The Global Precipitation Measurement mission tracked Hurricane Lester as it continued through the Eastern Pacific Ocean, showing extremely heavy rainfall rates of over 7.1 inches per hour. The satellite also revealed a strong hurricane with maximum sustained winds near 140 mph and estimated minimum central pressure of 948 millibars.
Tropical Depression 9 has intensified in the Gulf of Mexico, with deep convection and intense rainfall observed. The National Hurricane Center forecasts strengthening and a possible storm surge for northern Florida.
Tropical Depression 8 formed off the coast of North Carolina in the Atlantic Ocean, with NASA's Global Precipitation Measurement mission providing detailed analysis. The depression was predicted to strengthen slowly over the next 48 hours, bringing heavy rainfall and isolated maximum amounts of 5 inches to far eastern North Carolina.
Tropical Storm Lester, the 12th named storm of the 2016 eastern Pacific Ocean, was analyzed by NASA's GPM core satellite. The storm showed moderate intensity bands of rain curving around its eastern side, with rainfall rates reaching over 54 mm per hour.
A tropical wave is bringing heavy rainfall and gusty winds to islands in the Atlantic Ocean and northeastern Caribbean Sea. The National Hurricane Center predicts that the system could develop into a tropical depression, posing danger to the Bahamas and southeastern United States.
Typhoon Lionrock intensified as it passed over the western edge of its eye, with GPM measuring intense storms and rainfall rates exceeding 222 mm/hour. The typhoon's wind speeds increased to 126.6 mph, making it a category three on the Saffir-Simpson scale.
The Global Precipitation Measurement mission captured data on Tropical Depression Kay's remaining rainfall, which was limited to a small area. The storm had been devoid of deep convection and thunderstorms for about 12 hours when it faded from the record.
Climate researchers found that global climate models become increasingly uncertain when making predictions at scales below approximately 600 miles for temperature changes and 1200 miles for precipitation patterns. This makes it difficult to predict regional variations, such as the difference in warming between Indianapolis and Pittsburgh.
Tropical Storm Gaston intensified in the Atlantic Ocean with rainfall rates reaching up to 141 mm per hour. The GPM satellite provided detailed measurements of precipitation, cloud heights, and storm tops.
Tropical Depression 6 formed in the far eastern North Atlantic Ocean on August 16, 2016, with NASA and NOAA satellites providing key data. The depression showed signs of organization, with strong rainfall bands and intense showers dropping rain at a rate of over 155 mm/h.
The Global Precipitation Measurement mission gathered extensive rainfall data on Louisiana storms, finding intense rainfall rates of over 3.9 inches per hour and storm tops reaching 9.9 miles high.
The IMERG data revealed the most extreme rainfall fell over the northern Gulf of Mexico, with estimates suggesting 20-35 inches of precipitation. Heavy rainfall and flooding have affected parts of Florida, Louisiana, and the Mississippi Gulf Coast.
Researchers discovered that calcium-silicate-hydrates dissolve at high-stress regions and re-precipitate at low-stress regions, leading to 'creep' deformation. This finding could help develop mechanistic models for predicting creep behavior and identifying cementation agents with reduced sensitivity.
Tropical Storm Darby brought heavy rainfall and strong winds to the Hawaiian Islands, with rainfall rates reaching up to 5.4 inches per hour. The Global Precipitation Measurement mission detected intense storms southeast of the Big Island, causing widespread flooding and prompting evacuation warnings.
Tropical Storm Georgette developed in the eastern Pacific Ocean, intensifying into a tropical storm with maximum sustained winds reaching 45 mph. GPM data revealed extremely heavy rain and storm top heights over 14 km, indicating favorable conditions for cyclone formation.
GPM data showed heavy rainfall on Estelle's eastern side, later shifting west of center. Precipitation rates reached over 65 mm/h, with some storms having heights exceeding 11.6 km.
Scientists studied Tropical Cyclone Abela using satellite data, which provided insights into its rainfall rates and cloud heights. The cyclone's low-level center was exposed due to wind shear, causing convective storms to form southeast of the center.
Tropical Storm Celia weakened in the Eastern Pacific Ocean with NASA data showing strongest winds and storms shifted north of the center. The Global Precipitation Measurement satellite found rain falling at over 164 mm per hour within a feeder band, indicating significant convective activity.
A new study reveals that changes in wind patterns are the main driver of California droughts, rather than moisture levels. Researchers analyzed 30-year data sets to find that atmospheric circulation disturbances have a significant impact on drought frequency and severity.
A powerful tropical depression was weakening over the Arabian Sea, with maximum sustained winds near 30 knots. Heavy rainfall rates of over 8.2 inches per hour were recorded southwest of the storm's center, indicating a severe weather system.
NASA's Global Precipitation Measurement mission tracked Tropical Storm Danielle as it made landfall north of Tuxpan, Mexico. Heavy rainfall rates were measured at moderate to heavy levels, with some areas experiencing precipitation at rates over 41 mm/h, indicating a rapid weakening of the storm.
