NASA finds very heavy rainfall in Tropical Cyclone Zena
Tropical cyclone Zena intensified over Vanuatu and Fiji with very high cloud tops and intense rainfall. The GPM satellite measured rainfall rates of almost 300 mm/hour in some areas.
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NASA's GPM views Tropical Cyclone Zena hitting Vanuatu
Tropical Cyclone Zena intensified in the South Pacific Ocean near Vanuatu on April 5, 2016, causing sustained winds of over 35 knots. The GPM satellite measured intense downpours dropping rain at a rate of almost 154 mm per hour
Massive deforestation found in Brazil's Cerrado
The study found that agricultural land has doubled within the Cerrado region, replacing native vegetation and altering the water cycle. Continued agricultural growth could reduce rainfall or delay critical rainy periods, threatening both natural vegetation and agricultural production.
NASA's GPM satellite examines tornadic thunderstorms
The GPM core observatory satellite measured heavy rainfall rates of over 3.6 inches per hour in a powerful storm east of Chattanooga, Tennessee. The satellite also revealed the three-dimensional structure of precipitation in storms beneath it, showing storm tops reaching heights above 7.4 miles.
Size matters: NASA measures raindrop sizes from space to understand storms
Scientists can now accurately estimate rainfall amounts by understanding the size distribution of raindrops and snowflakes globally. The new data provides insight into storm growth and behavior, helping predict complex interactions that impact weather patterns.
Agriculture expansion could reduce rainfall in Brazil's Cerrado
A study found that agricultural expansion in the Cerrado biome reduces water recycling, affecting rainfall patterns. Double cropping can help mitigate this effect by increasing evapotranspiration rates.
Freezing plants to predict the fate of the Arctic
Researchers encase Arctic plants in ice to study climate change's effects on growth patterns. To their surprise, the frozen plants exhibited increased growth in remaining undamaged shoots.
NASA sees heavy rain in Tropical Cyclone Emeraude
Tropical Cyclone Emeraude intensified rapidly after forming on March 15, 2016, with GPM's radar measuring extreme rainfall rates of over 8.2 inches per hour. The storm peaked at 125 knots and then weakened, but is expected to re-intensify as it curves toward the southwest.
Galapagos lakes reveal tropical Pacific climate since Biblical times
Researchers reconstructed a 2,000-year record of precipitation changes in the eastern Pacific using sediments from Galapagos lakes, revealing long-term shifts in El Niño patterns. The study provides new insights into tropical climate dynamics and will help model future changes.
NASA's GPM spots Tropical Cyclone Emeraude developing
Tropical Cyclone Emeraude formed on March 15, 2016, in the South Indian Ocean, with intense rainfall rates exceeding 220 mm/h. GPM data revealed a 3D structure of precipitation, indicating storm tops heights above 15 km.
NASA measures US south heavy rainfall from space
Heaviest rainfall in the southern US was reported over 24 inches in Monroe, Louisiana, with over 4,958 homes damaged by flooding. NASA's TMPA analysis revealed a merged satellite rainfall image showing heavy rain stretching from northern Louisiana to south central Arkansas.
NASA's GPM satellite measured heavy rainfall in the southern US storms
Heavy rainfall and strong storms affected the southern U.S. on March 9, with over a foot of rain falling in Texas to Arkansas. The GPM satellite measured extreme precipitation rates, including 148 mm in one powerful storm.
Global warming increases rain in world's driest areas
New research reveals that global warming will increase rainfall in dry regions, but the additional water may not be available due to increased evaporation. This could lead to more frequent and intense flash flooding events in areas without adequate infrastructure.
NASA analyzes US Pacific Northwestern storm system
NASA's RapidScat instrument detected tropical-storm-force winds in a weather system affecting the Pacific Northwestern U.S. and southwestern Canada, bringing rain and snow to the region. Heavy rainfall totals of over 8 inches were estimated in some areas, with potential to alleviate California's long-lasting drought.
NASA's IMERG measures flooding rainfall in Peru
Heavy rainfall caused flooding and landslides in northern Peru, with NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) measuring extreme rainfall totals of over 700 mm. The strong El Niño was partially blamed for the abnormally high rainfall.
NASA maps El Niño's shift on US precipitation
NASA has visualized rainfall data to show the changes in US precipitation during El Niño, with areas like California and East Coast experiencing wet conditions. However, other parts of the country faced droughts and floods due to shifts in precipitation patterns.
