Articles tagged with Oceans
Tropical Storm Julia is struggling to maintain its strength as it encounters massive Hurricane Igor's westerly wind shear. The National Hurricane Center predicts Julia will fade into a remnant low in a day or two, with some models suggesting it could be absorbed by Hurricane Igor's circulation.
Trius will use its proprietary Focused Antisense Screening Technology (FAST) to identify antibacterial compounds from marine natural product libraries discovered by Scripps researchers. The goal is to develop novel antibiotics directed against microorganisms causing serious infections.
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.
NASA's Aqua satellite captured visible image of Hurricane Julia, weakened by Hurricane Igor's outflow, breaking a record for the most intense hurricane east of the Azores. The storm is expected to move west-northwest then turn northeast, staying at sea.
Scientists have used a new seismic method to investigate the collision process between India and Tibet, revealing a more pronounced boundary between rigid lithosphere and softer asthenosphere. The study provides insights into the processes involved in the collision and aims to reduce earthquake risk in the region.
Leading international scientists propose a new approach to marine tenure to reverse the 'tragedy of the commons' and restore fish stocks. A successful experiment in Chile shows that co-operative models for fishery management can improve sustainability.
NASA's Atmospheric Infrared Sounder (AIRS) instrument captured an infrared image of Tropical Depression 9 showing high thunderstorm cloud tops and strong convection. The depression formed in the Atlantic Ocean with maximum sustained winds near 35 mph, moving west at 15 mph.
Tropical Storm Dianmu made a quick track over South Korea and entered the Sea of Japan, with NASA's Aqua satellite capturing its infrared image. The storm is transitioning into an extra-tropical storm due to increasing vertical wind shear and cooler sea surface temperatures.
Tropical Storm Chanthu is forecasted to make a landfall south of Hong Kong due to dry air and increased wind shear. Infrared imagery shows strong convection from northeast to southwest, but missing on the west side of the storm.
GOES-13 satellite captured images of Hurricane Alex from its formation to landfall in Mexico, providing valuable research data for forecasters. The storm caused severe flooding, mudslides, and record-breaking rainfall.
The NASA GOES Project provides continually updating 'movies' of satellite imagery for Hurricane Alley, allowing on-line viewing on iPhone and iPad. The latest large-scale movie can be accessed at http://goes.gsfc.nasa.gov/goescolor/goeseast/hurricane2/movie/alley_east_conus.mp4.
Tropical Storm Conson has formed in the northwestern Pacific Ocean with maximum sustained winds near 60 knots (69 mph) and is forecast to make landfall on July 13. The storm's track is expected to take it north-northwest over the next couple of days, bringing heavy rainfall and gusty winds to the northern Philippines.
A study found that iron availability plays a crucial role in controlling coccolithophore growth and calcification. Coccolithophores are globally important species of marine algae responsible for massive blooms in oceans worldwide.
The GOES-13 satellite captured images of two major hurricanes, Celia and Darby, with Celia being a Category Five hurricane and Darby a Category Three. The storms appear to be chasing each other, with Hurricane Celia having the larger eye.
Hurricane Celia strengthened to a Category Two hurricane with maximum sustained winds of up to 100 mph, and NASA satellites confirmed the emergence of an eye.
System 94L is a strong tropical wave associated with heavy showers and thunderstorms, moving west-northwestward over the Lesser Antilles. NASA closely monitors its development, forecasting a low chance of 20% that it will become a tropical cyclone within the next 48 hours.
Tropical Depression 2-E had dissipated off the coast of Mexico by June 18, with NASA's TRMM Satellite revealing waning rainfall and moderate ocean precipitation. The depression's maximum sustained winds were near 30 mph, and its minimum central pressure was 1008 millibars.
Tropical Depression 2-E is close to land, bringing heavy rain to western Mexican coast states of Oaxaca and Guerrero. Tropical Storm Blas has strengthened into a tropical storm with maximum sustained winds near 40 mph, expected to strengthen further over the next 48 hours.
NASA/Goddard Space Flight Center reports that System 92L in the Atlantic Ocean has a minimal 10% chance of becoming a tropical cyclone within the next 48 hours. Strong westerly winds are hindering conditions favorable for tropical cyclone formation.
Satellite imagery reveals System 92L's weakening state, with upper-level winds reducing its chances for tropical cyclone formation. Environmental conditions are expected to become less favorable in the next 48 hours, decreasing the potential for development.
