NASA finds a weak and wispy Tropical Cyclone Cebile
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.
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GPM satellite finds rainfall pushed away from Tropical Cyclone Cebile's center
Tropical Cyclone Cebile in the Southern Pacific Ocean is experiencing strong vertical wind shear, causing rainfall to be pushed away from its center. The heaviest precipitation was found southeast of Cebile's center, with powerful storms on the southern side still dropping rain at high rates.
NASA measured rainfall from Fehi's remnants in New Zealand
NASA and Japan's GPM core satellite tracked heavy rainfall from Tropical Cyclone Fehi's remnants in New Zealand. Rainfall rates exceeded 268 mm/h, with some areas experiencing intense storms that dropped over 10 inches of rain in just 12 hours.
NASA finds Extra-Tropical Cyclone Fehi sheared
NASA's Terra and GPM satellites confirmed that wind shear pushed Tropical Cyclone Fehi's clouds and thunderstorms south of its center. The storm triggered warnings in New Zealand due to heavy rainfall and strong winds.
NASA's GPM probes Category 4 Tropical Cyclone Cebile
NASA's GPM satellite measured Tropical Cyclone Cebile's rainfall intensity at over 228 mm/h on January 31, 2018. The storm's eye featured a clear circular structure with deep convective banding and sharp eyewall.
GPM satellite analyzes Tropical Cyclone Fehi's rainfall
The GPM satellite identified heavy rainfall in Tropical Cyclone Fehi, with powerful storms dropping rain at a rate of over 3 inches per hour. The storm weakened as it moved southward, transitioning into an extra-tropical cold core system.
UK regional weather forecasts could be improved using jet stream data
New research from the University of Lincoln found that jet stream changes are significantly associated with UK regional rainfall and temperatures. The study suggests that using predictions of jet stream changes can produce more accurate seasonal weather forecasts on a smaller, regional scale.
Research finds link between rainfall and ocean circulation in past and present
A study published in Nature Communications finds a correlation between Atlantic Ocean surface currents and rainfall patterns in the Western Hemisphere, both in the past and present. The research suggests that changes in ocean currents can influence global climate and may have far-reaching impacts on future climate change.
NASA sees Tropical Cyclone Berguitta soaking Mauritius and Reunion Island
Heavy rainfall from Tropical Cyclone Berguitta affects Mauritius and Reunion Islands. NASA's Terra satellite image shows the storm's center just south of Mauritius, with both islands under warning.
Mothers and young struggle as Arctic warms
A new study reveals that Arctic warming is negatively impacting muskoxen, with juvenile growth hindered by mothers' inability to access food during winter rain events. The research found that even minor amounts of winter rain can have long-lasting effects on the growth of arctic mammals.
NASA IMERG reveals rainfall rates of Tropical Cyclone Berguitta
Tropical Cyclone Berguitta formed in the southwestern Indian Ocean on January 12, 2018, and showed intense rainfall rates around its center. The storm's maximum sustained winds were estimated at 115 mph, but later dropped to 65 knots as it moved southwest.
Tropical Cyclone Joyce makes landfall on Australia's Pilbara Coast
Tropical Cyclone Joyce made landfall along the Pilbara Coast in Western Australia, with maximum sustained winds near 45 knots. The cyclone is expected to weaken as it tracks southwest through the region, but will continue to bring heavy rainfall and gusty winds.
Why the Republican Party may have an advantage when it rains: Voters change their minds
A new study by Dartmouth College researchers reveals that at least 1% of U.S. voting-age adults change their partisan preference from Democrat to Republican on rainy election days, attributing this shift to a psychological behavior where voters are more averse to risk during poor weather conditions.
NASA calculated heavy rainfall leading to California mudslides
Heavy rainfall in California, fueled by wildfires, caused deadly mudslides that killed at least 17 residents. NASA's LHASA model provided a landslide hazard assessment map, showing the potential for landslides.
NASA's IMERG measures Tropical Cyclone Ava's disastrous rainfall
Tropical cyclone Ava caused extreme flooding and landslides in Madagascar, resulting in at least 29 deaths. NASA's IMERG analysis estimated near-700mm of rainfall in the Indian Ocean northeast of Madagascar, with highest totals on land in northeastern regions.
The biennial rainfall relationship in the tropical western hemisphere has weakened in recent decades
A recent study found that the biennial rainfall relationship between Central America and equatorial South America has weakened remarkably since 2000. This weakening is attributed to changes in El Niño-Southern Oscillation (ENSO) and tropical North Atlantic sea surface temperature (SST) patterns.
