TRMM data revealed that Cyclone Ului brought heavy rainfall to western Queensland, with estimates suggesting 5.1-7.0 inches of rain fell in some areas. The satellite's precipitation radar and microwave radiometers provided detailed insights into the cyclone's track and potential flooding.
The latest weather satellite, GOES-15, reached its proper orbit after a flawless launch and will undergo checkout in mid-August 2010. The satellite is expected to capture the first visible image on April 5 and provide weather observations covering over 50% of the Earth's surface.
Tomas, a Category One cyclone, caused widespread destruction in north and east Fiji with winds near 109 mph and storm surges. The storm is now moving southeast, weakening due to cooler waters, and transitioning into an extra-tropical storm.
Tropical Cyclone Ului is a Category Three storm in the South Pacific Ocean, affecting the Solomon Islands and expected to turn west towards Australia. Meanwhile, Tropical Cyclone Tomas is weakening due to cooler sea surface temperatures and vertical wind shear, posing a threat to Fiji.
NASA scientists found a significant increase in UV radiation over the past three decades, particularly in mid-and-high latitudes, attributed to declining ozone levels and increased cloudiness in the southern hemisphere. Despite this, UV levels have stabilized since the mid-1990s, with some areas seeing minimal changes.
The Solomon Islands are under threat from Cyclone Ului, a powerful Category 4 cyclone affecting the islands. The storm is expected to continue tracking westward before turning southward and weakening due to increasing vertical wind shear.
Cyclone Tomas, a Category 4 cyclone, has caused damage to residents in the northern Fiji islands with heavy rainfall and strong winds. The storm's eye is cloud-filled, with very high, cold thunderstorms surrounding it.
NASA's Lunar Reconnaissance Orbiter has released seven instruments' data sets to the Planetary Data System, providing low-level data for research flexibility. The mission will deliver a comprehensive map of the lunar surface and search for resources in its one-year exploration phase.
Tropical Storm 90Q, the second known cyclone in South Atlantic Ocean history, is located over 1,350 miles east of Buenos Aires. The storm is moving quickly south-southeast and expected to be merged with a cold front by weekend.
Tropical cyclone 20P has strengthened into a tropical storm in the South Pacific Ocean, with a large cluster of high, cold thunderstorms around its center. The storm is moving west at 7 mph and has maximum sustained winds near 52 mph.
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.
NASA's Aqua satellite revealed strong thunderstorms in Hubert's remnants, which continue to bring heavy rainfall and gusty winds to southeast and south-central Madagascar. Residents can expect moderate to heavy rainfall over the next couple of days.
The Fiji Meteorological Service has issued a tropical cyclone alert for the South Pacific islands of Wallis and Futuna, citing Tropical Storm Tomas. The storm is expected to strengthen further and become a cyclone in the next day or two.
Three NASA scientific instruments, MINI-ME, PISA, and TTI, have completed environmental testing and passed critical tests, paving the way for their launch on the FASTSAT-HSV01 satellite. The instruments will study Earth's atmosphere and space weather, improving global predictions.
Tropical Storm 90Q forms in the South Atlantic Ocean, with NASA tracking its movement. The storm is moving away from Brazil's coast and is expected to weaken before being absorbed by a mid-latitude cold front.
A new study led by Alexander Kashlinsky at NASA's Goddard Space Flight Center reveals that a collective motion dubbed the 'dark flow' persists to much greater distances -- as far as 2.5 billion light-years away.
Tropical Storm Hubert has strengthened into a low pressure system making landfall in eastern Madagascar with maximum sustained winds near 39 mph. The storm is expected to bring moderate to heavy rainfall and gusty winds to the capital city and surrounding areas.
A rare tropical cyclone system formed off Brazil's coast, exhibiting tropical storm-force winds before weakening and moving away from the area. The Geostationary Operational Environmental Satellite captured images of the system, which is now expected to be absorbed by a mid-latitude cold front in the next couple of days
Forecasters believe a low-pressure area off Madagascar's east coast has conditions ripe for development into a tropical storm. The system is being monitored due to its warm waters and improved banding of thunderstorms.
The James Webb Space Telescope's five-layer sunshield was subjected to a series of tests using a 1/3-scale model to verify its ability to block and redirect solar heat. The experiments aimed to match computer models with test data, ensuring accurate thermal performance predictions for the full-size sunshield.
Researchers find evidence that a Martian channel was formed by lava flows, contradicting previous theories that suggested water carving. The discovery has implications for the geological evolution of Mars and our understanding of its potential for life.
Asteroid impacts over billions of years have left the Moon with a pockmarked surface, but a new crater may expose a portion of the lower crust. The Apollo Basin, formed by a smaller asteroid impact, measures 300 miles across and is believed to reveal the lunar crust's early history.
Astronomers using NASA's Fermi Gamma-ray Space Telescope found that less than a third of gamma-ray emission arises from black-hole-powered jets. The study suggests that alternative explanations, such as particle acceleration in normal star-forming galaxies and dark matter, may be responsible for the extragalactic gamma-ray background.
The James Webb Space Telescope has successfully polished its first primary mirror segment to meet the required prescription at operational cryogenic temperatures. This achievement sets the stage for a successful polishing process for the remaining 18 flight mirror segments.
