Articles tagged with Convection
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Tropical Depression 01W made a brief landfall over southern Vietnam on January 16, dissolving into the Gulf of Thailand by January 17. The depression was disorganized and lacked deep convection, according to satellite imagery.
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.
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.
Researchers from the University of Extremadura and Sapienza University of Rome have discovered a new type of convection in granular fluids. This lateral-wall thermal convection is produced by inert walls and exhibits distinct properties compared to traditional fluid dynamics.
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.
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.
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.
Tropical Storm Madeline has weakened to a tropical storm with maximum sustained winds near 65 mph, passing just south of Hawaii's Big Island. The storm is expected to continue moving west at 14 mph and weaken further over the next 48 hours.
NASA's Aqua Satellite observed Tropical Depression Kay devoid of thunderstorms as it passed overhead on August 23. The depression was fueled by cool waters near Baja California, but lacked sufficient convection to sustain storms.
Tropical Depression Fiona has weakened into a post-tropical depression, with maximum sustained winds decreased to near 30 mph. The low pressure area is expected to move northwestward and then westward, gradually weakening over the next couple of days.
Tropical Storm Kay's strengthening is attributed to strong convection, with cold cloud top temperatures exceeding minus 63 degrees Fahrenheit. Forecasted to pass near Mexico, the storm will then weaken and turn westward into the Eastern Pacific.
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.
A new study by Yale University researcher Jun Korenaga suggests that planets like Earth form through multiple giant impacts, leading to diverse sizes and internal temperatures. This lack of self-regulating mantle convection has significant implications for planetary habitability.
Tropical Storm Howard is weakening due to cooler waters and increasing instability, with maximum sustained winds decreasing to near 45 mph. Forecasters expect the storm to become a remnant low in 24-36 hours, potentially sooner if organized convection redevelops.
Tropical Storm Estelle was transitioning to a post-tropical cyclone when NASA's Suomi NPP satellite captured its visible image on July 22. The storm showed minimal convection and was moving west-northwest at 16 mph.
Tropical Storm Estelle has a circular storm with two areas of strongest convection, indicating rising air that forms thunderstorms. The storm is strong and almost symmetrical but is being slowed by dry air in the mid-levels.
Tropical Cyclone Abela continues to weaken, with two areas of strong convection remaining: one west and one southeast. The JTWC predicts Abela will dissipate by July 20 as it tracks towards northeastern Madagascar.
Hurricane Darby's strength is decreasing due to warming cloud tops, indicating a weakening circulation with strong convection. The storm is expected to become a tropical storm later today, with maximum sustained winds remaining near 75mph.
New Horizons team members used computer models to determine the depth and rate of Pluto's convective cells, which are 10-30 miles across and less than a million years old. These cells help support Pluto's atmosphere by refreshing its surface.
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.
A Purdue team suggests Rayleigh-Bénard convection cells explain the quilted appearance of Sputnik Planum region on Pluto. The researchers found that convection could produce the unique terrain, which would renew the surface and erase impact craters.
Researchers directly measured the thermal conductivity of iron at pressures and temperatures corresponding to planetary core conditions for the first time. The results, published in Nature, contradict theoretical calculations and resolve a long-standing debate about the so-called geodynamo paradox.
Tropical Cyclone Emeraude is weakening due to a partially exposed low-level circulation center and moderate vertical wind shear. The storm will continue to lose strength over the next couple of days as it moves westward through the open waters of the Southern Indian Ocean.
Researchers at TU Darmstadt develop a new technique to fabricate microlens arrays with highly regular structures, reducing costs and time. The method uses cellular convection in a thick liquid layer to pattern a thin polymer film, ideal for photovoltaic systems.
Hurricane Pali is a record-breaking storm that strengthened rapidly after being spotted by NASA's Terra satellite. The storm made landfall as the earliest hurricane on record in the central Pacific basin, with maximum sustained winds of 90 mph and a minimum central pressure of 979 millibars.
Tropical Depression 19E continues to move through the Eastern Pacific Ocean, with poorly organized cloud patterns and a small area of deep convection. The depression is forecast to strengthen into a tropical storm later this week.
Tropical Storm Ida is a somewhat shapeless system with wind shear affecting its structure. The storm is moving eastward and expected to turn northward by tonight, followed by northwestward motion.
Tropical Storm Malia was on a northwesterly track, moving away from the Hawaiian Islands on Sept. 22. Satellite imagery showed a span of 250 nautical miles between the storm's center and strongest thunderstorms.
Tropical Depression 9 is battling strong vertical wind shear and dry air, leading to its weakening. The depression is expected to degenerate into a remnant low pressure area in 24 hours or less due to persistent environmental conditions.
A PhD candidate at Queen's University has made a groundbreaking discovery of the first massive binary star with magnetic fields. The research provides new insights into the origin of magnetism in massive stars and may help explain why only 10% of these stars have strong magnetic fields.
Tropical Storm Kevin's center is located near the southern tip of Baja California, Mexico, with maximum sustained winds of 60 mph. The storm is expected to weaken due to decreasing sea surface temperatures and increasing vertical wind shear, leading to a depression by September 6.
Tropical Depression 14E appears as an asymmetric mass of clouds and thunderstorms due to southwesterly vertical wind shear. Maximum sustained winds are near 35 mph, with a potential for the depression to strengthen into a tropical storm.
Satellite imagery shows Tropical Storm Fred losing its punch, with no strong thunderstorms developing in the storm. The RapidScat instrument measured the strongest winds tightly circling the center, but they are not indicative of a strengthening storm.
A Columbia Engineering team has developed a new approach to model the Amazon seasonal cycle, correcting inaccuracies in general circulation models. The high-resolution atmospheric model resolves clouds and convection, providing a more accurate understanding of water and carbon cycles.