Powerful Tropical Cyclone Irving examined with GPM
Tropical Cyclone Irving was hurricane-force in the Southern Indian Ocean, with heavy rainfall rates of over 93 mm/h reported by GPM's DPR Ku Band. The storm's 3-D precipitation structure was examined, revealing powerful storms at altitudes of up to 17 km.
Scientists find culprits for extreme rainfall over Yangtze River in May 2016
Researchers used a probabilistic approach to attribute the extreme event to natural variability and anthropogenic forcing. They found that strong El Niño events significantly increase the risk of extreme rainfall, but also suggest smaller-scale anthropogenic contributions.
NASA finds a stronger Ava now tracking along Madagascar's coast
Tropical Cyclone Ava has strengthened with a more well-formed storm and strong thunderstorms over central Madagascar, posing heavy rainfall risks. The storm is expected to intensify further by January 5, potentially reaching 70 knots (80 mph) before moving south of the island nation.
NASA looks at rainfall intensity in Tropical Depression Bolaven
Tropical Depression Bolaven caused flooding, landslides, and at least two deaths in the Philippines with heavy rain falling at a rate of almost 121 mm per hour. A NASA satellite observed the storm's 3-D structure, revealing storm tops exceeding 16 km high.
NASA finds heavy rain in new Tropical Cyclone Hilda
Tropical Cyclone Hilda formed near Australia's northwest coast, with NASA's GPM satellite detecting heavy precipitation. The storm intensified to a tropical storm before dissipating over land, bringing a Tropical Cyclone Warning to the region.
Satellite keeps an eye on US holiday travel weather
Satellite imaging from NOAA's GOES-16 satellite reveals holiday travelers facing wet and snowy weather on both coasts. A large area of clouds associated with a frontal system is forecast to bring rain and snow across the US, with heavy rainfall and flooding predicted in the lower Mississippi and Tennessee Valleys.
NASA calculated Philippines rainfall from Tropical Storm Kai-Tak
Tropical Storm Kai-Tak generated heavy rainfall in central and southern Philippines, causing major flooding and landslides. The storm's estimated precipitation totals reached up to 512 mm (20.2 inches) along its track.
Spectral broadening in clouds is affected by turbulence
Research on turbulent broadening of cloud droplet size distributions and warm rain initiation has made significant progress in recent years. The study highlights the effects of turbulence on spectral broadening and collision-coalescence processes, with Chinese scientists playing a key role.
NASA sees Tropical Storm Kai-Tak moving over the Philippines
Tropical Storm Kai-Tak is expected to bring heavy rainfall to the southern and central Philippines due to its very cold cloud top temperatures. The storm has slowed down, increasing the likelihood of inland flooding in the Eastern Visayas region.
NASA looks at rainfall in developing Tropical Storm Kai-tak
Tropical Storm Kai-tak developed near the east central Philippines, producing strong convective storms with heavy precipitation. GPM data showed intense storms dropping rain at a rate of over 143 mm/h and reaching altitudes of over 16 km.
Climate change made Harvey rainfall 15 percent more intense
A recent study by World Weather Attribution found that climate change increased the likelihood of extreme rainfall events like Hurricane Harvey. The research suggests that storms like Harvey are now three times more likely in today's climate.
Northeast farmers weigh warming climate, drenched fields
Farmers in the Northeast are adapting to longer growing seasons and warmer climate conditions, but may face financial losses due to delayed planting and increased disease problems. The region has seen a 71% increase in extreme precipitation events, which can lead to crop failures and reduced yields.
No link between rainfall and visiting the doctor with joint pain
A large observational study found no link between rainfall and visiting the doctor with joint pain, dispelling a commonly held belief. Despite this, researchers suggest larger data on disease severity may be needed to confirm or deny the relationship.
That feeling in your bones
Researchers analyzed millions of doctor visits to find no correlation between rainfall and painful joints or sore backs. Despite the lack of evidence, many people still believe that certain symptoms are forecasted by weather conditions.
AGU Fall Meeting: Human-caused warming likely intensified Hurricane Harvey's rains
New research shows human-induced climate change increased Hurricane Harvey's rainfall by at least 19 percent and potentially as much as 38 percent. The study, published in Geophysical Research Letters, confirms heavy rainfall events are increasing across the Gulf Coast region due to climate change.
