Articles tagged with Clouds
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NASA's Aqua satellite captured two images of Hurricane Leslie on Sept. 5, just as it was being re-classified from a tropical storm to a hurricane. The MODIS and AIRS instruments provided infrared and visible imagery of the storm, showing an eye had formed in Leslie.
Tropical Storm Michael showcased strong thunderstorms in its northeastern 'arm' with cloud top temperatures reaching -63 Fahrenheit (-52 Celsius), indicating heavy rainfall. The storm is expected to continue moving northeast and may strengthen into a hurricane by Friday due to relaxing wind shear.
Post-tropical cyclone John's cloud top temperatures warmed by 24 hours, with one tiny area of convection remaining. The remnants of the storm are moving northwest and expected to dissipate later today.
Tropical Storm John existed for only one day, intensifying from a depression to a storm and weakening back into a depression. NASA's Aqua satellite observed convection and cloud top temperatures, but these features diminished as the storm moved north into cooler waters.
Tropical Storm Michael formed on Sept 4 with winds of near 40 mph, struggling to intensify like sister storms Leslie and Isaac. Remnants of Isaac blanket the US east coast, while Leslie heads towards Bermuda, larger in size than Michael.
Tropical Storm Tembin made landfall in southwestern South Korea, with NASA's Aqua satellite capturing the storm's elongated cloud cover. The storm's central convection was decaying rapidly due to southwesterly wind shear, losing its energy.
NASA's TRMM satellite spotted hot towers around Ileana's center, indicating a strong increase to hurricane status. The storm strengthened into a Category 2 hurricane with sustained winds of 80 mph within 24 hours.
Tropical Storm Kirk intensified into a hurricane on Aug. 30, becoming the fifth of the season, while Tropical Depression 12 formed in the central Atlantic Ocean. TD12 is expected to strengthen over warm waters and potentially become a hurricane by Sept. 2.
Tropical Storm Kirk is strengthening due to powerful thunderstorms and will likely turn into a hurricane over the weekend, according to NASA infrared imagery.
Tropical Storm Bolaven made landfall on Aug. 28, moving quickly over land while transitioning into an ex-tropical storm. NASA's Terra satellite captured the remnants of Bolaven mostly centered over eastern China.
Tropical Storm Bolaven is generating heavy rainfall and has been causing concern for flooding as it makes landfall in North Korea and southeastern China. The storm's cloud cover was extensive, blanketing the region with heavy precipitation rates greater than 75 mm/hr.
Tropical Storm Isaac is expected to make landfall in the US Gulf Coast, bringing storm surge and heavy rainfall. NASA satellites are providing critical data for forecasters to track the storm's progress.
Researchers observed rapid transport of exhaust plume from final space shuttle launch to the Arctic, forming unusually bright polar mesospheric clouds. The findings are critical for improving forecasts of communication signal propagation and over-the-horizon-radar.
Tropical Storm Isaac is showing signs of consolidation according to NASA's infrared time series data, indicating a more organized circulation center. The storm is expected to strengthen into a hurricane over warm waters of the Gulf of Mexico.
Typhoon Bolaven appears twice as large as Typhoon Tembin in a stunning image from NASA's Aqua satellite, with Bolaven's visible eye dominating the scene. Both storms show strong uplift and cold cloud top temperatures, indicating intense storm activity.
NASA has detected a newborn Tropical Storm Joyce in the Central Atlantic, with organized circulation and cold cloud top temperatures indicating strength. The storm is being affected by a dry Saharan air layer, which is unusual for tropical cyclones, and is expected to follow a southern edge of high pressure over the ocean.
Scientists suggest cloud seeding could reduce hurricane power by a category by increasing sunlight reflection in clouds above hurricane development regions. The technique, Marine Cloud Brightening, could also lead to increased rainfall in some areas but not others.
Tropical Storm Bolaven formed over August 18-19 in the western North Pacific and strengthened under NASA's monitoring. The storm took on a more rounded shape, with colder thunderstorm cloud-top temperatures indicating intensification.
Typhoon Tembin rapidly intensified over the past 24 hours, growing from a tropical depression to a powerful typhoon with maximum sustained winds near 95 knots. The storm is moving slowly north-northeast and is expected to track across Taiwan by August 23.
Researchers at University of Washington suggest testing the concept of marine cloud brightening through a small-scale experiment. The study aims to investigate the feasibility and potential climatological impacts of adding sea salt particles to clouds over oceans, which could create a cooling effect on Earth.
