Tropical Storm Koppu is expected to make landfall in mainland China on September 15, bringing heavy rainfall, heavy surf conditions, and gusty winds. The storm has sustained winds near 69 mph and is forecast to strengthen slightly before landfall.
NASA's Aqua satellite captured infrared and visible images of Fred's clouds stretching from northeast to southwest after declaring the storm 'dead' on September 12. The remnants of Fred are expected to produce intermittent shower and thunderstorm activity as it moves west-northwestward over the next couple of days.
Hurricane Linda is expected to weaken due to cooler waters and wind shear, with a 10% opening in her eyewall revealed by NASA's Aqua satellite. The storm's maximum sustained winds near 85 mph are weakening, and tropical storm force winds extend out 140 miles from the center.
Scientists Ron Kwok and Drew Rothrock extend Arctic sea ice record by combining ICESat satellite data with U.S. Navy submarine records, revealing a 53% decline in sea ice thickness since 1980. The study provides insights into the impact of climate change on Arctic ecosystems and global climate.
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.
Researchers used NASA's ICESat satellite data to create the most comprehensive inventory of Antarctic lakes that actively drain or fill under ice. The study revealed a continental plumbing system more dynamic than previously thought, with 124 active lakes identified and linked to nearby and distant locations.
Hurricane Jimena's cloud top temperatures reached as low as minus 63 degrees Fahrenheit, indicating powerful thunderstorms. The storm strengthened to a Category Four Hurricane on the Saffir-Simpson Scale within two days of development.
A team led by John Debes at NASA's Goddard Space Flight Center finds that a star's motion through interstellar gas can account for warped debris disks around stars. The fine dust particles are affected by the drag force from the gas, causing them to change their trajectory and creating unusual shapes.
NASA's GOES Project created a movie of Tropical Storm Danny from August 25-27, showcasing his formation and journey up the US East Coast. The storm made landfall with maximum sustained winds near 60 mph, and is expected to turn north.
Tropical Storm Danny's center has reformed a little farther north than initially thought, according to NASA satellite imagery and aircraft data. The storm's circulation is broad and elongated, making it challenging to pinpoint its center.
Hilda's winds have slowed from tropical storm to tropical depression-force, with sustained winds near 34 mph, according to NASA satellite data. The storm is expected to continue tracking south of the Hawaiian Islands before dissipating on August 31.
Tropical Storm Danny has formed east of the Bahamas, with NASA's Aqua satellite capturing strengthening thunderstorms in infrared imagery. The storm is expected to bring 2-3 inches of rainfall to the central and northwestern Bahamas, with maximum amounts of 4 inches.
Tropical Storm Hilda is expected to pass south of the Hawaiian Islands, with forecasters noting minimal impacts due to her small size. The storm's maximum sustained winds are near 45 mph, and slow strengthening is possible as it continues west-southwest.
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.
NASA's Goddard Space Flight Center has expanded its high-end computing system to support climate simulations, including the Intergovernmental Panel on Climate Change (IPCC). The new system, powered by Intel's Nehalem architecture, will enable faster and more accurate climate modeling.
Hurricane Bill is bringing heavy rain and strong surf to Nova Scotia, Prince Edward Island, and Newfoundland, with total rainfall expected at 3-5 inches. The storm's powerful thunderstorms are accompanied by a small eye in the midst of cloud-filled imagery.
Hurricane Bill brings heavy rainfall to Bermuda, with NASA satellites capturing detailed data on rainfall, clouds, and winds. The storm is expected to produce total rain accumulations of 1-3 inches over Bermuda and affect the eastern US coast.
Hurricane Bill's category 3 hurricane force winds extend up to 85 miles from the storm center, with tropical storm-force winds reaching as far as 230 miles.
For the first time, a NASA study has mapped Africa's coastal mangrove forests, showing widespread destruction due to pollution, deforestation, and real estate development. The maps provide detailed information on forest area, height, biomass, and structure, enabling scientists and officials to monitor and conserve these vital ecosystems.
NASA's Aqua satellite captured two views of Hurricane Bill's cloud cover, revealing strong thunderstorms and a powerful hurricane. The storm is expected to strengthen as it nears Bermuda, posing a threat to the East Coast.
The A-Train satellite formation combines five satellites to study tropical cyclones, including Aqua and CloudSat. The data collected provide valuable insights into hurricane behavior, atmospheric composition, and climate change.
Hurricane Bill is intensifying due to increased rainfall, with its eye widening and wind speeds reaching 105 mph. The storm is expected to strengthen into a Category Three hurricane, making it a major threat to the Leeward Islands.
NASA researchers have discovered glycine, an amino acid used by living organisms to make proteins, in samples of comet Wild 2. The discovery supports the theory that some of life's ingredients formed in space and were delivered to Earth long ago.
Two NASA satellites captured Hurricane Bill's 'baby pictures' shortly after he became a hurricane, revealing its large size and organized structure. The data showed heavy rainfall bands and high thunderstorms, indicating the storm's increasing power.
NASA satellites are tracking Tropical Depression Ana as it drenches Puerto Rico and poses a threat to the US and British Virgin Islands. Ana is expected to produce heavy rainfall amounts of 2-4 inches over these regions, with isolated maximums of 6 inches in mountainous terrain.