The Northern Indian Ocean cyclone season has begun with two tropical storms forming within a day of each other. Tropical Storm 02A had maximum sustained winds of 39 mph and was expected to track west-northwest and bring rains and wind to Yemen.
According to a new paper, large quantities of phosphorus in oceans led to vast algal blooms, pumping oxygen into the environment, allowing larger organisms to thrive. This oxygenation had major consequences for the evolution of complex life and may have played a key role in creating an oxygenated atmosphere.
Researchers discovered water ice and organic molecules on asteroid 24 Themis, suggesting it may have delivered water to Earth 4 billion years ago. The findings support the theory that asteroids could have brought water to our planet after its formation.
Cyclone 24S was renamed Tropical Storm Sean as it matured, going through two numbered nicknames before receiving its human name. It showed strong thunderstorms with cloud tops as cold as -63°F, and forecasters predict further intensification over the next 12-24 hours.
GOES-13 replaces GOES-12, providing coverage for the eastern US, including the Atlantic Ocean and Gulf of Mexico. The satellite helps predict weather and storms, supporting fast and accurate weather forecasts and warnings.
Tropical Storm Robyn formed in the Southern Indian Ocean on April 2, with maximum sustained winds near 60 knots. The storm's strong thunderstorms and heavy rainfall are safely nested over open waters, but it is expected to weaken over the next three days due to higher vertical wind shear.
Researchers have uncovered the reason behind a four-billion-year-old 'missing ice age,' solving one of science's greatest mysteries. The discovery reveals that thin clouds and oceans played a crucial role in keeping the Earth warm, contradicting previous theories about greenhouse gases.
Scientists warn of ocean acidification, a threat to marine ecosystems and biodiversity. The 'evil twin' of global warming is causing the oceans to become increasingly acidic, potentially leading to mass extinctions.
Tropical Storm Imani is expected to become a depression over the weekend, weakening due to increasing vertical wind shear. The storm's low-level circulation center is fully exposed on its north side, making it vulnerable to strong winds.
Tropical Storm Omais is rapidly losing strength in the northwestern Pacific Ocean, with maximum sustained winds near 39 mph. The system is expected to become fully extratropical on Saturday as it moves north-northeastward at 12 mph.
Tropical storm Omais has doubled in size due to wind shear, weakening from 63 mph to 52 mph. The storm is expected to dissipate over the next day and a half as it encounters cooler, drier air associated with a cold front.
Tropical Storm Imani is taking a unique shape in the Southern Indian Ocean, resembling a question mark. The storm has strengthened slightly and is forecast to continue intensifying before moving into an area of increased vertical wind shear.
Tropical Storm Tomas is expected to intensify over the weekend, bringing gusty winds, ocean swells, and heavy rainfall to residents of Nadi, Fiji. The storm has strengthened by 23 mph since March 11, with forecasters predicting it will weaken due to increasing wind shear from Monday or Tuesday.
The seventeenth tropical depression formed in the South Pacific Ocean on February 21 and strengthened into Tropical Storm 17P by February 22. TS 17P has created 15 foot-high waves in open waters and is expected to track through the region, potentially impacting some land areas with gale winds.
Dr. Karen Kohfeld's research focuses on paleo-climate and the dust cycle, highlighting its importance in understanding land-atmosphere-climate connections. The symposium will explore how changes in the dust cycle affect the oceans, carbon cycle, and human health.
NASA's Aqua satellite captured an infrared image of Tropical Depression Fami on Feb. 3, showing the storm elongating and losing its circulation after crossing Madagascar. The system has dissipated significantly due to friction from mountainous terrain, with only a slight chance it could briefly regain life.
NASA's TRMM satellite observed Tropical Storm Nisha strengthening rapidly, with rainfall rates exceeding 2 inches per hour and cloud heights reaching 6 miles.
Tropical Depression 11S forms near La Reunion Island with sustained winds of 39mph, moving southward at 6mph. The storm is expected to strengthen over warm sea surface temperatures before becoming extra-tropical.
Tropical Depression 10P is strengthening quickly due to low wind shear and warm sea surface temperatures. It is forecast to move east-southeast and bring heavy rainfall and strong winds to islands in the South Pacific, including American Samoa and Tahiti.
Tropical Storm Edzani is undergoing significant changes, with its rainfall confined to the southeast and a fully exposed low-level circulation center. The storm is elongating due to strong westerly winds, eventually transitioning into an extra-tropical storm and moving safely away from land areas.
Edzani, once a powerful cyclone, has lost its 'roundness' and become asymmetrical. The storm's convection is decreasing, indicating further weakening.