Tropical Storm Gordon's clouds became less symmetric due to southwesterly wind shear, indicating a shift in its circulation. The storm was moving eastward at 18 mph with sustained winds near 65 mph.
Tropical Storm Kai-tak continues to drop heavy rainfall and move toward a landfall in China, with NASA tracking its progress using infrared data from the Aqua satellite. Forecasters warn of potential intensification to typhoon strength before landfall near Hong Kong.
Scientists used two jets to film sprites at 10,000 frames per second, capturing movies that shed light on this poorly understood phenomenon. The research aims to study the forces behind sprite formation and its connection to lightning and atmospheric energy exchange.
Hurricane Gilma showed concentrated areas of very cold cloud tops with temperatures as low as -63F (-52C), indicating powerful thunderstorms. The storm is moving towards cooler waters, expected to weaken over the next day.
Tropical Storm 13W is weakening due to rising cloud top temperatures, according to NASA's infrared imagery. The storm's maximum sustained winds were near 35 knots on August 7, and it was moving northwest at 9 knots.
Tropical Storm 13W showed strong uplift and high cloud tops north and east of its center, indicating powerful atmosphere circulation. Forecasters expect the storm to maintain intensity while tracking into drier air, preventing further intensification.
NASA's Terra satellite captured an image of Tropical Storm Ernesto as it approached the Lesser Antilles on August 2, 2012. The storm brought maximum sustained winds near 45 mph and a wind gust in Saint Lucia during the morning of August 3.
Three tropical cyclones, Tropical Storms Damrey and Saola, and Tropical Depression Haikui, are active in the northwestern Pacific Ocean. AIRS data showed that cloud top temperatures in Damrey and Saola were warming, while Haikui had a large area of cooling cloud top temperatures, indicating strong storms and heavy rain.
A NASA satellite has spotted a developing Atlantic tropical low with strong, high thunderstorms indicating organization and strength. The system, System 99L, is forecast to have a 70% chance of becoming a tropical depression in the next two days.
Typhoon Saola is approaching Taiwan but stretches over the north and central Philippines, triggering warnings. The storm's huge extent has triggered public storm warning signals across several provinces.
Tropical Storm Damrey is a compact storm system with strong thunderstorms and high cloud tops, expected to pass north of Iwo To, Japan. Forecasters predict the storm will track west-northwest over the next three days before making landfall near Shanghai, China.
A team of scientists discovered that cloud seeds can pick up molecules even when they don't collide directly with the clusters. The finding has significant implications for understanding atmospheric chemistry processes such as ozone depletion.
A low-pressure system in the western North Pacific is showing signs of organization, with NASA's Terra satellite capturing an infrared image of the area on July 27. The Joint Typhoon Warning Center has given System 93W a high chance of becoming a tropical depression over the weekend of July 28-29.
A NASA satellite has been monitoring System 92W, a low-pressure system in the western North Pacific Ocean, indicating increased power and uplift as it strengthens. The storm is expected to move west-northwest past northern Luzon, bringing heavy rainfall and potentially localized flooding.
Tropical Depression Khanun made landfall in South Korea on July 19, bringing heavy rainfall and strong winds that caused widespread flooding and power outages. The storm's remnants moved over the Sea of Japan by 11 a.m. EDT, leaving behind significant damage and one reported fatality.
Tropical Storm Khanun is weakening as it approaches a landfall in western South Korea, bringing heavy rainfall and high seas. The storm is expected to make landfall just south of the North Korean border and then rapidly weaken.
Tropical Storm Fabio is expected to bring scattered showers and thunderstorms to southern California as it approaches the coast. NASA's Aqua satellite data indicates the storm has weakened due to cooler ocean temperatures.
Tropical Cyclone Khanun strengthened after passing over the Aqua satellite on July 15, 2012, with organized thunderstorms and low cloud top temperatures indicating potential for heavy rainfall.
The Moderate Resolution Imaging Spectroradiometer (MODIS) instrument captured a visible image of Hurricane Emilia on July 12, revealing an eye with high clouds overhead. Infrared data from the Atmospheric Infrared Sounder (AIRS) instrument showed powerful thunderstorms and cold cloud tops surrounding the eye of the hurricane.
The remnants of Tropical Storm Daniel are visible on satellite imagery as a ghost-like swirl of clouds, heading towards Hawaii. The system is forecast to pass south of the state without affecting it.
