Articles tagged with Oceans
Tropical Storm Maliksi had maximum sustained winds of 45 knots east of its center on Oct. 3, with cloud-top temperatures as cold as -63 Fahrenheit. The storm is forecast to weaken due to strong vertical wind shear and transition into an extra-tropical cyclone.
Tropical Storm Gaemi shows signs of strengthening with powerful thunderstorms and a band wrapping into the low-level center. NASA satellite imagery reveals the storm's disorganization but expects it to become more circular over the next couple of days.
NASA has observed Tropical Depression 21W in the northwestern Pacific, with sustained winds near 25 knots. The system is expected to curve westward and make landfall along central Vietnam's coast by October 6 or 7.
A new study projects a 14-20% decline in maximum fish body weight by 2050, with the tropics being most impacted. The research highlights the need to curb greenhouse gas emissions and monitor changes to ocean ecosystems.
A magnitude-8.6 East Indian Ocean earthquake triggered a global increase in seismic activity, with unprecedented large aftershocks occurring worldwide. The study highlights the predictable changes in seismicity, shedding light on more than a decade-long debate about remotely triggered earthquakes.
A magnitude 8.6 earthquake in the East Indian Ocean triggered quakes around the world for at least a week, according to a new analysis. The study found that some faults weren't immediately affected by seismic waves but were primed to break up six days later.
Tropical Storm Miriam has weakened to a tropical storm in the Eastern Pacific Ocean, with maximum sustained winds near 65 mph. Wind shear and decreasing sea surface temperatures will continue to weaken the storm over the next several days.
Super Typhoon Jelawat showed intense rainfall rates around its eye, while Tropical Storm Ewiniar's heaviest rainfall was pushed north of its center due to wind shear. NASA's TRMM satellite measured heavy rainfall rates of up to 3.1 inches per hour in Jelawat.
A Wayne State University researcher is part of a national project to find accessible methane hydrate resources, which could provide untapped economic and energy security. The two-year grant aims to improve computer simulation programs for predicting gas production from these natural ice-lattice structures.
Super Typhoon Jelawat's cloud top temperatures exceeded -63F, indicating uplift and strengthening. Tropical Storm Ewinar is getting organized due to wind shear from nearby Typhoon Jelawat.
Tropical Storm Nadine is nearing the Azores, prompting weather watches and warnings. Satellite imagery shows the storm's strongest convection north of its center, while ocean swells may affect the islands.
Tropical Storm Kristy is weakening due to adverse atmospheric conditions and cooler waters, while another system is developing with a 50% chance of formation over the weekend. Environmental conditions are expected to improve for the second low-pressure area, but satellite data shows it has become disorganized.
Tropical Storm Leslie and Hurricane Michael are being closely monitored by NASA, with Leslie now past Bermuda and Michael weakening due to cooler waters. Leslie is expected to transition from a warm core system to a cold core system, while Michael's weakening is attributed to atmospheric conditions and ocean temperatures.
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.
Typhoon Tembin is intensifying and moving towards Taiwan, with forecasted landfall on August 23. Tropical Storm Bolaven is also strengthening and expected to become a typhoon as it heads northwest around August 25-26. Both storms are being closely monitored by NASA satellites.
Hurricane Gordon was tracked for three days by NASA satellites, showing its strength and eye structure. The storm weakened to a tropical storm on August 20 with maximum sustained winds near 70 mph.
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.
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 Depression 8 strengthened into Tropical Storm Gordon on August 15, after days of organization and development across the eastern Atlantic. The storm is expected to track east into the Atlantic, potentially affecting the Azores, with strengthening expected over warm waters.
Tropical Storm Hector continues to weaken, while Tropical Depression 7's remnants move over Central America. Hector's small circulation is spinning off Mexico's western coast, with the remnants of TD7 producing showers and thunderstorms across parts of Central America and Mexico.
The US received a slightly above average score of 63 in the Ocean Health Index, which evaluates global oceans in critical aspects. Key findings include high biodiversity scores and strong coastal livelihoods, but poor food provision and pollution concerns.
