Articles tagged with Oceans
Tropical Cyclone Oma is a large hurricane with a well-defined eye surrounded by powerful thunderstorms. The system struggled to intensify due to its large size, according to the Joint Typhoon Warning Center.
Tropical Cyclone Oma brought strong thunderstorms and powerful winds to New Caledonia, located east of Australia, on February 19. The storm's eye was surrounded by the southern Pacific Ocean, with the northern tip of the island near its eyewall.
Tropical Cyclone Oma has been located northwest of the island of Vanuatu in the South Pacific Ocean, prompting heavy rainfall and flash flooding warnings for several provinces. The satellite imagery revealed a large area of powerful thunderstorms wrapping into the low-level center.
NASA's Terra satellite captured visible imagery of Tropical Storm Gelena in the Southern Indian Ocean on Feb 13. The storm was centered near 26 degrees north latitude and 79 degrees east longitude, with maximum sustained winds near 55 knots.
Tropical Cyclone Gelena is being weakened due to strong westerly winds and wind shear, causing its rotation to be skewed. The storm is expected to dissipate in two days as it moves over cooler sea surface temperatures.
Wind shear weakened Tropical Cyclone Gelena to a tropical storm, with maximum sustained winds near 63 mph. Forecasters predict dissipation of the storm by February 14, three days from observation.
Tropical Cyclone Funani's strongest rains wrapped around the center and extended northwest, with heaviest rainfall found around the center and a fragmented band of thunderstorms northwest. Rainfall rates reached up to 13 mm per hour, as the storm continued to move southeast towards Mauritius.
Tropical Cyclone Gelena's coldest cloud top temperatures were recorded in the northwestern quadrant, indicating high rain-generating clouds. Maximum sustained winds near 105 knots (121 mph) are forecast to strengthen and then weaken within 24 hours.
NASA's Aqua satellite captured a visible image of Tropical Cyclone Funani revealing a small pinhole eye surrounded by powerful thunderstorms. The storm rapidly intensified into a Category 4 hurricane with maximum sustained winds near 115 knots.
Researchers are unsure if microplastics cause harm to people as they accumulate in the body and organs, with varying effects depending on composition and additives. Microplastics have been identified in human feces, raising concerns about potential health risks.
Tropical Cyclone Gelena intensified rapidly after its formation as Tropical Depression 13S. The storm developed a cloud-filled eye and bands of thunderstorms wrapping into the low-level center, according to NASA's Aqua satellite imagery.
Tropical Cyclone 12S has developed in the Southern Indian Ocean, with NASA-NOAA's Suomi NPP satellite capturing its formation on Feb. 5, 2019. The storm is expected to strengthen into a hurricane-force storm by Feb. 7, affecting the Republic of Mauritius.
Tropical Cyclone Riley was affected by easterly wind shear, which pushed clouds and storms west of its center. The Moderate Resolution Imaging Spectroradiometer (MODIS) instrument captured a visible image of the storm on January 29, 2019.
New research shows climate change is shifting how the atmosphere and oceans move heat around the globe, with significant effects on global temperatures. The study found that warming temperatures are driving increased heat transfer in the atmosphere, while reducing it in the ocean.
A study published in Environmental Science & Technology found that body size and sea-surface temperature are primary factors affecting methylmercury levels in tuna. The researchers developed a model to predict mercury levels, which worked well for most regions but underestimated levels in certain areas.
Researchers successfully recreated Hokusai's famous 'Great Wave' using laboratory mirrors, gaining insights into the physics of freak waves. The study found that a crossing angle of approximately 120 degrees was critical to reproducing the wave, highlighting new wave breaking behavior.
Researchers found that humpback whale populations in the South Atlantic and Indian Oceans share similar song types, with males from different populations coming into contact to learn songs from each other. Over time, shared phrases and themes emerged, with similarities detected across years.
Tropical Cyclone Cilida rapidly intensified off the coast of Mauritius, with maximum sustained winds reaching 135 knots. The storm is expected to strengthen before weakening in four days, transitioning into an extra-tropical cyclone.
NASA-NOAA's Suomi NPP satellite observed two Category 2 hurricanes, Tropical Cyclone Kenanga and Tropical Cyclone Cilida, in the Southern Indian Ocean on Dec. 20, 2018. Both storms were sporting an eye and had maximum sustained winds near 90 knots (103.6 mph).
Tropical Cyclone Cilida showed a cloud-covered eye with powerful thunderstorms circling its 18 nautical mile wide center. The storm intensified rapidly by 55 knots in 24 hours due to warm sea surface temperatures and light outside winds.
Tropical Cyclone Kenanga was at hurricane-force when captured by NASA-NOAA's Suomi NPP satellite on Dec. 18. The image showed the eye surrounded by powerful thunderstorms and a large band of storms extending from the south to east.