Tropical Depression Danny was already affecting the Leeward Islands when NASA's Terra satellite passed overhead. The storm is expected to produce heavy rainfall over several islands in the region.
The 11th tropical depression of the season formed near latitude 16.8 North and longitude 113.5 West on August 13, moving northwest towards Baja California. Maximum sustained winds reached 35 mph before gradual weakening was expected.
NASA's Terra satellite detected a surge in thunderstorm development on Molave, leading to its regaining of tropical storm status. The storm is intensifying as it moves northeast, expected to reach peak intensity of 60 knots (69 mph) before becoming extra-tropical.
Tropical Storm Hilda formed early on August 6 in the Eastern Pacific, with the GOES-West satellite capturing its development. The storm strengthened into a tropical storm by 11 a.m. EDT and is expected to reach hurricane strength by Saturday.
Tropical Storm Enrique was located near latitude 17.3 North, longitude 129.0 West on July 14, with maximum sustained winds of 40 mph and a central pressure of 1003 mb.
Tropical Storm Enrique forms after satellite image analysis shows improved organization and convection. Maximum sustained winds reach near 40 mph with higher gusts, posing a threat to cooler sea surface temperatures and dry air in its path.
NASA's Terra satellite captured an image of Tropical Depression Iune as a elongated storm before dry air affected it. The depression is expected to become a post-tropical remnant low and dissipate by July 15.
Tropical Storm Linfa weakened due to wind shear after moving over land, with a elongated shape and deep convection in the southwest quadrant. The storm is forecast to strengthen before dissipating in the Taiwan Strait on July 10.
Tropical Storm Kujira experienced strong vertical wind shear, displacing convection from its center. The strongest storms had coldest cloud top temperatures, indicating potential for heavy rainfall.
Tropical Storm Andres has weakened significantly, transitioning from a hurricane to a tropical storm as it moves over cooler waters. Swells generated by the storm are affecting western coast of Mexico, causing life-threatening surf and rip current conditions.
NASA's Aqua satellite captured a visible image of Tropical Storm Haishen over the Fananu and Federated States of Micronesia. The storm weakened to a tropical depression with maximum sustained winds near 25 knots, moving northwest at 7 knots.
Typhoon Maysak wrapped its strongest sustained winds tightly around the center, extending up to 30 m/s (67.1 mph/108 kph) in the Northwestern Pacific Ocean. The storm is expected to weaken and make landfall in the northern Philippines as a tropical depression.
Tropical Cyclone Bavi is losing steam due to moderate to strong southwesterly vertical wind shear, resulting in waning convection and developing thunderstorms. The storm is expected to dissipate in the next day or two as it tracks along the southern edge of a sub-tropical ridge.
Tropical Cyclone Nathan is consolidating and organizing, with maximum sustained winds reaching 63.2 mph (102 kph). The Joint Typhoon Warning Center expects the storm to strengthen to 70 knots (80.5 mph) in two days before weakening again.
The southern Atlantic Ocean's sub-tropical storm 90Q has fizzled out, marking the third such storm in the region since 2004. The storm formed on March 11 and was captured by NASA's Aqua satellite on March 12, showing a lack of convection and fragmented thunderstorms.
Researchers have discovered tiny magnetic particles in meteorites that retain a faithful record of the magnetic fields generated by their parent bodies. By analyzing these particles, scientists were able to reconstruct the history of magnetic activity on the meteorite parent body and capture the moment when the core finished solidifying.
NASA's GOES-West satellite captured Tropical Storm Rachel, the 18th tropical depression of the Eastern Pacific. The storm took an oval shape due to wind shear, indicating a disturbance in its circulation. Forecasters predict strengthening over the next couple of days before weakening into a depression.
Numerical models suggest that Miranda's corona formation was driven by tidal heating and convection in the ice mantle. This process is similar to plate tectonics on Earth, resulting in extensional tectonic faults and surface deformation.
Post-tropical cyclone Norbert is weakening and losing strength, but still causing rough surf along the Baja California coast. The storm's remnants are expected to spread heavy rains and life-threatening flash flooding across northern Mexico and the southwestern United States.
Hurricane Marie has transitioned into a post-tropical storm, losing organized deep convection and thunderstorm development. The animation from NASA's GOES Project shows the storm's structure being blown apart, with clouds and showers north of the center.
Hurricane Marie is expected to swallow Tropical Depression Karina, which is being drawn into the powerful circulation of the hurricane. Karina's maximum sustained winds have dropped to 30 mph (45 kph), weakening the depression as it moves southeast at 6 mph (9 kph).
Former Hurricane Lowell has degenerated into a remnant low pressure area, with its center located near latitude 24.7 north and longitude 127.4 west, about 1,110 miles from Baja California, Mexico.
Tropical Storm Julio's strong thunderstorms have weakened, with cloud tops warming and dropping lower in the atmosphere. The storm is expected to continue weakening and lose its tropical characteristics due to cooler sea surface temperatures.
A NASA satellite captured a visible image of Typhoon Matmo's western quadrant sweeping over the eastern Philippines on July 20. The storm is intensifying, with maximum sustained winds near 70 knots and expected to peak at 105 knots by July 23.
A new study reveals that urbanization reduces convection efficiency by 58 percent in wetter climates, leading to a significant rise in daytime temperatures. This finding challenges the long-held belief that vegetation loss is the primary cause of the urban heat island effect.
Former Hurricane Cristina has lost all its convection and thunderstorms, becoming a ghost of its former self. The system has weakened to a remnant low pressure area with maximum sustained winds near 20-25 knots (23-29 mph/37-46 kph) in the Eastern Pacific.