Tropical Storm Gabrielle regained strength after being weakened by southwesterly wind shear. Another low-pressure system, System 93L, is expected to develop in the Gulf of Mexico, with favorable environmental conditions for its formation.
The CU-Boulder student-built DANDE satellite will investigate atmospheric density variations in the thermosphere, affecting satellite orbits and drag forces. Launched on Sept. 15, it will gather data for about one and a half years to improve models of the atmosphere.
NASA's Aqua satellite detected powerful thunderstorms with cloud-top temperatures of -63F/-52C, indicating strong uplift and potential for heavy rainfall. The Global Hawk unmanned aircraft is gathering data on the storm, which is expected to pass over or near Bermuda, producing rainfall amounts of 3-5 inches and a storm surge of 2-3 feet.
Tropical Storm Gabrielle has weakened to a depression by Sept. 5, while three other low pressure areas struggle to develop in the Northern Atlantic Ocean. Heavy rainfall is expected in Puerto Rico and the US Virgin Islands, with isolated maximum amounts of up to 8 inches possible.
The Rim Fire has spread deeper into Yosemite National Park, destroying 111 buildings and threatening thousands of homes. The fire has a relatively flat path, making it difficult for firefighters to control, with almost all containment coming from the southwest edge.
A Pacific-wide satellite view caught Tropical Storm Pewa moving westward, with a rounded circulation, near 23.6 north latitude and 169.3 west longitude. Another developing low-pressure area, System 94E, is also visible, with high chances of becoming a tropical depression.
Tropical Storm Pewa has passed over Wake Island, located just north of the Marshall Islands. The storm was captured on NASA satellite imagery and is expected to intensify again while moving northwest, potentially becoming a typhoon over the next five days.
Typhoon Pewa strengthened into a powerful storm after passing over NASA's Aqua satellite, revealing a small eye surrounded by strong thunderstorms. The Joint Typhoon Warning Center predicts Pewa will continue to intensify as it moves northwest, passing far to the northeast of Wake Island on Aug. 21 and 22.
Tropical Storm Trami appears very large in infrared data from NASA's Aqua satellite, spanning over two-thirds the size of the Philippines. The massive storm is now making a U-turn in the Northwestern Pacific Ocean.
Researchers have established a new technique to predict seasonal cholera epidemics months in advance with greater accuracy, utilizing remote satellite imaging and measuring organic matter. The 'satellite water marker' index was found to be more accurate than previous methods, reducing error rates by up to 30%.
Researchers are tracking the movements of 10 Great Shearwater seabirds in the Gulf of Maine using satellite tags, providing insights into ecosystem health and food supply changes. The birds' feeding habits and reactions to changes in their primary food source, sand lance, will inform conservation efforts.
Four NASA satellites provided crucial data on Super-Typhoon Utor's rainfall rates, wind speeds, and storm strength. The data helped forecasters predict the typhoon's landfall and track its movement through the South China Sea.
NASA's Aqua satellite captured infrared data showing very cold cloud top temperatures of strong thunderstorms around Tropical Storm Mangkhut's center before landfall in northern Vietnam. The storm is expected to dissipate within 24 hours after making landfall about 65 miles south of Hanoi.
NASA's TRMM satellite detected powerful thunderstorms reaching 10 miles high in Hurricane Henriette, which dropped heavy rainfall. The storm's towering clouds, known as 'hot towers,' played a role in its formation and intensification.
The Japanese vehicle delivers new hardware to NASA's Robotic Refueling Mission (RRM), enabling the demonstration of satellite-servicing activities and cryogen replenishment. The RRM team will work with the Dextre robot to test intermediate steps leading up to cryogen transfer.
NASA's TRMM and Aqua satellites observed Tropical Storm Gil intensifying into a hurricane, with the storm being pursued by another developing system. The satellite imagery revealed that the cloud pattern of Gil was not as organized as initially thought, with some areas showing less intense storms.
NASA's GOES Project captured images of Dorian's remnants using GOES-13 satellite data, showing an elongated shape stretching a few hundred miles east and northeast of the Turks and Caicos Islands. The National Hurricane Center notes that re-development is unlikely over the next couple of days as the remnant low moves west to northwest.
Scientists studied Tropical Storm Dorian's infrared image, revealing thunderstorms as cold as 195 Kelvin, indicating very high clouds. The storm maintained strong thunderstorms around its center before moving into warmer sea surface temperatures.
A study published in PLOS ONE found that more than 80% of tropical forests in Malaysian Borneo have been heavily impacted by logging. Satellite imaging revealed approximately 226,000 miles of roads constructed throughout the forests of this region.
