Articles tagged with Clouds
The GOES-13 satellite captured images of a powerful weather system that triggered severe weather in the southern US, resulting in 243 tornadoes across 13 states. The National Weather Service confirmed EF3 and EF2 tornadoes with wind speeds up to 160mph, causing widespread damage and power outages.
Tropical Depression Errol is weakening due to land-crossing and increasing wind shear, with cloud-top temperatures warming and indicating lower thunderstorm heights. NASA's Aqua satellite captured infrared images showing the depression's reduced convection and expected dissipation in the Southern Indian Ocean.
Scientists from Brookhaven National Laboratory are heading to Oklahoma to take atmospheric measurements and improve global climate models. The six-week study will provide the most complete characterization of convective cloud systems ever obtained, enabling more accurate representation of these processes in climate models.
A new computer-generated forecast provides pilots with critical weather information on the likelihood of encountering in-flight icing conditions. The Forecast Icing Product with Severity (FIP-Severity) offers 12-hour forecasts that help users plan safe flight paths, reducing accidents and costs related to icing hazards.
Tropical Cyclone Bune formed from System 99P in the South Pacific Ocean, intensifying into a tropical storm with strong winds and high waves. NASA's Aqua satellite captured infrared images showing the storm's strongest convection on its north side, indicating powerful thunderstorms.
The Cassini spacecraft has observed methane rain on Titan's equatorial deserts, revealing the first current evidence of rain soaking Titan's surface at low latitudes. This finding suggests that recent weather on Titan is similar to Earth's tropical regions.
The NASA Aqua and TRMM satellites detected heavy rain and strong thunderstorms in Sub-tropical Storm Arani, with cloud top temperatures as cold as -63F. The storm's strongest thunderstorms reached heights of over 14 km above the surface, producing powerful rainfall.
The Aqua satellite provided near-infrared/visible, infrared, and microwave light views of Ireland on March 3, 2011, capturing mostly clear skies with temperatures near normal for the time of year. The images revealed a cold front approaching from the west and showed navigable rivers extending inland.
System 96P is developing tropically near Vanuatu, with strong convection and tropical cyclone warnings issued by the government. Infrared satellite imagery shows increased deep convection over a low-level circulation center, but wind shear may weaken the storm.
Tropical Storm Bingiza continues to impact western Madagascar, with strong thunderstorms and heavy rainfall reported over the region. The storm's cloud tops reached temperatures as low as -52 degrees Celsius, indicating strong convection and thunderstorms.
Tropical Cyclone Bingiza made landfall in northeastern Madagascar, with NASA's Aqua and Terra satellites capturing visible infrared satellite data of the storm's progression. The cyclone brought heavy rainfall and gusty winds to the region.
A study by Fraunhofer-Gesellschaft and Hertie School of Governance explores the benefits and risks of cloud computing for public administration in Germany. Researchers are developing application scenarios for interoperable use of cloud-computing technologies, while also creating a Cloud Computing Test Laboratory to test security concepts.
Researchers have spotted Kelvin-Helmholtz instabilities in exploding cloud material from the Sun, similar to those seen in Earth's clouds. These instabilities could help predict the Solar System's 'weather'.
Researchers using NASA's Cassini spacecraft have discovered thin, wispy clouds of ice particles similar to Earth's cirrus clouds on Titan's atmosphere. These clouds provide valuable insights into the workings of Titan's atmosphere and its one-way cycle that delivers hydrocarbons to the ground.
A multi-agency project investigates the effects of air pollution on California's precipitation, with research flights documenting cloud microphysics and aerosol impacts. The goal is to improve climate projections and planning for water and energy resources.
A massive winter storm hit the US, with some areas receiving record-breaking snowfall. The GOES-13 satellite data suggests that Punxsutawney Phil may not have seen his shadow, potentially altering the traditional Groundhog Day prediction.
NASA satellites reveal Cyclone Yasi's heaviest rainfall falling at a rate of about 2 inches per hour on the south and eastern sides, with frigid temperatures in its thunderstorms. The storm is expected to make landfall near Cairns in Queensland by Wednesday at a projected strength of 130 knots.
NASA's Aqua satellite captured an infrared image of Tropical Storm 10S, showing very cold clouds and powerful thunderstorms over the Southern Indian Ocean. The storm quickly strengthened into a tropical storm and affects Western Australia's northern coast.
Tropical Storm Vince is expected to U-turn and take a westward track away from Western Australia due to high pressure. The storm's maximum sustained winds were down to 39 mph on January 14, with moderate vertical wind shear affecting its organization.