Climate change speeds up gully erosion
Heavy rainfall causes gullies to expand rapidly, with predicted climate change increasing rates up to three times faster. Researchers have developed a model to predict gully expansion and warn of devastating consequences for agriculture, water quality, and infrastructure.
NASA sees category 5 southern Pacific Tropical cyclone hit Fiji
Tropical Cyclone Winston made landfall in eastern Fiji as a Category 5 hurricane, bringing powerful winds and heavy rainfall. The storm dropped rain at a rate of over 169 mm/hour near its center.
NASA's GPM sees Tropical Cyclone Uriah start weakening trend
GPM satellite reveals heavy rainfall and a well-defined circular eye in Tropical Cyclone Uriah, but also detects a weakening trend starting on Feb. 17, with maximum sustained winds peaking at 125 knots (144 mph) on Feb. 18.
NASA catches Tropical Cyclone Uriah nearing peak
Tropical Cyclone Uriah intensifies to a Category Four hurricane with sustained winds near 115 knots, expected to reach peak intensity of 125 knots on Feb 18. Heavy rainfall and thunderstorms are observed south of the storm's center.
NASA sees Tropical Cyclone Winston threatening Tonga and American Samoa
Tropical cyclone strengthening off Southwestern Pacific threatens Tonga and American Samoa with heavy rainfall, moving northeast at 10 knots. NASA satellites have observed cloud top temperatures exceeding -63 degrees Fahrenheit, indicating a high-intensity storm.
The Nullarbor Plain's ancient forests revealed
Scientists dated fossilized pollen to show the Nullarbor Plain was once home to gum and eucalyptus trees before a dramatic climate shift. The region's history reveals a rainfall increase of up to four times higher than today, contradicting its modern arid conditions.
Intensifying Atlantic storm examined by NASA's GPM
GPM's radar measured heavy rainfall in the Atlantic Ocean east of the Virginia coast, with rates exceeding 25 mm per hour. The low-pressure area also packed strong winds, generating gusts up to 65 mph, particularly across southeastern New England.
NASA's GPM satellite examines violent thunderstorms
The NASA GPM satellite examined violent thunderstorms in the southern US on February 2-3, with one powerful storm in North Carolina dropping rain at an extreme rate of 112.96 mm (4.4 inches) per hour. The satellite's radar instruments measured precipitation within the area and created a 3D cross-section through the storms.
Record Missouri flooding was manmade calamity, scientist says
Scientists found that recent developments near the Meramec River, including a levee and landfill, significantly magnified flood levels. The study showed that floods are becoming more chaotic, unpredictable, and severe due to human activities such as development in floodways and floodplains.
NASA measures 10 days of US extreme precipitation from space
NASA analyzed satellite data measuring heavy precipitation in southern Florida, California, and across the Great Plains from late January to early February. The IMERG mission estimated over 200mm of precipitation in some areas, with powerful winds bringing down trees and power lines.
The seawater temperature distribution in tropics affects the rainfall in East Asia
Research by the University of Tsukuba's Hiroaki Ueda and Youichi Kamae group reveals a connection between tropical seawater temperatures and changes in East Asian monsoon patterns. The study found that specific trends in tropical sea surface temperatures can explain recent changes in the region's summer rainfall.
NASA sees the end of Tropical Cyclone Stan over Western Australia
Tropical Cyclone Stan weakened to a remnant low pressure area after landfall in Western Australia on January 30, 2016. The system dropped significant rainfall, with 77.8 mm recorded at Menzies and 40.4mm at Red Rocks Point.
Man-made climate change helped cause south of England floods, say scientists
A study by Oxford University scientists found that human-induced climate change increased the risk of severe storms in the south of England, leading to devastating flooding. The analysis attributed the increase in extreme rainfall to thermodynamic changes in the atmosphere and westerly air flow.
Moon's tidal forces affect amount of rainfall on Earth
New University of Washington research shows that the lunar forces affect the amount of rain on Earth, though very slightly, with a change of about 1 percent of total rainfall variation. The effect is due to the moon's gravitational tug causing higher air pressure and increasing temperature, making it less favorable for precipitation.
Mercury levels in rainfall are rising in parts of North America, study finds
Researchers found recent increases in mercury concentrations in rainfall at many sites across the continent, with positive trends in central regions consistent with increased emissions from Asia. The findings suggest that reductions in North American mercury emissions are primarily benefiting the eastern United States.