Typhoon Soulik's eyewall appears to have rebuilt as evidenced in NASA satellite imagery. The storm is expected to make landfall in southeastern China over the weekend of July 13 and 14.
Typhoon Soulik's eye is filling with clouds, indicating a weakening storm, but satellite data shows the eyewall is reforming. The Joint Typhoon Warning Center reports that the storm is forecast to move near Japan and Taiwan before making landfall in China.
Tropical Storm Soulik has become more organized and is expected to intensify rapidly, potentially reaching typhoon strength by July 9. The storm's eastern quadrant covered the Marianas Islands in NASA's Aqua satellite images, showing a brilliant visible image of the storm's center near the northern islands.
Tropical Storm Dalila has weakened near the southwestern Mexico coast, while a new tropical low pressure area called System 97E has formed in the Eastern Pacific Ocean. The storm's maximum sustained winds dropped to 65 mph on July 2, and it is now moving away from the coast into open waters.
The GPM Core satellite completed two pre-vibration solar array deployment tests, simulating the satellite's deployment in space. The successful tests showcased the satellite's support system and air cushion design, which reduce friction and mimic how the solar array would float in space.
The Landsat satellite has been collecting millions of images for over 40 years, providing a wealth of data on Earth's surface. With the launch of Landsat 8, scientists can now access images that are accurate and consistent with previous missions, allowing for more detailed analysis and research.
Tropical Storm Yagi was located just south of Japan's Big Island when captured by NASA satellite imagery. The storm is expected to weaken and dissipate over the next couple of days as it moves southeast.
Tropical Storm Andrea featured towering thunderstorms with cloud top temperatures above -63F (-52C) and heaviest precipitation over the eastern Gulf of Mexico and southeastern Florida. TRMM satellite data revealed a large area of moderate to heavy rainfall in the storm's northeast quadrant, spreading over Florida.
Heavy rainfall rates were detected in Tropical Storm Andrea by NASA's TRMM satellite, with rates reaching up to 5 inches per hour in the southern part of the storm. The storm intensified into a tropical storm on June 5, with maximum sustained winds near 40 mph.
A NASA satellite captured infrared imagery revealing a large area of disorganized thunderstorms and strong gusty winds over the southeastern Gulf. The system has a high chance (60%) of becoming a subtropical or tropical cyclone within 2 days, posing a threat to southern Florida.
Hurricane Barbara made landfall along Mexico's southern Pacific coast, with NASA-NOAA satellites capturing its movement and rainfall rates. The storm weakened into a tropical depression after making landfall, with remnants dissipating over the western Gulf of Mexico.
The USGS has taken operational control of Landsat 8, the latest in a series of remote-sensing satellites that have been monitoring Earth's landscape since 1972. With this shift, at least 400 scenes will be collected daily to be processed and archived, supporting scientific research and decision-making on environmental issues.
Hurricane Barbara strengthened into a hurricane before making landfall, but quickly weakened into a tropical depression after interacting with the Mexican coast. Satellite imagery showed cloud tops warming and thunderstorms fragmenting around the storm's center.
The NASA-NOAA Suomi National Polar-orbiting Partnership satellite captured lightning observations after the tornado dissipated, revealing that the thunderstorm complex was still active at night. The storm system continued through the region, with another satellite capturing an image of the powerful storm at night.
A new study using NASA satellite data found that glaciers outside of Greenland and Antarctica lost an average of 571 trillion pounds of mass every year, contributing to a 0.03-inch-per-year rise in sea levels. This is equal to about 30% of the total observed global sea level rise during the same period.
Tropical Storm Alvin was the first to be named in the Eastern Pacific Ocean, as observed by NASA's Aqua satellite. The storm showed bands of thunderstorms wrapping into its low-level center, strengthening further over May 16.
A new study reveals that glacier melting is responsible for about one-third of the observed sea-level rise, with other factors like ice sheets and thermal expansion contributing equally. The research used satellite data from NASA's ICESat and GRACE missions to calculate glacier mass changes globally.
Cyclone Mahasen brought heavy rainfall to southern Bangladesh, with the TRMM satellite capturing areas of intense thunderstorms north of the storm's center. The cyclone is expected to weaken and move across northeastern India due to rugged terrain and strong wind shear.
NASA's Aqua satellite provided satellite images of Siberian wildfires, indicating a high likelihood due to dry conditions. The MODIS instrument detected hotspots in the region, which were then mapped over satellite images for clickable analysis.
A NASA satellite captured a clear image of the growing Springs Fire in California using its highly sensitive instrument. The fire consumed over 28,000 acres of brush before being brought under control by firefighting efforts.
The CU-Boulder instrument package, known as the Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS), is designed to measure energy output from the sun that can affect satellite operations. The EXIS will provide rapid alerts for solar flares and monitor extreme ultraviolet wavelengths to track space weather effects.