A low-pressure system with signs of tropical development has been observed in the Coral Sea, northeast of Australia, according to NASA's Aqua satellite. The system, known as System 94P, is expected to track towards Port Moresby, Papua New Guinea, over the next couple of days.
The TRMM satellite provided a 3-D image of Vania with thunderstorms reaching 15 kilometers high, while Aqua satellite infrared data showed strongest convection over open waters. Tropical Storm Vania is forecast to move south and brush New Caledonia before weakening due to wind shear and cooler sea temperatures.
Scientists have discovered a new method to estimate volcanic plume properties by detecting lightning in ash clouds. This approach allows for remote monitoring of plume height and is detectable over thousands of kilometers away.
Scientists developed an instrument that measures individual particle sizes and compositions, revealing a complex landscape of aerosol particles. The research improved computer models of the atmosphere by accounting for the varying effects of different chemistries on climate.
A team of atmospheric scientists will gather data from clouds at four different elevations on Mount Werner for five months. The data will help improve climate models by verifying the accuracy of measurements used in computer simulations.
A new study by Andrew Dessler at Texas A&M University found that cloud feedback will amplify global warming over the next century. The research uses measurements from NASA's Terra satellite and meteorological analyses to calculate energy trapped by clouds as climate varied over the last decade.
A Texas A&M University geoscientist is mapping the meaning of mid-level clouds using NASA satellite data. She aims to develop a common nomenclature for these understudied clouds, which play a crucial role in the climate-change equation. Her research has revolutionized atmospheric studies and will help create more accurate climate models.
Current global climate models predict varying levels of warming, with disagreement mainly stemming from different representations of clouds. Researchers from the University of Hawaii at Manoa have assessed model performance in simulating clouds, presenting a new approach to determining expected cloud feedbacks in a warmer climate.
Tropical Cyclone Jal made landfall in east central India, bringing heavy rainfall and flooding. The storm's remnants are now moving into the northeastern Arabian Sea, prompting forecasts of possible regeneration.
The GOES-13 satellite is monitoring a cold front approaching the remnants of Hurricane Tomas, which has lost its tropical characteristics and now resembles a nor'easter. The satellite imagery shows the cold front as a line of clouds east of the US East coast, with Tomas' remnants appearing as a tight swirl of clouds near Bermuda.
Hurricane Tomas strengthened to hurricane status, affecting Hispaniola and eastern Cuba. The GOES-13 satellite provided a visible image of the storm's extensive cloud cover on Nov. 5.
Scientists have discovered a connection between the stratospheric quasi-biennial oscillation (QBO) and El Niño-Southern Oscillation, with QBO signals exhibiting weaker amplitudes and faster cycles during El Niño conditions. Additionally, a new method separates pollution's effects on clouds from sea spray's influence, revealing distinct...
Tropical Storm Tomas is intensifying due to strengthening convection and colder cloud tops detected by NASA's infrared satellite imagery. The storm is expected to bring heavy rainfall and life-threatening flashfloods to several Caribbean islands.
Tropical Storm Tomas has weakened into a tropical depression due to decreased convection and increased wind shear. Forecasters predict a re-intensification of the storm into a hurricane before it reaches Haiti late Friday.
Scientists have found toxic levels of chemicals near the Deepwater Horizon oil spill site, with PAH concentrations extending up to 13 kilometers from the wellhead. A global study on moisture recycling reveals that water can originate from distant regions or be recycled within a region, affecting global water resources.
Research from Tel Aviv University reveals that cloud seeding with materials like silver iodide and frozen carbon dioxide does not produce rain. Instead, changes in weather patterns are responsible for increased rainfall.
The A-Train constellation of satellites, including Aqua, CloudSat, CALIPSO, and Aura, observe the same path of Earth's atmosphere and surface at various wavelengths. Multi-sensor measurements from the A-Train have helped scientists understand unexpected factors contributing to Arctic sea ice loss in 2007.
Typhoon Megi is forecast to make landfall in southeastern China late at night on October 22 as a Category One typhoon. NASA satellites have been monitoring the storm's rainfall, changing cloud cover, and weakening eye, which weakened due to wind shear.
Typhoon Megi is intensifying in the South China Sea due to high clouds filled with ice creating heavy rainfall. The storm's maximum sustained winds reached 110 knots (126 mph) near Hong Kong, China.
Otto intensified into the Atlantic Ocean's 8th hurricane on October 8, bringing heavy rainfall to the northern Leeward Islands and Puerto Rico. The storm is expected to strengthen due to light wind shear and warm waters but may weaken when it encounters cooler waters.
Tropical Storm Otto formed over the Atlantic Ocean after two changes in less than 24 hours. NASA's TRMM and Aqua satellites detected cold, high thunderstorm cloud tops and heavy rainfall near the storm.
