Infrared NASA satellite data indicates a large upper-level storm system approaching the south central US, bringing a threat of heavy rain, gusty winds, and tornadoes to Oklahoma, Kansas, and Texas. Forecasters expect 4-8 inch rainfall totals through Wednesday, with possible moderate and major river flooding.
Cyclone Lua brought intense winds and heavy rainfall to northern Australia, with NASA satellites tracking rainfall totals. The storm generated up to 20 inches of rain just off the coast before making landfall, with amounts dropping drastically after the cyclone hit.
Cyclone Lua is strengthening as it approaches the Pilbara coast in Northern Australia, with forecasters predicting a landfall on March 17. The storm's cloud top temperatures indicate signs of strengthening, including compact clouds and tropical storm-force winds extending out to 160 nautical miles.
Astronomers using NASA's Hubble Space Telescope have found galaxies containing quasars that act as gravitational lenses, distorting images of aligned galaxies. Quasars are powered by supermassive black holes and help estimate the mass of host galaxies.
The 2012 Arctic campaign measures changes in polar ice using a modified P-3 aircraft equipped with various instruments, including lasers and radar. The campaign also features international collaboration and educational activities.
Cyclone Lua is consolidating and has tightly-curved bands of thunderstorms wrapping into its center. The storm is expected to continue strengthening to as much as 95 knots (109 mph/ 176 kph) before making landfall in the vicinity of Port Hedland on March 17 around mid-day local time.
Tropical Storm Lua formed in the Indian Ocean off Australia's northwestern coast, causing moderate rainfall and strong thunderstorms. The storm prompted a Cyclone Watch from Cape Leveque to Mardie, Western Australia, and is expected to strengthen into a cyclone before landfall.
In 2012, areas usually covered in snow are bare due to La Niña conditions and a strong Arctic Oscillation. The resulting snow cover is significantly lower than in 2011, with the Great Lakes, Rocky Mountains, and East Coast experiencing less snow.
Two new NASA LRO videos reveal the moon's evolutionary history, exploring how it came to appear today. The 'Evolution of the Moon' video explains the moon's formation from a giant ball of magma and its subsequent impact that formed the South Pole-Aitken Basin.
Tropical Cyclone Lua has strengthened to a minimum tropical storm with maximum sustained winds near 35 knots, while System 96P is getting organized in the Southern Pacific Ocean. Both systems are affecting coastal areas in northern Australia and are expected to bring heavy rainfall, gusty winds, and rough surf.
A NASA experiment aboard the International Space Station has demonstrated remotely controlled robots can perform precise satellite-servicing tasks in space, marking a milestone in technology test bed use. The project is expected to reduce risks and encourage future robotic servicing missions, paving the way for satellite repair, refuel...
Scientists have discovered an invisible wave interacting with Jupiter's jet streams, revealing a connection to Earth's atmosphere and influencing the planet's weather. The Cassini spacecraft's high-resolution images showed the wave's oscillation, tied to Rossby waves and gravity inertia waves.
The TRMM satellite's Precipitation Radar instrument provided a three-dimensional profile of precipitation up to 20km height, revealing powerful storm towers around the storm's center reaching 15km. Tropical Storm Koji was predicted to strengthen into a hurricane with peak winds of 70kts, but will weaken soon after.
Astronomers have observed a unique neutron star system, T5X2, exhibiting marginally stable nuclear fusion at high accretion rates. The RXTE data resolves a long-standing gap between theoretical predictions and observational evidence, shedding light on the complex processes governing thermonuclear explosions.
Cyclone Irina has weakened to a minimal tropical storm due to increased wind shear and cooler sea surface temperatures. NASA's satellite imagery confirms the decline, with the strongest thunderstorms being pushed away from the center of circulation.
Researchers found amino acids in 14 carbon-rich meteorites with high temperatures, suggesting high-temperature Fischer-Tropsch reactions created them. These reactions produce prebiotic components of life using hydrogen, carbon monoxide, and nitrogen.