Tropical Storm Florence developed over the eastern Atlantic, strengthened briefly, and then weakened due to dry air and Saharan dust. NASA's Aqua satellite captured infrared images of the storm on August 4 and 5, showing a larger spiraled storm with diminishing thunderstorms.
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.
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.
NASA's GOES-15 satellite captured an image of three tropical systems chasing each other in the eastern Pacific Ocean, with Tropical Storm Daniel and Hurricane Emilia at the center. The system is expected to weaken to tropical depression status by July 11.
Tropical depression Doksuri was born in the western North Pacific Ocean on June 26, 2012. The NASA Terra satellite captured an infrared image revealing higher thunderstorms around the center of the cyclone.
The Kiel Cluster of Excellence 'The Future Ocean' has secured funding for its second phase, focusing on natural resources, biological diversity, and gas exchange. This will enable the team to provide a scientific basis for sustainable ocean management and engage in dialogue with decision makers.
A review of global ocean commitments has shown little success over the past 20 years. Despite international agreements, governments have failed to meet targets for protecting vulnerable species and marine habitats, leading to increased fish stock depletion and ecosystem destruction.
Tropical Storm Guchol is consolidating convection and thunderstorms over its low-level circulation center. The storm's slow development is hindered by dry air along its northern edge, resulting in a smaller size.
Bess B. Ward has received the 2012 Procter & Gamble Award in Applied and Environmental Microbiology for her sustained influence on marine microbiology and contributions to understanding nitrogen cycling processes in low-oxygen regions of the ocean.
Post-tropical storm Alberto's remnants interact with a cold front off the US East coast, moving northeast. The weak circulation dissipates by May 25, according to the National Hurricane Center.
NASA satellites captured Tropical Storm Bud in the eastern Pacific Ocean on May 21 and May 22, revealing a well-formed storm. Forecasters expect Bud to strengthen into a hurricane due to light wind shear and warm sea surface temperatures.
Tropical Depression 03W is expected to strengthen as it approaches Guam, with NASA's TRMM satellite detecting a hot tower at 15 kilometers high. The storm will bring rain and gusty winds to the island over the next couple of days.
A new study finds that many species of reef-building corals can adapt to warming waters by relying on multiple algal symbionts. This ability may help corals survive future losses due to ocean temperatures increases.
System 96W is consolidating with bands of thunderstorms wrapping around the center, indicating a strengthening tropical depression. Forecasters predict a medium chance of strengthening due to favorable wind conditions and warm sea surface temperatures.
A new study reveals that the Indian monsoon has undergone significant changes over the last few millennia, from a steady humid monsoon to extended periods of drought. The research provides insights into the impact of the monsoon on past cultures and could help model future monsoons.
The Nereus model provides a global view of life in the world's oceans, predicting a decline in large fish biomass and an increase in small fish populations. The model also shows the impact of human activities, climate change, and fisheries management on ocean life.
As ice melts in the Far North, Canada faces growing challenges but also opportunities to lead international governance in ocean law. David VanderZwaag, a leading expert, emphasizes the country's strengths in ocean governance and suggests advancing laws on shipping regulation, ocean governance and marine biodiversity protection.
Cyclone Jasmine has maintained Category One hurricane status with maximum sustained winds near 75 knots (86 mph), and its eye is now about 60 nautical miles in diameter. The storm is moving southeast at 8 knots (9 mph) through an area of stable air, weakening the warm tropical cyclone.
A new study reveals that the deadliest mass extinction, 'The Great Dying', was not a sudden event but occurred gradually. The researchers found evidence of gradual decline in marine life, with some species dying up to 100,000 years before the main extinction event.
A recent study published in the Geological Society of America Bulletin suggests that Earth's largest mass extinction, known as 'The Great Dying,' occurred over hundreds of thousands of years, not suddenly. The research, led by Thomas Algeo from the University of Cincinnati, found evidence of a prolonged die-off of marine life due to ma...
Researchers at the University of Washington have advanced a technique called metagenomics, allowing them to single out a marine microorganism and map its genome even though it comprised only 7 percent of a water sample. The resulting genome offers hints that Euryarchaeota might serve as a cleanup crew after diatoms bloom and die.