Tropical Storm Claudette made landfall near Fort Walton Beach, Florida with maximum sustained winds near 50 mph. Heavy downpours and localized flooding are expected for Alabama and Mississippi as the storm moves north-northwest through the region.
Tiny flares called nanoflares cause temperatures in the sun's corona to reach millions of degrees. The tiny bursts occur within thin magnetic tubes and release stresses in the field, producing impulsive energy bursts.
The second Tropical Depression has the potential to come back after weakening, while three other areas are being monitored for development. Residents of Florida should be aware of a potential for tropical development on both coasts this weekend.
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.
Using NASA satellite data, scientists found that groundwater levels in northern India have been declining by as much as one foot per year over the past decade. Human activities such as irrigation are being blamed for this loss, which is equivalent to filling Lake Mead three times.
Typhoon Morakot brought catastrophic rainfall to Taiwan and China, with over 40 inches of rain recorded in central and northern Taiwan. The NASA TRMM satellite provided critical data on the storm's impact, allowing researchers to map areas of potential flooding and track its movement around the globe.
A NASA/Goddard Space Flight Center simulation found that the universe's first black holes grew slowly due to a lack of gas, contrary to expectations. The findings have significant implications for understanding galaxy formation and the role of black holes in shaping the universe.
Tropical Storm Felicia is expected to weaken as it affects Hawaii, with residents anticipating large ocean swells, gusty winds, and heavy downpours. CloudSat and Aqua satellites captured images of the storm's clouds, revealing temperatures and height, aiding meteorologists in their forecasts.
Hurricane Felicia is weakening as it approaches Hawaii, with forecasters predicting landfall on Monday. The storm's minimum central pressure is rising, indicating a weakening storm, and cooler waters will continue to sap its strength.
Typhoon Morakot's massive size and powerful winds have brought catastrophic effects to Taiwan, with reports of up to 20 inches of rain in mountainous areas. The storm's landfall is expected to occur on Saturday in mainland China, where it will then move north towards Shanghai.
Category 4 hurricane Felicia is currently near 140 mph sustained winds, while Tropical Storm Enrique maintains 50 mph sustained winds despite being close to Felicia.
NASA satellites observed Typhoon Morakot's rapid expansion from a 528-mile-wide storm to a massive 1,056-mile-diameter system. The typhoon's cold cloud tops indicate powerful thunderstorms and a significant threat to Taiwan and China.
The Gravity and Extreme Magnetism Small Explorer (GEMS) mission, led by NASA's Goddard Space Flight Center, will measure cosmic X-ray polarization. It aims to detect dozens of sources and provide insights into extreme environments, such as black holes and supernova remnants.
CloudSat captured a sideways view of Lana, a Category One hurricane with high clouds and cold temperatures. The satellite measured rapid wind speed and atmospheric conditions indicating a weakening storm.
The GOES-14 satellite has provided its first visible full disk image of Earth, showcasing little activity in the Atlantic Ocean and two tropical waves in the East Pacific. The satellite's Imager instrument is taking high-resolution images at a 1 km resolution from an altitude of 36,000 km above Earth's surface.
The TDRS project has received approval to proceed with the implementation phase of its mission, enabling NASA to build more spacecraft needed to support missions. The next milestone is a critical design review scheduled for January 2010, which will examine detailed aspects of the TDRS spacecraft and system.
Two areas of thunderstorms in the Caribbean are moving into the eastern Atlantic and southeastern Bahamas, but a low chance of development exists. The National Hurricane Center reports less than 30 percent chance of tropical formation within the next 48 hours.
Two NASA satellites captured images of the weakening tropical storm Dolores, which has faded into a remnant low pressure area. The storms' winds and clouds were tracked using QuikScat and CloudSat, revealing intense rainfall and towering cloud formations.
The Tropical Rainfall Measuring Mission (TRMM) satellite captured a unique image of both tropical storm Carlos and Dolores on July 15, 2009. The image shows the horizontal pattern of rain intensity within storms, with false-colored areas indicating rainfall between 20-40 millimeters per hour.
Engineers at NASA Goddard and Northrop Grumman are simulating the handling of the telescope's mirror segments, which will be assembled into the Primary Mirror Assembly. The mock-up has already been beneficial in preparing for integration and test operations.
NASA's TRMM satellite provides forecasters with a 3-D look at Hurricane Carlos's cloud heights and rainfall, aiding forecasting. Carlos regained hurricane status as a Category One storm on July 14, 2009, with maximum sustained winds near 75 mph.
The NASA Fermi Gamma-ray Space Telescope has discovered a third class of active galaxies that emit gamma rays, opening a new window in the field. The telescope has detected gamma rays from dozens of galaxies beyond our own, including Seyfert galaxies and blazars.
The NASA-operated GOES-O satellite reached its geosynchronous orbit at 89.5 degrees west longitude on July 8, 2009, after a series of maneuvers to raise its perigee to approximately 22,300 miles above the Earth. The solar array was successfully deployed on July 9, and all spacecraft subsystems reported nominal performance.