Articles tagged with Clouds
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers developed a cloud-screening scheme for the TANSAT satellite, utilizing radiance data from another satellite to improve performance. The new scheme shows improved results compared to existing methods and is more efficient for sensors with limited channels.
Tropical Storm Nock-ten is weakening due to wind shear, with its low-level center located south of a large area of convection and thunderstorms. The storm's shape has changed, taking on characteristics of a frontal system, indicating a decline in strength.
Tropical Depression 30W has formed over the Northwestern Pacific Ocean with strong thunderstorms and a concentrated area of cold cloud top temperatures. The storm is moving west-northwest at 9.2 mph and is expected to intensify into a typhoon by Dec. 24.
Researchers have discovered powerful changing winds on a gas giant planet, HAT-P-7b, which is 16 times larger than Earth and orbits a star 50% more massive and twice as large as the Sun. The planet's atmosphere is affected by strong winds moving across the planet, leading to catastrophic storms.
AIM observes early noctilucent cloud season on Nov. 17, 2016, tied with the earliest start yet in the Southern Hemisphere's record. The earlier seasonal change at lower altitudes sparks complex atmospheric responses.
Tropical Cyclone Nada has shown minimal strength with no associated deep convection or strong thunderstorms. The storm is forecast to move west-northwest over southern India before dissipating over land.
Tropical Cyclone Nada is being significantly impacted by wind shear, causing clouds to be pushed west of the center. As a result, the Joint Typhoon Warning Center predicts that Nada will not intensify before making landfall in southern India on December 1.
Tropical Cyclone Tokage weakened to near maximum sustained winds of 28.7 mph as it crossed the Philippines and entered the South China Sea. The storm's remnants were later spotted by NASA's Aqua satellite, showing clouds pushed north of the center of circulation.
Researchers from Colorado State University found that seabird guano emissions influence Arctic cloud properties and climate cooling. The study revealed a link between ammonia-rich bird poop and the formation of atmospheric aerosol particles, which can reflect sunlight back to space.
NASA's GOES-West satellite captured remnant clouds of Tropical Storm Tina, which weakened to a low-pressure area. The storm's remnants are expected to track west and encounter hostile atmospheric conditions, leading to further weakening.
Tropical Storm Tina rapidly formed and weakened off Mexico's southwestern coast, with maximum sustained winds decreasing from 40 to 35 mph by Nov. 14.
The study calculates the production of aerosol particles in all Earth regions and at different heights, revealing key findings about particle formation and its role in climate. It also determines the influence of cosmic radiation and human activity on cloud condensation nuclei.
Scientists from the Leibniz Institute for Tropospheric Research have published a comprehensive study revealing that current climate models overestimate the impact of dimethyl sulfide on oceanic clouds. The study found that aqueous-phase chemistry significantly reduces sulfur dioxide emissions, contradicting earlier projections.
A study published in Nature reveals that atmospheric aerosols above the Amazon rainforest originate from nanoparticles formed in the upper atmosphere. These particles are transported to the ground by clouds and rain, forming new populations of aerosol particles that act as cloud condensation nuclei.
Low-level clouds in the tropics cool the planet by reflecting solar radiation, but their impact on climate depends on spatial pattern. The study suggests that recent observed trends may underestimate global warming due to increased carbon dioxide.
Tropical Cyclone Kyant's maximum sustained winds reached 45 knots near its center, with a track taking it just north of Chennai, India. The cyclone is expected to weaken and dissipate by October 29 due to adverse conditions.
Tropical Depression 20 intensified into Hurricane Seymour in the Eastern Pacific Ocean. The storm's organization increased with symmetrical cloud patterns and deep convection near the center.
Researchers from DOE's Brookhaven National Laboratory tracked particles in the Amazon rainforest, studying how natural particles form clouds. In the absence of industrial emissions, particles are carried down by rainfall and condense into nuclei for cloud formation.
Typhoons Sarika and Haima brought extraordinary rainfall to the northern Philippines, with over 500mm of rain recorded by NASA's IMERG data. The storms also generated heavy winds and flooding, causing power outages and mudslides.
Tropical Storm Sarika made a direct hit on Hainan Island, China, as observed by NASA-NOAA's Suomi NPP satellite. The storm's maximum sustained winds dropped to 63 mph, and it is forecast to cross the Gulf of Tonkin and make final landfall in northern Vietnam.