GPM flies over dissipating Tropical cyclone Corentin
The Global Precipitation Measurement (GPM) satellite observed Tropical Cyclone Corentin, which was weakening due to high vertical wind shear. Rainfall data showed moderate to heavy rainfall in bands southeast of the exposed center of low-level circulation.
A new model emerges for monsoons in a changing global climate
A new study suggests that continent-scale monsoons will adapt gradually to climate change, with changes in land use and greenhouse gas concentrations prompting adjustments in massive air circulations. Despite predictions of a sudden shift, the researchers argue that monsoon rainfall will change smoothly over time.
NASA eyes powerful winter storm spreading into mid-Atlantic
A powerful winter storm is expected to bring heavy snowfall and blizzard conditions to the Mid-Atlantic region. Snowfall totals may exceed 2 feet in some areas, including Baltimore and Washington D.C., with gusty winds and storm surge flooding also possible.
NASA sees gulf coast severe weather from developing winter storm
A historic blizzard is forecast for Washington, D.C., while states from Texas to Florida experience severe weather due to a developing winter storm. Severe weather, including hail and at least one reported tornado, has been observed along the Gulf Coast.
NASA measures rainfall in newborn Tropical Cyclone Corentin
Tropical Cyclone Corentin developed with intense showers dropping rain at rates of over 71 mm/hour in strong storms. NASA's GPM mission provided a 3D view of the storm, revealing heights of 13 km (8 miles) in its feeder band.
NASA provides in-depth analysis of unusual Tropical Storm Alex
Tropical Storm Alex formed in January 2016, becoming the earliest hurricane to do so since 1938. NASA analyzed storm data using AIRS, RapidScat, GPM, and Suomi NPP satellites, revealing strongest winds at 30 meters per second and rainfall rates decreasing significantly after declaration as a hurricane.
Weather-worn lizards might adapt to new climates
A study by James Cook University scientists found that lizards in environmentally variable areas can tolerate more fluctuations, leading to wider ranges. Climate change predictions are met with evidence of species adapting to extreme weather events.
NASA analyzes Hurricane Pali's rainfall rates
NASA analyzed data from GPM core observatory and Suomi NPP satellite, discovering the hurricane had an eye forming with heavy rain falling at 84.5 mm per hour on its eastern side. The storm's convective storms reached heights of over 12 km, while its strongest feeder band wrapped around its eastern side.
NASA analyzes winds and rainfall in unusual Atlantic system 90L
The National Hurricane Center has been monitoring System 90L, a low-pressure center producing winds of over 52 knots (60 mph) and heavy rainfall rates up to 94 mm/h. The system's strongest winds were observed southwest and southeast of the low pressure center.
Tropical Cyclone Ula's winds, rainfall seen by NASA's GPM and RapidScat
Tropical Cyclone Ula reached category four status with winds of 115 knots, but weakened to 50 knots by Jan. 12. NASA's GPM measured heavy rain falling at over 63.5 mm/h near the storm's eye.
NASA looks at storms hitting California
NASA estimated rainfall over a 7-day period while analyzing satellite data from the Eastern Pacific Ocean, revealing extreme rain events affecting southern California. The analysis showed highest rainfall totals of over 4.5 inches in the eastern Pacific and 4 inches near Lake Tahoe.
Redirected flood waters lead to unintended consequences
The Headwaters Diversion system, built to protect agricultural lands from overflow and Ozark Plateau runoff, has increased peak flow of Mississippi River water and led to increased flooding. Climate scientists predict a continued pattern of extreme rainfall events, exacerbating the issue.
NASA sees Tropical Cyclone Ula's eye and rainfall
Tropical Cyclone Ula formed on Dec 30 and intensified with rain rates exceeding 83.6 mm per hour, generating rough surf and dangerous coastal conditions for Fiji and American Samoa.
NASA analyzes Paraguay's heavy rainfall
NASA analyzed rainfall totals in Paraguay and found the highest amounts occurred northeast of Asuncion, with over 400 mm recorded in central and southern parts. The strong El Niño phenomenon is believed to be the cause of the heavy flooding, affecting over 150,000 people across Argentina, Brazil, Paraguay, and Uruguay.
NASA looks at deadly weather over the US
The NASA GPM mission analyzed extreme weather in the US from December 2015, detecting heavy rainfall, tornado outbreaks, and record-breaking flooding. The analysis revealed a line of tornadic thunderstorms moving through the Midwest, generating two tornadoes and 14 deaths.