Tropical Depression Phethai made landfall in southeastern India on Dec 17, causing significant wind shear that affected the storm's trajectory. NASA's Aqua satellite captured a visible image of Phethai after its landfall, revealing the bulk of clouds and showers north and east of the center of circulation.
Researchers discovered that diatoms storing iron through ferritin are more resilient to iron shortages, outcompeting others in shifting ocean conditions. This finding has significant implications for marine food webs and large ocean cycles.
NASA-NOAA's Suomi NPP satellite captured the remnants of Tropical Cyclone Owen showing a consolidating low level circulation center with deep convection building over the center. Sea surface temperatures are conducive for future tropical cyclone development, and forecast models indicate potential development over the next 24-36 hours.
Tropical Cyclone Owen weakened from a tropical storm to a depression due to wind shear, resulting in disorganized storm patterns and reduced thunderstorm development. The Joint Typhoon Warning Center notes a chance for the storm to re-strengthen after two days when wind shear relaxes.
Research from the Sea Around Us initiative reveals that fishing companies could have increased profits by $50 million and $3-9.1 million by adopting sustainable fishing practices for menhaden and anchoveta stocks, respectively.
Typhoon Man-yi's eye has become cloud-filled due to outside winds, indicating a weakening storm. The Joint Typhoon Warning Center predicts the storm will make a sharp turn to the northeast and pass east of Okinawa Island, Japan.
Tropical Storm Man-Yi is strengthening in the Northwestern Pacific, with warnings in effect for the Federated States of Micronesia and the Mariana Islands. The storm is expected to intensify into a typhoon by Thursday, potentially reaching winds of up to 110 mph.
Tropical Depression Man-yi has formed over the Northwestern Pacific Ocean, triggering watches and warnings for several Pacific island nations. The storm is expected to intensify through Friday, possibly becoming a tropical storm, with maximum sustained winds of 30 mph.
Tropical Cyclone Bouchra formed on Nov. 10 and dissipated by Nov. 13, with maximum sustained winds of 34.5 mph. Wind shear weakened the storm's rotation, causing it to disintegrate.
Tropical Cyclone Gaja formed on November 10 and strengthened into a tropical storm with maximum sustained winds near 40 mph. The satellite imagery showed an elongated storm with disorganized rain bands and fragmented convection patterns, moving west-southwest towards southern India.
Tropical cyclone Alcide formed in the South Indian Ocean northeast of Madagascar, prompting NASA's Global Precipitation Measurement mission to analyze its rainfall. GPM's data revealed strong convective storms dropping rain at a rate of over 44 mm/hour, with measurements of precipitation heights made possible by DPR Ku Band radar.
A study found that warmer ocean temperatures reduce maternal care and immune response in fur seal pups, leading to increased hookworm infections and deaths. In colder years, pups receive more care and have a stronger immune system.
Tropical Cyclone 03S has formed in the Southern Indian Ocean with maximum sustained winds near 35 knots. The storm is moving west-southwestward and is expected to strengthen over the next several days, according to NASA satellite imagery.
A recent study led by Princeton University researchers found that the world's oceans have absorbed 13 zettajoules of heat energy per year between 1991 and 2016, exceeding previous estimates by 60%. This increase in ocean warming suggests that Earth is more sensitive to fossil-fuel emissions than previously thought.
The US Navy's Task Force Ocean aims to advance its tactical advantage through better understanding of the ocean environment. The initiative will increase research funding and sponsor graduate students and post-doctorates in physical oceanography and acoustics.
Typhoon Yutu is intensifying east of Guam, with maximum sustained winds reaching 90 mph. The storm is expected to maintain its general course and speed over the next 24 hours, bringing typhoon-force winds up to 60 miles from the center.
A special journal issue explores the relationship between rising oxygen levels and the emergence of complex life, suggesting that increased oxygen may have driven innovation in animal body plans. However, debate remains among scientists regarding the cause-and-effect relationship between oxygenation and the evolution of complex life.
Tropical Storm Yutu rapidly intensified from a tropical depression, becoming a storm with strong thunderstorms and winds of up to 50 mph. The storm is expected to pass just north of Saipan late Wednesday night or Thursday morning, posing a threat to Guam.
NASA's Aqua satellite captured infrared data on the remnants of Tropical Storm Tara, which had weakened to maximum sustained winds near 35 mph. The storm produced scattered thunderstorms with cloud top temperatures as cold as -63 degrees Fahrenheit, posing a threat of life-threatening flash floods and mudslides in Mexico.