Heavy rainfall from Tropical Storm Colin led to widespread flooding in Florida and Georgia, with over 250 mm of rain recorded in some areas. NASA's IMERG data analysis showed Colin's heaviest precipitation occurred over central Florida, with extreme amounts exceeding 280 mm.
Tropical Depression Bonnie experienced heavy rainfall from organized thunderstorms, measuring up to 4.9 inches per hour. The system weakened due to increased vertical shear and colder sea surface temperatures.
NASA's GPM satellite has detected a developing low-pressure system in the Atlantic Ocean between Bermuda and the Bahamas, which could potentially become a tropical or subtropical cyclone. Increasing shower activity near the center of the system suggests it may be on track to develop into a storm.
A University of Utah study suggests that spring snowpack in higher elevations will be more dependent on precipitation than temperature in a warming climate. By the end of the century, the threshold elevation for temperature-controlled snowpack is expected to rise by around 800 feet, affecting ski resorts and water resources.
Scientists reconstruct ancient precipitation patterns in Greenland using aquatic plant leaf waxes, finding evidence of increased snowfall from 6,000 to 4,000 years ago. This trend is consistent with the hypothesis that global warming could drive Arctic snowfall increases, slowing ice sheet shrinkage and sea level rise.
Researchers discovered an insulating layer of air that forms near the surface during winter, reducing evaporation and precipitation on the ice sheet. This phenomenon explains why temperature has risen without increased precipitation on the central parts of the Greenland ice sheet.
A University of Maryland School of Public Health study found that extreme heat and heavy rainfall increase the risk of asthma hospitalization in Maryland. The study showed a 23% increase in hospitalizations during summer months, particularly among children.
Tropical Cyclone Amos weakened and dissipated in the Southern Pacific Ocean on April 24, 2016, after being torn apart by increasing wind shear. The storm's elongation was evident in composite satellite images, with heaviest rainfall appearing in its northwestern quadrant.
Tropical Cyclone Fantala reached Category Five intensity with maximum sustained winds of 150 knots (173 mph), making it one of the strongest storms in the South Indian Ocean. NASA satellites tracked the storm's intense rainfall and powerful thunderstorms, providing critical data on its size and wind patterns.
Tropical cyclone Fantala continues to intensify, moving westward over the South Indian Ocean. The storm's maximum sustained winds reached 100 knots on April 15, making it a Category 4 hurricane and a major threat to Mauritius.
New research finds that chemical weathering can weaken rock structures in river beds, making them more susceptible to erosion. The study reveals a positive feedback loop where high precipitation rates maintain high erosion rates despite continuously exposing 'fresh rock'.
A new study simulates climate change effects on Rocky Mountain stream systems, finding that warmer temperatures have a greater impact on streamflow than changes in precipitation type. This can lead to reduced streamflow and altered groundwater recharge patterns.
A University of Washington project, MICRE, is studying the properties and impacts of Southern Ocean clouds on the surface. The project will help ground-truth satellite measurements and provide new data for improved global climate models.
A new study in Nature finds large variations in precipitation over the past millennium, with stronger extremes in earlier centuries than in the twentieth century. This analysis enables improved accuracy of climate models and better prediction of future precipitation changes.
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.
Recent decades have seen increased frequency of large-scale atmospheric circulation patterns associated with California's precipitation and temperature extremes. The researchers found that the 'Ridiculously Resilient Ridge' pattern, which diverts winter storms northward, has become more common, leading to increased dry conditions.
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.
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.
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.
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 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.
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.
A Dartmouth College-led team has developed a new method to project future climate scenarios at the local level, addressing the limitations of global climate models in predicting climate changes at regional scales. The method generates high-resolution climate datasets for assessing impacts on small watersheds like Lake Champlain.
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.
A tropical low-pressure area is consolidating into a depression in the Southern Indian Ocean, with powerful convective storms dropping rain at a rate of over 3.7 inches per hour near Madagascar's eastern coast. The system's winds are expected to continue developing over the next 24 hours, posing a threat to the region.
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.
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.
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 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 major winter storm has departed the Eastern Seaboard, bringing record-breaking snowfall to the Mid-Atlantic region. The storm set multiple snowfall records in states such as Maryland, Virginia, and Pennsylvania, with some areas receiving up to 3.5 feet of snow.
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.
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.
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.
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.
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.
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.
Sea spray from oceans sends aerosols into the atmosphere, affecting cloud formation and duration. The unique ice nucleating particles in sea spray initiate the formation of ice in clouds, impacting their composition.
A Dartmouth College-led study finds that melting sea ice will significantly increase Arctic precipitation, creating a climate feedback comparable to doubling global carbon dioxide. The researchers used isotopic compositions of precipitation to quantify the link between precipitation and sea ice change.
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.