Cloud top temperatures around Hurricane Emilia's eye were measured to be colder than -94F, indicating high-energy storms. NASA's Aqua and Terra satellites tracked the hurricane's rapid strengthening and weakening phases.
University of Iowa scientists have created a technique to estimate cloud properties using remote sensing observations from satellites, correcting predictions of particle concentrations. This new method is expected to find immediate application in various activities, including air quality forecasting and climate projections.
A powerful summer derecho moved from Illinois to the Mid-Atlantic states, bringing destruction and wind gusts of up to 90 mph. NASA satellites captured the event's progression and aftermath, including extensive power outages and massive blackouts.
Tropical Storm Daniel formed off western Mexico's coast and strengthened into a tropical storm, with NASA's TRMM satellite capturing images of its rainfall and towering clouds. Research shows that a hot tower in the eyewall is twice as likely to intensify within six hours than without one.
Research reveals faster water condensation on less viscous aerosol particles, affecting cloud albedo and lifetime. The study's findings provide insight into the climate's 'known unknowns', highlighting the importance of understanding condensation rates.
Debby has weakened due to interactions with land, losing organization and moving towards the Atlantic Ocean. The storm brought heavy rain and flooding to northern Florida, causing damage to Interstate 10.
A new study using Cassini images shows that turbulent jet streams on Saturn are powered by internal heat from the planet. The condensation of water vapor in mid-latitudes creates temperature differences, leading to eddies that accelerate the jets like rotating gears.
NASA captures satellite images of Tropical Storm Debby covering the entire state of Florida with a large white blanket of clouds. The storm is expected to continue crawling to the northeast, bringing heavy rainfall and tropical-storm-force winds to the region.
Hurricane Chris became the first storm of the Atlantic season to reach hurricane strength on June 21, 2012, with cloud top temperatures indicating strong thunderstorms and heavy rainfall. Forecasters expect it to weaken as it moves into stable air and cooler waters, eventually becoming a post-tropical cyclone.
A medium-chance tropical depression is possible in the south-central Gulf of Mexico, with NASA satellites providing key data on the area's low pressure. The system is expected to bring heavy rainfall and flooding to parts of Cuba, western Cuba, and southern Florida over the next couple of days.
Scientists used data from orbiting spacecraft to determine the size of carbon dioxide snow particles in Martian clouds. The study found particles at both poles are about the size of a red blood cell, with differences in size between the south and north poles.
Typhoon Guchol's high winds and storm surges pose a significant threat to Kadena Air Base, with sustained winds of up to 120.8 mph and 52-foot-high seas. The storm is expected to track near Kyoto as it continues to weaken.
Guchol, a compact system, intensified into a typhoon with cloud temperatures as low as -63 degrees Fahrenheit. The storm has maximum sustained winds near 70 knots and is expected to brush east central and northern Luzon, Philippines.
Tropical Storm Carlotta has bitter cold cloud tops, indicating strong thunderstorms and high winds. The storm is expected to strengthen into a hurricane, bringing heavy rainfall, flooding, and mudslides to the Pacific coast of Mexico.
A severe weather outbreak on June 1, 2012, generated 9 weak tornadoes across Maryland. NASA's Aqua satellite and NOAA's GOES-13 satellite provided critical information about the storm's movement and intensity, including cloud temperatures and heights.
Typhoon Mawar was observed to be producing a large area of rainfall southeast of Japan, with most heavy rainfall occurring north of the dissipating tropical cyclone's center. The storm's surface temperature and extent were also studied using NASA's Aqua satellite, revealing a lack of an eye wall and weakening circulation.
Typhoon Mawar brought heavy surf, heavy rainfall, and gusty winds to the Philippines, resulting in several missing and injured people. The storm intensified to typhoon strength before weakening and moving north-northeast, with forecasters predicting it will become an extra-tropical storm south of Japan by mid-week.
Tropical Storm Mawar is strengthening due to growing cloud top temperatures and higher thunderstorms. Forecasters expect it to reach typhoon strength before weakening, potentially affecting the Philippines and southern Japan with rainfall and rough surf.
Typhoon Sanvu is affecting Iwo To and Chichi Jima with high winds, rough seas, and heavy rainfall. The storm is expected to weaken due to cooler ocean temperatures and wind shear by the end of the weekend.
Bud has become the first hurricane of the eastern Pacific Hurricane Season, with NASA satellites providing key imagery and data. The storm is expected to bring heavy rain, strong winds, and life-threatening surf conditions to southwestern Mexico.