NASA analyzes short-lived Bay of Bengal cyclone
A short-lived tropical cyclone in the Bay of Bengal produced moderate to heavy rainfall along northeastern India's coastline. The analysis used data from NASA's IMERG mission showed that more than 508 mm of rain fell in the Bay of Bengal, with storm tops reaching heights of over 11.5 km.
One wet winter can shake up San Francisco Bay's invasive species
A wet winter in San Francisco Bay has disrupted the balance of invasive species, allowing native species to thrive. The study found that freshwater years reset the system, creating an opportunity for management strategies to target non-native populations.
Researchers model optimal amount of rainfall for plants
Researchers found that the optimal amount of rainfall for plant productivity lies in an intermediate climate, where plants can use slightly more moisture than usual. This 'mesic maximum' range is crucial for maintaining ecosystem health and agricultural systems under projected climate change conditions.
NASA sees sees Ockhi's Rain reach India's Western coast
NASA's GPM mission observed remnants of Tropical Cyclone Ockhi reaching the Indian coast with heavy rainfall exceeding 101.6 mm per hour. The storms' displacement indicates strong vertical wind shear, pushing them away from the center.
NASA gets a final look at Tropical Cyclone Ockhi's rainfall
Tropical Cyclone Ockhi was found to produce very heavy rainfall, with storms northwest of the eye dropping precipitation at rates over 60 mm/hour. The storm's vertical wind shear caused it to weaken, leading to a final landfall near the Gulf of Khambhat on Dec. 6.
NASA finds Tropical Depression Dahlia's center devoid of rainfall
Tropical Depression Dahlia's center was found to be devoid of rainfall by NASA's Global Precipitation Measurement mission. The storm was weakening and moving south at 10 knots, with cooler sea surface temperatures and wind shear expected to lead to its dissipation.
NASA's GPM Satellite observes Tropical Cyclone Dahlia and landslide potential
The Global Precipitation Measurement Mission observed heavy rainfall around Tropical Cyclone Dahlia, creating landslide potential in southern Java. The satellite data revealed storm tops stretching to 12 km high, indicating strong precipitation rates.
To address hunger effectively, first check the weather, says new study
A new study suggests that understanding rainfall patterns is key to effectively addressing food insecurity among smallholder farms in Africa and Asia. Financial supports, such as cash or loans, were more frequently correlated with improved food security for drier farms, while agricultural inputs and practices were more effective for we...
NASA views severe rain storms over western Saudi Arabia
Heavy downpours caused schools and universities to close in Jeddah, with GPM's radar measuring precipitation at rates of over 115.5 mm/h and 90 mm/h. A 3-D view of the storms was created using data from NASA's Global Precipitation Measurement Mission.
Satellite shows storms on both US coasts for Thanksgiving travelers
Two storm systems were visible on satellite imagery, one in the Pacific Northwest and another in the northeastern U.S. Heavy rain and snow are expected for pre-Thanksgiving travelers in these regions. Additionally, a cold front is exiting the East Coast, bringing cooler temperatures to the eastern U.S.
Rainfall can indicate that mosquito-borne epidemics will occur weeks later
A new study found that heavy rainfall can indicate upcoming outbreaks of mosquito-borne viruses Zika and Chikungunya. The researchers developed a framework to predict where and when future outbreaks will occur, enabling municipalities to prepare measures to limit the spread of diseases.
Slight climate shifts can affect optimum water use in plant communities
A new study reveals that slight climate shifts can significantly affect the optimal water use of plant communities, with potential consequences for forests, grasslands, and deserts. The research uses a model to predict how rainfall is shared among plants, humans, and other factors in a changing climate.
New research indicates likely hydrological implications of rapid global warming
New research from the University of Birmingham suggests that rapid global warming could result in more extreme rainfall and flood events. The study found a four-fold increase in sediment delivery from land to the deep ocean during a 56 million-year-old event, likely caused by increased rainfall intensity.
NASA measures Haikui's remnant rainfall over southern Vietnam
GPM data shows storms from Haikui's remnants containing light to moderate precipitation, with some areas dropping rain at over 23 mm per hour. Heavier precipitation was also detected in southern Vietnam, exceeding 79 mm per hour in downpours not associated with Haikui.
