall totals and life-threatening flash floods and mudslides, particularly in the northeastern portions of the Yucatan Peninsula.
NASA satellites provided an infrared, night-time and precipitation analysis of Tropical Cyclone Mekun, revealing powerful convective storms southwest of the center. The storm's cloud top temperatures were as cold as -63.1°C, indicating potential for heavy rainfall.
Researchers used ancient dust records to develop a new understanding of the Earth's long-term climate. They found that the Asian summer monsoon drove global changes in wind and ocean currents, affecting polar ice cap growth or shrinkage over tens of thousands of years.
NASA analyzed satellite data to measure heavy US rainfall, finding record amounts in the Mid-Atlantic region. The extreme precipitation led to severe flooding along several rivers, including Washington D.C.'s Potomac River.
Firat Testik, a UTSA professor, aims to enhance rainfall estimations and climate modeling with his research on microphysics of rainfall. He will focus on understanding raindrop collisions and size distribution to develop more accurate weather radar predictions.
Heavy seasonal rainfall caused by NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) revealed severe flooding in Kenya, displacing over 244,000 people. The estimated death toll from flooding and mudslides has been increased to about 100 people.
A study mapping 2016-2018 cholera epidemics in Yemen suggests a causal link between rainfall and cholera incidence, with over 13.8 million people at risk of infection. The study's findings have been used to inform mitigation efforts and prioritize vaccination campaigns and WASH interventions during the rainy season.
A recent study suggests that early Mars was modestly warm and prone to rain, with only small patches of ice. The research challenges the long-held idea of an icy climate on Mars.
The GPM core satellite observed high rainfall rates of over 2.1 inches per hour in Tropical Cyclone Flamboyan on April 29, 2018. The storm was weakening due to increasing vertical wind shear and colder ocean temperatures.
A UCI-led study finds that tropical forests respond to higher CO2 by reducing water vapor, leading to drought in the Amazon and increased rainfall in Indonesia. This process can have significant impacts on biodiversity, freshwater availability, and food supplies.
A pilot study in Kenyan counties found a strong link between RVF-associated syndromes and rainfall, with mosquito swarms preceding cases. The enhanced surveillance system provided early warnings for major outbreaks, enabling preventive measures to be taken.
Tropical Cyclone Fakir is expected to intensify as it moves southeastward, with heavy rainfall rates reaching over 8.6 inches per hour in some areas. The GPM satellite revealed bands of extremely heavy rainfall spiraling into the cyclone's southeastern side, and predicted that the storm could peak in strength on April 24.
In April 2018, a weather system caused destructive flooding and mudslides in Hawaii. The NASA GPM satellite provided detailed data on the heavy rainfall, showing that Kauai received over 478 mm of rain, with some areas experiencing even higher totals.
A recent study found that the Pacific Walker circulation (PWC) weakens significantly after strong tropical volcanic eruptions (SVEs), leading to changes in rainfall patterns and extreme climate events worldwide. The research suggests that the cooling effect of SVEs on the Maritime Continent plays a dominant role in weakening the PWC.
Tropical Cyclone Keni caused widespread damage and flash flooding in Fiji, especially on the island of Kadavu. Rainfall totals exceeded 200 mm over southwestern Viti Levu and reached 430 mm southwest of Viti Levu.
Scientists confirm the 100th meridian as a real divide between population and agriculture on opposite sides. Climate change is pushing this boundary eastward, expanding aridity into the Midwest, with significant implications for farming and land use.
Tropical Cyclone Keni has formed in the South Pacific Ocean, with NASA's Global Precipitation Measurement mission (GPM) detecting heavy rainfall. The storm is tracking southeastward at 25 knots, expected to weaken and begin extratropical transition by April 11.
Research from Florida State University found that urban areas in Florida experience shorter and more intense wet seasons compared to rural areas. The study indicates a trend of decreasing wet-season length by 3.5 hours per year in urban areas.