Tropical cyclone 17P has weakened and is now a fading depression due to moderate to strong westerly vertical wind shear. The storm's organization and ability to produce thunderstorms are limited by the wind shear, leading to its expected dissipation in the next few days.
The Integrated Space Weather Analysis (iSWA) system offers a unique level of customization and flexibility for NASA satellite operators and citizen scientists. It provides real-time data on past, present, and future space weather conditions, enabling personalized 'quick looks' at space-weather information.
GOES-P is the third and final spacecraft in the GOES N Series, continuously providing weather monitoring and forecast operations. The satellite will also help monitor solar conditions with its Solar X-Ray Imager instrument, improving forecasts for solar disturbances and protecting billions of dollars worth of assets.
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.
The TDRS K-L program has successfully completed its Critical Design Review and Production Readiness Review, paving the way for the assembly of the K and L satellites. The new spacecraft will provide critical communication services to NASA missions, including the International Space Station and Hubble Space Telescope.
Cyclone Gelane has reached category 4 strength in the Southern Indian Ocean, with sustained winds near 143 mph and a compact eye. The storm is expected to move into adverse atmospheric conditions this weekend, leading to weakening and potential rough surf along nearby islands.
The TRMM satellite has observed a significant decrease in the diameter of Tropical Cyclone Gelane's eye, now measuring approximately 10 nautical miles. Heaviest rainfall is located in the southwest quadrant of the eye, with rain rates reaching up to 2 inches per hour.
New images from NASA's Fermi Gamma-ray Space Telescope reveal the sources of cosmic rays, which consist mainly of protons moving at nearly the speed of light. The telescope mapped billion-electron-volt gamma-rays from middle-aged and young supernova remnants, providing insights into the origins of these energetic particles.
Tropical Cyclone Rene brought maximum sustained winds near 100mph, causing power outages and heavy rainfall to Nuku'alofa. The storm is now moving over cooler waters, leading to its expected dissipation in the next couple of days.
The 16th South Pacific cyclone has formed and is strengthening, with maximum sustained winds near 52 mph and a projected path towards Port Louis and Reunion Island. Residents are advised to monitor local forecasts and prepare for potential impacts.
The GOES-P spacecraft has been fueled and prepared for its 14-year orbit around the Earth. Engineers conducted propulsion system pressurization and leak checks to prevent fuel leaks. The launch vehicle is currently processing on stand, with a March 1 target date.
The US Green Building Council has awarded NASA's Exploration Sciences Building with the highest LEED Gold certification, recognizing its sustainable design and construction. The 200,000 sq ft building features nearly 60 laboratories and is the largest green building on Goddard's campus.
Cyclone Oli has strengthened to Category 4 strength, bringing heavy rainfall and gusty winds to the region. The Tropical Rainfall Measuring Mission satellite observed large circulation patterns and intense rainfall in distant islands like Bora Bora and Tahiti.
NASA's Aqua satellite captured infrared images of Oli as it passed by, revealing better organization and a well-defined eye. Infrared imagery showed deep convection over the storm's center, with waves 20 feet high in the open ocean.
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.
The James Webb Space Telescope's five-layer sunshield has passed its critical design review, certifying its design meets mission requirements. The sunshield will absorb and deflect solar light to keep the telescope operating at cryogenic temperatures.
Tropical Storm Oli is a large storm with high thunderstorm cloud tops and strong winds near 52 mph, affecting the islands of Bora Bora and Raratonga. The storm is expected to move southeast and pass between the islands in the next couple of days.
Tropical Storm Fami formed rapidly over the southern Indian Ocean, making landfall in Madagascar with sustained winds near 46 mph. The storm's eye feature suggests it is maintaining strength, fueled by tropical moisture from surrounding warm waters.
Australians in New South Wales Territory face heavy rainfall and potential flooding due to Tropical Cyclone Olga's remnants. The region is expected to experience widespread moderate to heavy rainfall over the next couple of days.
Tropical Storm Oli formed on February 1, 2010, near Fiji, with maximum sustained winds of 57 mph. The storm is expected to strengthen temporarily due to low wind shear, but will face increased wind shear in cooler waters after day four.
NASA's TRMM and Aqua satellites observe TD11S's rainfall patterns and temperatures, indicating it is becoming extra-tropical. The storm's center is fully exposed from the west, making it susceptible to drier air or wind shear that can weaken it.
Tropical Storm Nisha is experiencing light-moderate rainfall and moderate vertical wind shear, weakening the storm. It is forecast to move slowly eastward and dissipate over the latter half of the weekend.
NASA satellite imagery shows Tropical Storm Olga regaining strength in the Gulf of Carpentaria, with estimated sea level pressure near 989 millibars. Residents in Northern Territory and Queensland are under tropical cyclone warnings and watches due to expected landfall on January 30.
The Visible Infrared Imaging Radiometer Suite (VIIRS) has been delivered and will be integrated onto the NPP spacecraft, providing highly detailed imagery of clouds, vegetation, and environmental phenomena. The NPOESS Preparatory Project aims to extend the time series environmental data records initiated with NASA's Earth Observing Sys...
NASA and JAXA satellite data combined with ground weather station information aid in forecasting tropical cyclone tracks. Olga's center is expected to remain over land, but Australian Bureau of Meteorology forecasts its reemergence into the Gulf of Carpentaria.
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.