A study of 20 major cloud hosting services found that up to 10% of repositories hosted by them had been compromised with hundreds of active malware buckets. Researchers created a scanning tool called BarFinder to identify bad content using unique features such as redirection schemes and gatekeeper elements.
Hurricane Nicole strengthened to a Category 4 storm with maximum sustained winds of 120 mph before landfall in Bermuda. The storm's large ocean swells were spreading northward along the U.S. East Coast and into Atlantic Canada.
Tropical Depression 24W formed on Oct 12 and moved west toward the Philippines on Oct 13, with NASA's Aqua satellite revealing cold cloud tops indicating potential for heavy rainfall. The depression is forecast to strengthen into a typhoon and make landfall in eastern Luzon late on Oct 15 or early on Oct 16
Data centers struggle with translating service-level objectives into precise resource requirements, leading to low utilization and high costs. Researchers at UTA create a new model that allows mapping of customer objectives to individual server needs, guaranteeing services and improving efficiency.
Tropical Depression Aere was centered near 21.7 degrees north latitude and 117.7 east longitude when NASA's Terra satellite captured its image on Oct. 11, showing a swirl of clouds about 200 miles east of Hong Kong. The storm's maximum sustained winds dropped to 28.7 mph, moving slowly to the west.
Tropical Storm Nicole is forecast to strengthen into a hurricane as it heads toward Bermuda, with maximum sustained winds now near 65 mph. The National Hurricane Center expects the center of Nicole to approach Bermuda Wednesday night and pass near Bermuda Thursday morning.
NASA-NOAA satellites captured detailed images of Hurricane Matthew's cloud tops, revealing temperatures as low as minus 80 F (-62.2 C), indicating strong storm uplift and potential heavy rain generation.
Hurricane Nicole strengthened to a hurricane on Oct. 6, joining forces with Hurricane Matthew in the Atlantic Ocean. The storm set an Atlantic Ocean record for winds exceeding 105 mph, marking the latest occurrence of two storms simultaneously reaching such speeds.
NASA's CloudSat and Soil Moisture Active Passive (SMAP) satellites tracked Hurricane Matthew's powerful winds and clouds. The storm maintained Category 3 status with maximum sustained winds near 115 mph, affecting Florida, Georgia, and the Carolinas.
Tropical Storm Nicole is significantly smaller than powerful Hurricane Matthew, which is moving through the Bahamas. The storm's cloud pattern has changed little since its formation, and it holds steady just below hurricane strength as it crawls toward Bermuda.
Scientists at the University of Innsbruck have successfully observed quasiparticles forming in real-time using ultracold quantum gases. This achievement provides new insights into the dynamics of these particles, which are crucial for understanding various physical phenomena in solid-state materials and exotic states of matter.
Hurricane Matthew regained Category 4 status with sustained winds near 140 mph and a minimum central pressure of 940 millibars. The storm is expected to cross the northwestern Bahamas today and approach the Florida coast, potentially strengthening further before landfall.
Tropical Storm Chaba has become an extra-tropical storm, with strong winds and wind shear causing it to resemble a frontal system. NASA's Aqua satellite captured visible images of the storm as it moved northeast through the Sea of Japan, affecting Japan and South Korea.
Hurricane Matthew made landfall in western Haiti on October 4, with NASA tracking its movements and intensity. The storm's maximum sustained winds reached near 145 mph, making it a category 4 hurricane on the Saffir-Simpson scale.
Post-Tropical Cyclone Hermine was still producing light to moderate showers with maximum sustained winds of about 58 mph as it rotated in the Atlantic Ocean. NASA's Global Precipitation Measurement mission detected heavy rainfall rates exceeding 1.1 inches per hour in various areas of the storm.
NASA's Aqua satellite detected cold cloud top temperatures near minus 27.6 degrees Fahrenheit over Arizona and New Mexico. The post-tropical cyclone's remnants brought heavy downpours, causing flash flooding and mudslides, as the storm weakened overnight.
A new study reveals that climate change can hinder scientific projections of storm tracks, with multiple environmental influences at play. The 'tug of war' between Arctic amplification and tropical warming affects the position of storm tracks, impacting iconic cities worldwide.
Post-Tropical Storm Hermine's center shifts east-southeast of Cape Cod, MA, as it moves into open North Atlantic waters. The storm's maximum sustained winds decrease to near 50 mph with higher gusts.