Fermi's spacecraft dodged a catastrophic 1.5-ton bullet from the defunct spy satellite Cosmos 1805, avoiding an extremely close encounter. The successful maneuver was executed after NASA's CARA team predicted the potential collision just one week in advance.
A NASA-University of Iowa collaboration uses ground instruments and satellite observations to improve flood forecasting. The study evaluates the accuracy of NASA's Global Precipitation Measurement mission satellite rainfall data.
The University of California, Berkeley will design, build, and operate the Ionospheric Connection Explorer (ICON) satellite to study the impact of Earth's weather on space weather. The satellite aims to improve forecasts of extreme space weather events that can disrupt GPS signals and radio communications.
Cyclone Imelda's eye appeared clearly on visible imagery from NASA's Aqua satellite on April 14, but closed by April 15 due to cloud coverage. The storm was also elongated from west to east, with weakening convection around its low-level center.
New NASA satellite imagery shows Cyclone Imelda's strongest thunderstorms and precipitation located east of the storm's center. An upper-level trough is causing subsidence, preventing clouds from forming as air sinks to the surface.
NASA's Aqua satellite captured images of Cyclone Imelda on April 11, revealing a well-developed storm with tightly-curved bands of thunderstorms. The storm turned to the south due to wind shear, with powerful thunderstorms dropping heavy rainfall and having cloud top temperatures colder than -63 Fahrenheit.
University of Cincinnati student researcher Bo Yang develops method to combine thermal data from separate satellite systems, creating detailed maps of regional temperature fluctuations. This technique simplifies the process of analyzing parallel data, allowing geographers to derive daily surface temperature and emissivity information.
A solar storm was triggered by a fast coronal mass ejection (CME) approaching Earth, causing a mild geomagnetic storm with weak power grid fluctuations and minor impact on satellite operations. Aurora may be visible at high latitudes in northern US states such as Michigan and Maine.
Cyclone Sandra is intensifying in the Southern Pacific Ocean, with NASA's Aqua satellite capturing infrared data showing cloud top temperatures growing colder and thunderstorms strengthening around its center.
A powerful Nor'easter merged two low-pressure areas on March 6, bringing winter weather advisories to the Mid-Atlantic. NASA provided satellite views of the storm's power and movement, showing the heaviest precipitation over New Jersey and Maryland.
The GOES-R satellite will detect lightning inside storm clouds, enabling more accurate tornado detection and severe weather warnings. The new technology aboard GOES-R is expected to improve lead time for warnings by providing earlier detection for storms, regardless of the season or time of day.
Cyclone Haruna is being blown apart several hundred miles away from La Reunion Island due to increasing wind shear. The storm's eye has elongated as a result of wind shear, causing the main precipitation to be pushed south of the center.
Cyclone Haruna strengthened into a cyclone with a wide-eyed eye visible on NASA's Aqua satellite. Heavy rainfall was detected by TRMM satellite, with cloud top temperatures colder than -63F (-52C). The storm is expected to make a brief landfall near Androka in Madagascar as it moves southeast into the southern Indian Ocean.
Researchers found a 36% autumn and 9% winter decline in Arctic sea ice volume over the last decade. The study builds on previous studies using submarine and NASA satellite data, verifying compatibility with CryoSat-2 satellite measurements.
A European Space Agency satellite confirms a University of Washington analysis that the Arctic has lost more than a third of its summer sea-ice volume since 2012. The Arctic is now shrinking and thinning, with summer ice volume estimated to be one-fifth of what it was in 1980.
NASA released an animation of NOAA satellite imagery showing the lifetime of the historic nor'easter that brought over 2 feet of snow to New England states on Feb. 8-9, 2013. The storm left over 650,000 without power and led to travel bans in several governors' states.
Landsat 5 successfully operated for 28 years and 10 months, delivering high-quality global data of Earth's land surface. The satellite overcame numerous technical issues to achieve this record-breaking duration.
NASA-NOAA's Suomi NPP satellite captured a night-time image of extra-tropical cyclone Felleng, showing clouds and precipitation pushed east and southeast due to wind shear. The storm has completed its transition and is expected to dissipate in the next couple of days.
The COMPASS satellite navigation system achieves millimeter-level accuracy for GPS static points and meter-level accuracy for real-time users. However, systematic offsets exist between COMPASS and GPS precise positioning, indicating errors in measurement and dynamic models.
A powerful cold front is sweeping across the eastern United States, replacing spring-like temperatures with winter-time weather and producing powerful storms. The NOAA GOES-13 satellite captured a stunning image of the storm system on January 30, showing a line of clouds stretching from Canada to the US Gulf Coast.