Two female leatherback turtles, Noelle and Darwinia, have traveled 800 miles between them since December 2009. The researchers aim to use their data to inform management of fisheries and protect key areas from industrial fishing and oil exploitation.
Tropical Cyclone 05B has formed in the Northern Indian Ocean, expected to approach southeastern India and make landfall on Monday, December 14. The storm is forecast to intensify due to low wind shear, but may be impacted by a zonal jet stream.
Marine aquaculture has the potential to meet global food demand as freshwater resources are limited and terrestrial agriculture struggles. Expanding marine aquaculture operations using low-on-the-food-chain organisms like plankton and algae can achieve sustainable growth.
NASA's CloudSat satellite noticed a drop in Typhoon Nida's cloud tops from over 9 miles high to around 8 miles high, indicating less powerful thunderstorms and weakening winds. The storm has zigzagged between 18 and 20 degrees North Latitude, moving west, then east, and now back in a westward direction.
Super Typhoon Nida has intensified to a category 5 storm with maximum sustained winds near 172 mph, causing extremely high waves. The storm is forecast to pass far south of the island of Iwo Two, posing no direct threat to landmasses but still impacting nearby islands.
A Yale geophysicist has found that the world's oceans are absorbing less carbon dioxide over the past 50 years. This reduced absorption rate could lead to faster climate change due to a longer lag time between temperature fluctuations and CO2 level changes.
NASA's Terra satellite captured an image of Tropical Cyclone Anja, strengthening into a Category Three cyclone on November 16. The storm had tropical storm-force winds extending out to 100 miles from its center, and is not threatening any landmasses.
The NASA GOES Project provides real-time satellite animations of the eastern Pacific and Atlantic Oceans, offering a panoramic view of hurricanes in HDTV wide-screen format. The animations display several weather regimes simultaneously, including easterly winds, daily thunderstorms, and prevailing westerly winds.
Tropical Storm Lupit is transitioning to an extra-tropical storm, while Tropical Storm 23W is approaching Saipan with sustained winds near 40 mph. The storms are being tracked by the US Navy's Joint Typhoon Warning Center.
Tropical Storm Nepartak is transitioning into an extra-tropical storm, developing frontal qualities in the northwestern Pacific Ocean. The storm's circulation will soon fade as it continues to speed northeast, with dry air in the mid-levels of the atmosphere contributing to its transformation.
Tropical Storm Henri has weakened to a depression due to battering winds and strong southwesterly shear. The National Hurricane Center confirmed the wind speed using NASA's QuikScat satellite imagery, with minimum central pressure near 1010 millibars.
Scientists at the University of Leeds discovered that acidic clouds can convert large particles of iron from dust into small, soluble nanoparticles that plankton can use. This finding highlights a previously unknown source of bioavailable iron delivered to the Earth's surface in precipitation.
Super Typhoon Melor's massive size was captured by NASA satellites on October 5, showing its strong winds and towering clouds. The storm is forecast to weaken as it interacts with cooler waters and a baroclinic boundary, before potentially affecting Tokyo and the surrounding region.
NASA's AIRS instrument detects towering pyrocumulus clouds formed from smoke and heat of California wildfires, while also capturing powerful Hurricane Jimena with sustained winds near 145mph. Tropical Depression Kevin appears weakened due to stable air entering its circulation.
The remnants of Typhoon Vamco are sweeping over Alaska's Aleutian Island chain, causing high wind warnings. The National Weather Service has posted warnings for gusts of 40-60 mph, with some areas reaching hurricane-strength winds.
NASA's GOES-11 satellite indicates two areas of showers and thunderstorms that may develop in the Eastern Pacific, potentially replacing Tropical Storm Ignacio. The storm is expected to weaken due to adverse conditions, including cooler waters.
Typhoon Vamco boasts an enormous 45-mile-wide eye with cold high thunderstorm cloud temperatures below minus 63 Fahrenheit. The storm is currently in the Northern West Pacific Ocean and will begin changing to an extra-tropical storm, moving into the North Central Pacific Ocean.
Tropical Depression 9E appears to be fizzling in the Eastern Pacific, while Tropical Storm Guillermo forms with sustained winds near 50 mph. The satellite imagery is being closely monitored for updates, with a 30-50% chance of TD9E strengthening back into a tropical depression.
The NOAA Integrated Ocean Observing System awards $973,083 to support ocean observing in the Gulf of Mexico. Three grants will enhance data portals and marine data delivery systems, making data easier to access for planners and policymakers.