NASA satellite imagery revealed heavy rainfall affecting eastern Pennsylvania, New Jersey, and the northeastern US, with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The Global Precipitation Measurement mission found the heaviest rainfall falling at a rate of over 1.6 inches per hour south of Long Island, New York.
Tropical Cyclone Luban is a symmetrical storm with a cloud-filled eye and powerful thunderstorms. It is forecast to make landfall in Oman between Lukalla and Salalah on Oct. 14.
Hurricane Leslie is forecasted to impact southern Spain and Portugal with heavy rain and strong winds. The storm will pass north of Madeira Island on Saturday and move inland over the Iberian Peninsula by Sunday.
NASA's Suomi NPP satellite tracked Tropical Cyclone Titli as it intensified over the Northern Indian Ocean, forming a ragged eye surrounded by powerful storms. The storm is expected to make landfall over northeastern India, prompting JTWC forecasters to predict a recurve northeastward over land.
The GPM core satellite measured rainfall rates within Typhoon Kong-Rey, revealing powerful storms in the northeastern eyewall producing over 1.4 inches of rain per hour. The Joint Typhoon Warning Center reports the storm is moving north-northwest towards Okinawa and Japan.
Hurricane Walaka is intensifying as a category 4 storm, with cloud top temperatures indicating strong thunderstorms capable of heavy rain. The hurricane is expected to turn toward the north-northeast with a faster forward motion, bringing powerful winds and potential weakening.
NASA's Aqua satellite detected Tropical Storm Liua in the southern Pacific Ocean with two strongest storm areas west and northeast of its center. The storms had cloud top temperatures as cold as minus 80 degrees Fahrenheit, capable of generating heavy rainfall.
Typhoon Trami showed a wide and ragged eye with deep convection and developing thunderstorms in NASA-NOAA's Suomi NPP satellite image on Sept. 27, 2018. The storm was located near latitude 22.2 degrees north and longitude 128.6 degrees east, with maximum sustained winds of 90 knots.
NASA-NOAA's Suomi NPP satellite observed Tropical Storm Rosa strengthening into the Eastern Pacific's tenth hurricane. The storm is expected to become a major hurricane on Thursday, Sept. 27, with maximum sustained winds near 75 mph and rapid intensification forecast.
The Suomi NPP satellite observed Tropical Storm Kirk's regeneration east of the Caribbean Sea, prompting warnings and watches for the region. The storm strengthened to near 50 mph with higher gusts before expected weakening over the eastern Caribbean Sea.
Super Typhoon Trami has a symmetric eyewall surrounding a 37 nautical-mile round eye, according to NASA's Terra satellite image. The storm is moving toward the wet-northwest with maximum sustained winds near 149.6 mph.
Tropical Storm Kirk formed on Sept. 22 but dissipated by Monday due to lack of closed circulation. The NOAA-20 satellite captured its peak visible image on the same day, revealing winds near 40 mph.
NASA's Aqua satellite captured a visible image of Tropical Depression 01S on September 17, revealing the storm's weakening state. The cyclone had maximum sustained winds of 30 knots and was forecast to dissipate soon, moving west towards Mauritius.
The Woods Hole Center for Oceans and Human Health will continue to advance research on the links between oceanic processes and human health, with a focus on harmful algal blooms. The five-year funding aims to better understand public health risks associated with environmental exposures in marine coastal regions and the Great Lakes Basin.
Wind shear is tearing Tropical Storm Joyce apart, with coldest cloud top temperatures reaching minus 50 degrees Fahrenheit. The storm's rotation is being skewed by winds at different levels of the atmosphere, pushing against its cylindrical circulation center.
NASA's Suomi NPP satellite captures a visible image of Mangkhut, showing a symmetrical storm with a clear eye surrounded by powerful thunderstorms. The Joint Typhoon Warning Center reports maximum sustained winds near 167 mph, forecast to pass over Luzon as a category 5 equivalent typhoon.
NASA-NOAA's Suomi NPP satellite detected tropical depression Olivia being affected by westerly wind shear, which was preventing thunderstorm development and causing weakening. The post-tropical cyclone is expected to dissipate over the weekend of Sept. 15 with maximum sustained winds near 35 mph.
Subtropical Storm Joyce is disorganized and wandering in the north central Atlantic Ocean, according to NASA satellite imagery. The system's patchy development of thunderstorms indicates a lack of organization, which may lead to heavy rain generation.
Super Typhoon Mangkhut strengthened into a Category 4 storm with sustained winds of 155mph. The National Weather Service predicts further intensification to Category 5 by Wednesday and Thursday.
Tropical Storm 27W is forecast to intensify over the next three days before making landfall on Sept. 13 over China's Luichow Peninsula. The storm will then emerge into the Gulf of Tonkin, making a final landfall north of Hanoi, Vietnam.