The Global Precipitation Measurement (GPM) mission observed heavy convective rainfall southeast of Tropical Cyclone Iris' surface center. Heavy precipitation rates were recorded at over 59 mm per hour in that area.
Tropical Cyclone Iris has taken a long and fluctuating trek since its formation in the Coral Sea. The GPM core satellite analyzed heavy rainfall as it lingered near the Queensland coast before weakening and moving away from the coast.
NASA analyzed Tropical Cyclone Josie's heavy rainfall using Integrated Multi-satellitE Retrievals for GPM (IMERG) data, revealing extreme rainfall totals of over 450 mm in some areas. The study showed that Josie's clockwise circulation caused flooding leading to at least four deaths in Fiji.
The Sahara Desert has expanded by about 10 percent since 1920 due to a combination of human-caused climate change and natural climate cycles. The expansion is linked to increased greenhouse gases and aerosols in the atmosphere, posing devastating effects on African people who depend on agriculture-based economies.
The GPM satellite detected strong convective storms dropping rain at a rate of over 264 mm/hour, with some reaching heights of nearly 18 km. Favorable conditions are expected to aid Jelawat's rapid intensification and make it the first western Pacific Ocean typhoon of 2018.
A new UMD study reveals the Sahara Desert has expanded by 10% since 1920, primarily driven by human-caused climate change. The research also suggests other deserts may be expanding, posing significant implications for global food security and ecosystems.
Tropical Storm Jelawat is intensifying due to cold cloud top temperatures as low as minus 63 degrees Fahrenheit. The storm's maximum sustained winds strengthened to 50 knots on March 28, forecasted to reach hurricane force within 24 hours.
NASA analyzed satellite data to calculate Tropical Cyclone Nora's heavy rainfall in Queensland, revealing over 433 mm of rain in the Gulf of Carpentaria. The analysis also indicated significant precipitation along Nora's track into northwestern Queensland, causing flooding and landslides.
A recent study by Penn State researchers has found that fluctuations in rainfall in Uganda are linked to an increased risk of infant hydrocephalus, a buildup of fluids in the brain cavities. The research used satellite data and climate models to identify vulnerable areas for epidemic diseases, paving the way for preventive measures.
A new map by University of Colorado Boulder researchers shows wide variability in how and why different areas receive snow or rain. Coastal areas have a cooler threshold for rain, while inland and mountainous areas are more likely to see flurries even above freezing temperatures.
Tropical Cyclone Eliakim caused severe flooding and landslides in eastern Madagascar with over 300 mm of rain, resulting in at least seven deaths. The storm's slow movement over the island nation led to continuous heavy rainfall.
The VIIRS instrument aboard NASA-NOAA's Suomi NPP satellite captured a true-color image of Tropical Cyclone Marcus on March 18, 2018. The storm brought hurricane-force wind gusts to Darwin, Australia, and was moving west at 16 mph per hour.
GPM's Dual Frequency Precipitation Radar data revealed intense convective storms in Tropical Cyclone Eliakim's northwest quadrant, dropping rain at over 205 mm/hour. The storm showed improved organization and powerful convective storms on its way to landfall in Madagascar.
Tropical cyclone Eliakim is intensifying in the Indian Ocean, with NASA's GPM satellite monitoring its formation. The storm is expected to bring heavy rainfall and potentially devastating flooding to northern Madagascar, following recent tropical cyclones Ava and Dumazile.
Researchers developed a new model that quantifies yellow fever dynamics across Africa using seasonal climatic measures, confirming the risk varies throughout the year. The model accurately captured geographic and temporal heterogeneities in transmission and offers insights for early interventions.
Tropical Cyclone Hola dropped heavy rainfall on Vanuatu and New Caledonia, with maximum sustained winds of 95 knots (~ 105 mph) reported. The Joint Typhoon Warning Center expects the cyclone to recurve southeastward, avoiding a direct impact with New Caledonia.