Satellite animation shows powerful storm in central US
A massive low pressure system generated severe weather, including tornadoes, heavy rainfall, and snow, in the southwestern and central US. The storm system brought significant impacts, particularly to Texas, Oklahoma, New Mexico, Missouri, Arkansas, Mississippi, Alabama, and the Florida Panhandle.
NASA finds huge rainfall totals from Typhoon Melor over Philippines
Typhoon Melor brought heavy rainfall to the Philippines, with northeastern Luzon experiencing over 771 mm of rain. The central region received nearly three feet of rain, surpassing initial estimates.
NASA sees remnants of Tropical Depression 29W over Southern Philippines
NASA's Aqua satellite captured temperature data on the storm's remnant low pressure area after it made landfall in Caraga / Manay, Davao Oriental. The remnant area is expected to bring moderate to occasionally heavy rains and isolated thunderstorms over several regions.
NASA looks at Tropical Cyclone Melor's rainfall and dissipation
NASA used its Terra satellite to observe Melor after it weakened into a trough of low pressure. The storm spread moisture over Luzon, with light to moderate precipitation falling on the island.
NASA examines global impacts of the 2015 El Nino
The 2015 El Nino event is expected to bring more precipitation to California, with atmospheric rivers intensifying and potentially causing flooding. Meanwhile, the risk of wildfires in tropical regions increases due to reduced rainfall, which can exacerbate carbon dioxide buildup and air quality issues.
NASA's GPM measured Super Typhoon Melor's heavy rainfall
Super Typhoon Melor dropped heavy rainfall on the Philippines in December 2015, with the Global Precipitation Measurement (GPM) satellite capturing its intensity. The GPM data showed that the storm's eye wall was producing intense storms with precipitation rates of over 86 mm/hour.
Tropical groundwater resources resilient to climate change
A new study found that tropical groundwater is replenished disproportionately from heavy rainfalls, making it a climate-resilient source of freshwater. The long-term viability of these resources relies on the replenishment of groundwater supplies.
NASA measures rainfall in Tropical Cyclone Bohale
Tropical cyclone Bohale's powerful thunderstorms were dropping rain at a rate of over 77 mm per hour near its center of circulation. A 3-D image created using GPM data showed the structure of precipitation within the storm, with thunderstorm tops reaching heights above 16.6 km.
NASA sees formation of Tropical Depression Melor in northwestern Pacific Ocean
Tropical Depression Melor formed in the Northwestern Pacific Ocean close to Yap island, consolidating with powerful thunderstorms and cloud top temperatures exceeding -63F. The storm is expected to strengthen to 60 knots before landfall in the eastern Philippines on Dec. 14.
US Pacific Northwest's extreme rainfall tallied by NASA's IMERG
The US Pacific Northwest experienced extreme rainfall from Dec. 2 to 9, 2015, with areas receiving over 160 mm of rain and the open waters of the Pacific Ocean seeing totals over 310 mm. This heavy moisture was attributed to atmospheric rivers originating in the Western Pacific Ocean.
Satellite animation shows series of storms pummel Pacific Northwest
A series of low-pressure areas pummelled the Pacific Northwest from Nov. 29 to Dec. 9, 2015, bringing heavy rain and snow to western Washington and northwestern Oregon. The National Weather Service described the event as a classic atmospheric river event with subtropical moisture and upper-level disturbances affecting the region.
NASA IMERG data Hurricane Sandra's heavy rainfall
Hurricane Sandra's rainfall was extensively studied using NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) data. The analysis showed that the hurricane produced over 700 mm of rainfall in an area northeast of Puerto Vallarta, Mexico.
NASA sees Tropical Cyclone Tuni becomes extra-tropical
Tropical Cyclone Tuni lost its tropical characteristics and became extra-tropical as it moved southeast in the Southern Pacific Ocean. The storm's maximum sustained winds decreased from 60.4 mph to 40 mph, with heavy rain falling at a rate of over 1.4 inches per hour.
NASA sees Tropical Storm Sandra being shredded by wind shear
Tropical Storm Sandra is decoupling from its lower layer due to strong upper-level winds, resulting in a tight swirl of low clouds devoid of deep convection. This weakening trend is expected to produce 2-4 inches of rainfall across western Mexico, leading to life-threatening flash floods and mudslides.