NASA's models predict two CMEs will impact Earth and Mars, causing severe geomagnetic storms and aurora at low latitudes. The flares, part of the sun's normal 11-year solar cycle, were triggered by an active region named AR 1429.
Scientists will launch five sounding rockets to study the high-altitude jet stream winds and their connection to electrical current patterns. The experiment aims to gain a better understanding of these fast winds and help model electromagnetic regions of space that can damage satellites and disrupt communications systems.
A study found that white rooftops, like those being installed in New York City, can reduce peak temperatures by 43 degrees Fahrenheit compared to traditional black roofs. The low-cost, DIY-friendly option also improves urban albedo and reduces greenhouse gas emissions.
Tropical Storm Irina is showing signs of weakening due to the presence of dry air and cool sea surface temperatures. The storm's cloud top temperatures indicate a significant reduction in strength compared to its previous state, with the southern quadrant experiencing colder temperatures.
The NASA Robotic Refueling Mission (RRM) successfully demonstrated robotic satellite-servicing technology on the International Space Station, marking a significant milestone in space technology advancement. The mission used the Canadian Dextre robot and RRM tools to perform tasks such as gas fittings removal and satellite refueling.
Tropical Cyclone Irina is making a slow loop in the southern Mozambique Channel, with maximum sustained winds near 45 knots. The storm is weakening due to cool sea surface temperatures and moderate wind shear, with forecasters predicting potential dissipation in the next day or two.
Scientists will gather data on the high-altitude jet stream, which affects satellite and radio communications, using chemical tracers and instrumented payloads. The mission will help better understand the process responsible for this phenomenon, located 60-65 miles above the Earth's surface.
Tropical Storm Irina is making a unique cyclonic loop in the Mozambique Channel, driven by weather systems pushing it in different directions. NASA satellites have been tracking rainfall and cloud top temperatures, showing heavy rainfall and strong thunderstorms in the southern half of the storm.
Scientists have found evidence of 'hot flow anomalies' on Venus, which are similar to those observed on Earth. These events release massive energy and can even deflect the solar wind back towards the sun.
Astronomers have observed a clump of dark matter in the Abell 520 galaxy cluster, which contradicts current theories about its behavior. The team used the Hubble Space Telescope to map dark matter, revealing a core rich in dark matter but containing no luminous galaxies.
TRMM satellite reveals heavy rainfall and powerful thunderstorms near the storm's circulation. The storm's structure was analyzed using 3D images, showing towering thunderstorm towers and high radar reflectivity values.
A powerful weather system is moving through the central and eastern U.S., generating more severe weather and at least 12 tornadoes reported in three states. NASA's GOES-13 satellite captured the movement of the weather system, which pushed east as it generated severe weather in Ohio, Kentucky, Tennessee, Alabama, and Georgia.
Tropical Storm Irina weakened due to interaction with southwestern Madagascar and wind shear. The storm is expected to intensify over the warm waters of the Mozambique Channel before making landfall.
The GPM mission, a joint effort between NASA and JAXA, aims to improve climate, weather, and hydrological predictions by providing accurate precipitation measurements from space. The GMI instrument will play a crucial role in measuring precipitation and environmental forecasting, particularly during extreme weather events.
Tropical Storm Irina remains stationary off Madagascar's central west coast, with maximum sustained winds of 55 knots and clouds extending over the capital city. The storm is expected to move away from Madagascar on March 2 and make landfall north of Maputo, Mozambique on March 3.
A NASA satellite animation has revealed the movement of a tornadic weather system that triggered at least 20 tornadoes on February 29, 2012. The animation, created using GOES-13 visible and infrared satellite imagery, shows the progression of the cold front and associated low pressure area as it moved over the central US.