Tropical Depression 14W forms near Hainan Island, China, with strong thunderstorms and rapid wind shear detected by NASA's Aqua satellite. The depression's organization and punch are being weakened by wind shear, which is expected to make it turn north-northeast before making a brief landfall in southern China.
A low pressure area designated as System 97L has an 80% chance of developing into a tropical depression over the next 48 hours. The system is expected to bring locally heavy rainfall to the Leeward Islands, Virgin Islands, Puerto Rico, and Hispaniola in the coming days.
Scientists are struggling to explain the recent increase in Antarctic sea ice extent, with a new study suggesting that ozone depletion is not the primary cause. Meanwhile, researchers have also gained new insights into lunar topography using high-resolution data from the Lunar Orbiter Laser Altimeter. Additionally, a study on Earth's r...
Tropical Storm Nicole has weakened into a remnant low pressure area off the Florida coast. A massive trough of low pressure over the eastern seaboard is streaming tropical moisture from Nicole's remnants, bringing heavy rainfall totals to the region.
Tropical Storm Nicole strengthened with NASA's satellite data revealing high thunderstorm clouds and heavy rainfall. The storm is expected to produce life-threatening flash floods and mudslides over the Cayman Islands, Jamaica, and Cuba.
Tropical Depression 16 has strengthened due to cold cloud top temperatures, indicating stronger thunderstorms. The storm is expected to bring heavy rains and squally conditions to the Caribbean before moving towards Florida.
NASA's Aqua and TRMM satellites detected increasing cloud top temperatures and heavy rainfall around Tropical Storm Matthew. The storm is expected to strengthen further, bringing hurricane conditions and potential flooding to the region.
Tropical Storm Lisa is currently a tropical storm with maximum sustained winds near 50 mph, forecast to weaken due to colder waters and strong wind shear, then become a remnant low pressure system in the eastern Atlantic by early next week.
NASA's CloudSat satellite observed a powerful heat engine in Typhoon Malakas, with strong convection and heavy rainfall reported. The storm had maximum winds of around 115 mph and a minimum central pressure of 965 millibars.
Tropical Storm Malakas is expected to strengthen as it approaches Iwo To due to cold cloud top temperatures. The storm's high sea levels and northward movement pose a threat to the island.
Tropical Depression 15 forms in the south-central Caribbean Sea with maximum sustained winds near 35 mph, prompting watches and warnings for Central America. The storm is forecast to strengthen into a tropical storm possibly within the next day due to warm waters.
Tropical Storm Georgette formed rapidly south of Cabo San Lucas, Mexico, with the GOES-11 satellite capturing its clouds extending over extreme southern Baja California. The storm is forecast to make landfall in western Mexico, bringing heavy rainfall and tropical storm-force winds.
Hurricane Igor underwent significant changes in shape and strength due to NASA's MODIS and AIRS instruments, which captured its transformation from a rounded storm to a comma-shaped storm over three days. The storm's cold cloud temperatures and cloud cover were also analyzed by the AIRS instrument.
The Amazon Basin acts as a self-contained biogeochemical reactor during the rainy season, producing organic material that serves as cloud condensation nuclei. This process allows scientists to investigate natural cloud formation and precipitation without human influence.
Hurricane Karl's powerful thunderstorms featured very high icy cloud tops, while moderate to heavy rainfall was observed from the storm. The GRIP mission gathered valuable data on Karl's rapid intensification, which went from a tropical storm to a Category 3 hurricane overnight into Friday.
Hurricane Julia has weakened to a Category 2 storm due to wind shear and cooler sea surface temperatures. The storm is being pulled northwest by mid-level winds, causing its main convection to shift away from the center, resulting in weakening.
Karl strengthened into a hurricane as it moved across the Gulf of Mexico, bringing heavy rainfall and strong winds to the region. The storm is forecast to make landfall in mainland Mexico late Friday or Friday night, with minimum central pressure at 983 millibars.
Research team isolates aerosol particles in near-pristine pre-industrial conditions, shedding light on cloud formation and precipitation. Organic compounds from plants are found to be a primary source of submicron particles, which can affect climate.
Researchers found that pristine rainforests in the Amazon produce aerosol particles that act as seeds for cloud formation and precipitation. These particles are formed from organic molecules emitted by trees and other biological matter, and play a crucial role in sustaining the hydrological cycle.
Researchers isolated aerosol particles in near-pristine pre-industrial conditions, providing crucial clues about cloud formation and differences between natural and polluted environments. The finding could help understand global climate change and inform modeling of anthropogenic perturbations.