Hurricane Newton made two landfalls in Mexico, with NASA's Terra and Aqua satellites capturing its trajectory and intensity. The storm's center passed over Baja California and the mainland of western Mexico, causing high winds and flash floods in nearby areas.
Tropical Storm Lester has weakened, with a lack of thunderstorm development around its center of circulation. The storm is forecast to dissipate on Thursday as it becomes absorbed into a larger extra-tropical low near the Gulf of Alaska.
Tropical Storm Lester passed over the Hawaiian Islands on Sept 4-6, with NASA's Aqua satellite capturing an image of the weakening storm. The cyclone is expected to weaken further in the next 48 hours as it transitions into a post-tropical low.
Tropical Depression Namtheun is dissipating over the Sea of Japan due to limited convection and wind speeds near 28.7 mph. The storm ceased to qualify as a tropical cyclone after moving north-northeast at 10 knots.
Post-Tropical Cyclone Hermine continues to linger south of Long Island, New York, with strong winds affecting surf from the Mid-Atlantic to Cape Cod. The storm is moving westward at a slow pace, with a potential weakening trend in the next few days.
Tropical Depression Madeline showed a small burst of strength with strong thunderstorms developing near its center. Cloud top temperatures indicated storms stretching high into the troposphere and generating heavy rain.
Storm tracks are crucial for weather and climate in middle-latitude regions like Chicago and New York. Climate change alters the position of these tracks, with clouds playing a key role in this shift. Researchers highlight the need to expand observational efforts and improve computer simulations to better understand storm track changes.
Tropical Depression 8 dissipated about 400 miles east of Cape Hatteras, North Carolina, as indicated by NASA's Terra satellite. The system's remnants showed strong convection and rapid cloud top cooling, suggesting potential heavy rainfall.
NASA analyzed Tropical Depression 8 using infrared and visible light, finding cloud top temperatures exceeding minus 63 degrees Fahrenheit. The depression is moving northeast at 15 mph with a possible strengthening into a tropical storm later today.
Tropical Depression 9 is bringing torrential rains to western Cuba and issuing a tropical storm watch for parts of the Florida Gulf Coast. Infrared data indicates extremely cold cloud tops, indicating heavy rainfall potential.
Tropical Storm Lionrock weakened rapidly after passing over Hokkaido, Japan. The storm's cloud top temperatures were as cold as minus 60 degrees Fahrenheit.
Typhoon Lionrock is weakening as it approaches Japan, with maximum sustained winds of 80.5 mph and waves up to 26 feet high.
Using high-resolution cloud models, researchers uncover the processes taking place in the atmosphere, revealing a 'memory' state of organisation that leads to heavy rain. Collisions between clouds produce heavier rain, contradicting traditional global climate models where convective clouds are seen as independent.
NASA's AIRS and Suomi NPP satellites are monitoring Tropical Storm Gaston's weakening position in the Atlantic. The storms expected to strengthen over the next 48 hours, with forecasters warning of increased winds and potentially tighter storm structure.
Typhoon Lionrock is a powerful storm with maximum sustained winds of 105 knots, forecast to make landfall near Tokyo on August 30th. Its intensity track remains uncertain, with some predicting it will weaken and others that it will remain strong.
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.
NASA's Aqua satellite analyzed Tropical Depression 13E with its Atmospheric Infrared Sounder instrument, indicating strengthening thunderstorms and cold cloud tops. The depression is expected to continue strengthening over the next couple of days, potentially becoming a hurricane.
A new tropical depression has formed north of Guam, prompting a tropical storm warning for nearby islands. The depression is expected to track northward, bringing strong winds and heavy rainfall to the area.
Tropical Storm Fiona weakened significantly as NASA-NOAA's Suomi NPP satellite captured its image on Aug. 22. The storm's clouds were pushed east by strong westerly shear, leading to a decrease in organization and thunderstorm activity.
Tropical Storm Lionrock showed a large low-level center with shallow and weak thunderstorms wrapping into an ill-defined center. The storm was moving southwestward at 14.9 mph, with the strongest winds in its northern quadrant.
Tropical Storm Fiona is strengthening in the northeastern Atlantic Ocean, with maximum sustained winds of near 45 mph. The storm's movement and pressure are expected to continue west-northwest for the next couple of days.
Tropical Depression 10W has formed near Guam with strong thunderstorms and cold top temperatures, generating potential for heavy rainfall. The storm is expected to continue moving north-northwestward over the next several days, potentially intensifying into a minimal tropical storm by August 22-23.