The oldest and thickest Arctic sea ice is disappearing at a faster rate than younger ice, making it more vulnerable to decline. The multi-year ice cover is shrinking at a rate of -15.1% per decade, while perennial ice extent declines by -12.2%.
Cyclone Irina is strengthening in the Mozambique Channel, with cloud top temperatures growing colder and indicating more strength. The storm is expected to make landfall north of Maputo, Mozambique on March 3, 2012.
Heavy rainfall from Tropical Cyclone System 92S caused flooding in northern Madagascar, with intense storms dropping rainfall at rates of over 50mm/hr. The TRMM satellite measured high rain totals, including gusty winds and moderate to heavy rainfall along the Mozambique Channel.
The NASA Space Weather App allows users to view Solar Coronal Mass Ejections (CMEs) minutes after an event occurs. The app provides real-time access to solar-event images, model simulations, data, and forecasts for Android smartphone and tablet users.
Astronomers have identified a new type of black-hole-driven outflow that explains the link between galaxy mass and star velocity. Ultra-fast outflows are common features of black-hole-powered galaxies, influencing galactic shape and star formation.
System 92S is a low-pressure area that has been watching by NASA satellites for days, with cloud temperatures cooling and storms intensifying as it moves over northern Madagascar. The Joint Typhoon Warning Center predicts a high chance of development into a tropical cyclone in the next 24 hours.
NASA is upgrading its Global Positioning System (GPS) and International Terrestrial Reference Frame to improve location accuracy. The new systems will benefit not only GPS but also observations of Earth from space, enabling more precise measurements of the planet's shape, orientation, and gravity field.
Scientists propose that the geologic activity occurred less than 50 million years ago, indicating a general state of global contraction. The graben systems found across the lunar surface suggest forces acting to pull it apart overrode contractional forces.
The THEMIS mission has significantly advanced our understanding of the magnetosphere, mapping the topology and structure of the Earth's magnetic field. The satellites have also detected critical mechanisms driving substorms, including dipolarization fronts and chorus waves, which influence aurora formation.
Astronomers have discovered a young cluster of blue stars surrounding an intermediate-mass black hole in a cannibal galaxy. The star cluster is thought to be less than 200 million years old and may be the remnant of a dwarf galaxy that was swallowed by the larger galaxy.
Cyclone Giovanna re-strengthening and turning back toward southeastern Madagascar, bringing heavy rainfall and strong winds. The storm's passage in February 2012 caused significant flooding and reported deaths, with the eastern coast receiving over a foot of rainfall.
Cyclone Giovanna was regaining strength in the warm waters of the Mozambique Channel, with strongest thunderstorms west of its center. The storm's maximum sustained winds reached 50 knots and is expected to move slowly westward across the channel.
Researchers use aerial measurements from Washington State's Channeled Scablands to analyze Mars' jointed basalt columns, offering insights into the Red Planet's volcanic history. By studying the cracks and widths of these columns, scientists can infer the cooling rate of basalt on Mars.
The Goddard Institute for Space Studies will receive specialized scientific support services from Trinnovim, LLC, under a $2.86 million contract. The services include scientific programming, analysis, and logistical support for GISS research programs.
Cyclone Giovanna has caused flooding and damage in Madagascar before entering the Mozambique Channel. The storm is expected to move westward towards Mozambique's southeastern coast, with wind shear preventing further strengthening.
Tropical Cyclone Jasmine is lingering near Tonga, causing gusty winds and heavy rainfall on the islands. The cyclone's strongest thunderstorms and heaviest rainfall are concentrated in its northeastern quadrant.
The Thermal Infrared Sensor (TIRS) on the next Landsat satellite will detect Earth's temperature using quantum physics-based detector arrays. This technology enables accurate measurements of land and water usage, vital for managing Western US water consumption.
Cyclone Giovanna made landfall in eastern Madagascar with winds gusting to 120 mph, bringing heavy rain and strong winds. The storm is expected to move into the Mozambique Channel, where it will quickly reorganize due to warm waters.