NASA's Global Precipitation Measurement mission revealed extreme heavy rainfall in Tropical Cyclone Hola, dropping 9.5 inches per hour on the eastern edge of its low-level center. The satellite data showed convective storms reaching heights above 7.4 miles, posing a threat to Vanuatu and neighboring islands.
Tropical Cyclone Dumazile brought extremely heavy rainfall to Madagascar, with over 210 mm of precipitation reported along the northeastern coast. The GPM satellite detected intense bands of rain and storms dropping rain at rates of up to 160 mm/hour, causing widespread flooding.
The Global Precipitation Measurement mission captured intense rainfall rates exceeding 5.1 inches per hour in southwestern Arkansas. Life-threatening flood conditions resulted from over 10 inches of rain, with storm tops reaching heights above 5.6 miles.
A recent study reveals that almost one billion viruses and more than twenty million bacteria are deposited daily in high-mountain areas via atmospheric rain washout and gravity sedimentation. The research finds that viruses tend to adhere to smaller organic particles, while bacteria stick to mineral particles from the Sahara Desert.
Researchers Raphaël Huser and Jennifer Wadsworth developed an integrated statistical approach to modeling weather extremes, eliminating the need for guessing dependence strength. The new model can handle different spatial dependence scenarios, from strong correlations to complete independence.
Recent heavy rainfall and melting snow have caused widespread flooding across the central and southern US, from the Gulf Coast to the Great Lakes. NASA's rainfall analysis found above-normal precipitation in parts of the upper Midwest, exacerbating the flood threat.
Ex-Tropical Cyclone Gita's northerly wind shear caused the storm to break apart, affecting New Zealand with gusty winds, ocean swells, and heavy rain. The storm brought severe weather watches and warnings, including state of emergency declarations in several regions.
A global precipitation database analysis suggests that approximately 14% of the Earth's surface experiences annual precipitation dependence on the previous year, while 76% does not. This finding provides a framework for assessing long-lasting changes in rainfall by considering natural variability.
NASA's Aqua satellite captured a visible-light image of Tropical Depression Sanba on Feb 15, revealing wispy clouds and low-level circulation center without rainfall. The depression was centered in the Sulu Sea, moving northwest towards the South China Sea with maximum sustained winds at 23 mph.
Tropical Cyclone Gita produced over a foot of rain, causing widespread destruction and flooding in Samoa and Tonga. NASA's IMERG analysis revealed heavy rains and strong winds affected both countries, with some structures destroyed including Tonga's historic Parliament House.
Tropical Cyclone Gita, a Category 3 hurricane on the Saffir-Simpson Hurricane Wind scale, is causing destruction and flooding in Fiji Islands. The storm's eye was located near 21.1 degrees south latitude and 179.1 degrees east longitude, with maximum sustained winds near 126.6 mph.
A global climate model predicts that arid cities like Phoenix will experience more severe heat waves by 2100 compared to their rural surroundings. This is because future arid cities will remain water-limited, while their rural neighbors are projected to be no longer dry due to increased rainfall.
A new study reveals that increased corn and soybean production in the Midwest led to significantly cooler and wetter summers. The research suggests a strong correlation between agricultural intensification and regional climate changes.
Heavy rainfall was triggered by Tropical Cyclone Gita, strengthening into a Category 4 hurricane on Feb 12. The storm produced intense rainfall rates of over 64 mm per hour in some areas, with the heaviest falls recorded northeast of Samoa at 224 mm per hour.
NASA's Global Precipitation Measurement mission found extreme rainfall in Tropical Cyclone Gita's northwestern quadrant, dropping up to 1.6 inches per hour, while east of the center, rain fell at a rate of 1 inch per hour
Tropical Cyclone Cebile, a weak and wispy storm, was detected by NASA's Aqua satellite on February 8. The storm lacked rainfall and had a thick band of clouds in its eastern quadrant.