Texas' odds of Harvey-scale rainfall to increase by end of century
A new MIT study finds that Texas will face a significant increase in the annual risk of extreme rainfall, rising from 1% to 18% by the end of the century. This rise is attributed to climate change, which is expected to shift the odds in terms of high-intensity storms around the world.
Cooling in high and mid-latitudes led to aridification in Northern Africa
A recent study published in Nature Communications found that northern high-latitude cooling played a key role in triggering the rapid termination of the African Humid Period around 5500 years ago. This period was characterized by significant rainfall, but its sudden end led to aridification in the region.
NASA's IMERG adds up heavy rainfall from Tropical Storm Damrey
NASA's Integrated Multi-satellitE Retrievals (IMERG) analysis indicates Tropical Storm Damrey caused deadly flooding in Vietnam with over 580 mm of rain reported near the coast. The IMERG data also shows that the heaviest rainfall was in south central Vietnam, where more than 500 mm of rain was common.
NASA's GPM radar spots tornado spawning thunderstorms in Ohio Valley
A severe weather event on Nov. 5 was analyzed by NASA's Global Precipitation Measurement mission, revealing the location of strongest storms and predicting heavy rain. At least nine tornadoes were reported in Illinois, Indiana, and Ohio, causing widespread power outages and injuries.
NASA examines the powerful US Northeast storm
The NASA GPM satellite collected detailed data on the storm's distribution and intensity of precipitation, revealing intense rain rates over 2 inches per hour. The storm's freezing level and wind gusts were also mapped, indicating heights of up to 5.6 miles and winds greater than 70 mph.
NASA sees Tropical Storm Philippe off Florida coast
Tropical Depression 18 strengthened into Tropical Storm Philippe, located off Florida's east coast on Oct. 29, according to NASA's Aqua satellite analysis. The storm's cold cloud tops indicate very heavy rainfall potential.
NASA finds new Tropical Storm Selma has heavy rain-making potential
Tropical Storm Selma has high potential for heavy rainfall due to very cold cloud top temperatures, posing life-threatening flash floods and mudslides. The storm is expected to make landfall in western El Salvador on Saturday night, October 28.
NASA finds heavy rain, wind shear and towering clouds in Tropical Storm Saola
Tropical Storm Saola is being affected by vertical wind shear and displaying powerful convective storms with rainfall rates exceeding 252 mm/h. The storm's height was measured to be above 17.5 km, indicating intense thunderstorms.
NASA examines heavy rainfall generated by former Typhoon Lan
Typhoon Lan caused extreme flooding, landslides, and seven deaths when it hit Japan. NASA's Global Precipitation Measurement mission analyzed the storm and found rain totals of up to 800 mm (31.5 inches) in parts of Honshu.
Researchers introduce new method for monitoring Indian Summer Monsoon
A team of FSU scientists outlines a methodology that uses rainfall rates to mark the span of the Indian Summer Monsoon. The new system has been shown to capture ISM evolution comprehensively, enabling easy real-time monitoring.
NASA sees intensifying Typhoon Lan stretch high in the troposphere
Typhoon Lan's powerful thunderstorms are stretching high into the troposphere, fueled by extremely warm ocean waters. The storm is expected to continue intensifying as it moves toward higher latitudes, potentially becoming a powerful typhoon with winds of up to 127mph.
NASA sees Hurricane Ophelia lashing Ireland
NASA's Suomi NPP satellite provided detailed thermal and precipitation data on Hurricane Ophelia, showing extreme heavy rainfall rates of over 8.4 inches per hour. The hurricane was downgraded to a post-tropical cyclone but expected to bring hurricane-force winds to Northern Ireland.
Intense storms batter Saturn's largest moon, UCLA scientists report
Researchers found that extreme methane rainstorms occur frequently on Titan, creating massive floods in deserts and shaping the moon's surface. The storms are correlated with the formation of alluvial fans, similar to those on Earth.
Rainfall trends in arid regions buck commonly held climate change theories
Researchers analyzed 50 years of rainfall data in a semi-arid drainage basin in Arizona, finding a decline in heavy rainfall events despite increased total rainfall. A new model simulates convective rainfall and shows less runoff from dryland basins under climate change.
NASA's GPM finds Ophelia strengthening in Eastern Atlantic
The Global Precipitation Measurement mission found Ophelia's heaviest rainfall south of the center, with rain falling at a rate of almost 3.2 inches per hour. The storm strengthened into a hurricane on Oct. 11, with maximum sustained winds near 90 mph and higher gusts.