A new assessment by Robert H. Condon and colleagues challenges the idea that jellyfish are dominating the seas, citing a lack of scientific evidence supporting this claim. The researchers suggest that recent blooms and increased media attention have fueled the perception of an increase in jellyfish populations.
Tropical Storm Ethel is intensifying due to warm sea surface temperatures and low wind shear. The storm's maximum sustained winds were near 35 knots (40 mph) on January 19.
Louis St. Laurent of the Woods Hole Oceanographic Institution received the 2012 Nicholas P. Fofonoff Award for his groundbreaking research on small-scale mixing processes and dynamical processes involved. The award recognizes his fundamental contributions to understanding ocean dynamics.
Researchers at the Virginia Institute of Marine Science have developed genetic markers to test blue marlin for their ocean of origin. The new test can accurately determine if a blue marlin was taken from the Atlantic or Pacific Ocean, helping federal seafood agents enforce regulations and prevent overfishing.
Tropical Cyclone 01S has formed in the Southern Indian Ocean with maximum sustained winds near 63 mph. The cyclone is rapidly consolidating and organizing, strengthening forecasted over the next two days.
NASA satellites track Hurricane Kenneth's record-breaking path, reaching category three status with maximum sustained winds of near 145 mph. The storm is expected to weaken due to cooler sea surface temperatures and increasing wind shear.
A new study reveals that the diversity of organisms living on coral reefs is much greater than previously thought, with 525 species of crustaceans found in a small sample area. This underestimation highlights the need for further research and conservation efforts to protect these endangered habitats.
Researchers have discovered a remarkable fossil site in Nevada where the remains of nine 45-foot-long ichthyosaurs suggest an even larger and more cunning sea monster existed: a Triassic kraken. The evidence implies that this ancient cephalopod was capable of intelligent manipulation of bones and preyed on these massive reptiles.
Tropical Storm Maria is expected to strengthen over the next two days, with maximum sustained winds near 50 mph. Hurricane Katia, a Category one hurricane, is moving between Bermuda and the U.S., prompting a tropical storm watch for the island.
Researchers discovered a specific type of bacteria capturing carbon dioxide in the 'twilight zone' of the ocean, a region thought to be inhospitable for photosynthesis. The study provides new insights into the dark ocean's carbon cycle and challenges previous assumptions about the role of Archaea.
MIT researchers found evidence that tiny aerobic organisms may have evolved to survive on extremely low levels of oxygen in oceanic 'oxygen oases.' Laboratory experiments with yeast suggest early ancestors could have thrived with minimal O2, reconciling a debate over early Earth's atmosphere.
The TRMM satellite captured rainfall data on four areas in the Atlantic Ocean that have potential for developing into tropical cyclones. System 92L and 93L show improved organization, but no surface circulation has formed yet.
Hurricane Dora's eye was visible on multiple NASA satellites, including Aqua and GOES-11, providing forecasters with clear views of the storm's intensification. The National Hurricane Center expects some weakening by tonight and rapid weakening on Friday as Dora battles wind shear and cooler waters.
A triple-header of tropical cyclones was captured by the GOES-13 satellite on July 20, including System 99L, Tropical Storm Bret, and Hurricane Dora. System 99L is showing signs of organization and potential to become a tropical depression in the next 48 hours.
Tropical Storm Bret formed in the northwestern Bahamas on July 17, strengthened into a tropical storm by July 18, and continued to intensify. The GOES-13 satellite recorded the storm's development, providing a video of its birth and strengthening process.
Tropical Storm Arlene formed over the southwestern Gulf of Mexico, strengthening into a full-fledged hurricane with sustained winds near 40 mph. The GOES-13 satellite captured the storm's development from June 27 to June 28, revealing its transformation from a low-pressure area to a tropical storm.
Researchers discovered two distinct populations of coconuts, indicating separate cultivation origins in the Pacific and Indian Ocean basins. The study also found evidence of prehistoric trade routes and the colonization of the Americas through coconut genetics.
Puyehue-Cordón Volcano in Chile erupted on June 4, prompting 3,500 evacuations. NASA's Terra Satellite, GOES-13, and GOES-11 captured images of the massive ash plume blowing northeast and southeast across the Atlantic Ocean.