NASA's Terra satellite captured an infrared image revealing two small areas of strong thunderstorms with cloud top temperatures as cold as -63 degrees Fahrenheit. These conditions are indicative of heavy rain generation, suggesting the potential for further storm activity.
Tropical Cyclone Owen strengthened as it moved east through the Gulf of Carpentaria towards a landfall in western Queensland. The storm was categorized as a Category 3 system with maximum sustained winds near 120 kilometers per hour.
Tropical Cyclone Owen has intensified over the Gulf of Carpentaria, with NASA's GPM satellite detecting extremely heavy rainfall rates up to 97 mm/h in the Arafura Sea. The storm is expected to continue strengthening and potentially reach Category 4 intensity by Friday.
Astronomers use Hubble to detect a second 'very warm' Neptune losing its atmosphere at an unprecedented rate, shedding light on the mysterious hot-Neptune deficit. The planet's evaporation may be linked to its star's intense radiation and age.
Tropical Cyclone Owen's center was surrounded by intense storms with cloud top temperatures as cold as minus 80 degrees Fahrenheit. The cyclone is expected to move slowly and may reach category 3 intensity, bringing destructive winds along the Northern Territory coast.
NASA's GPM mission provided detailed data on rainfall rates within Tropical Cyclone Owen's remnants as they approached the Queensland coast. The satellite's instruments revealed intense rainfall rates of over 32.4 mm/h and 52 mm/h in feeder bands, indicating a potentially intensified cyclone.
NASA-NOAA's Suomi NPP satellite captured the remnants of Tropical Cyclone Owen showing a consolidating low level circulation center with deep convection building over the center. Sea surface temperatures are conducive for future tropical cyclone development, and forecast models indicate potential development over the next 24-36 hours.
Hurricane Maria caused widespread destruction in Puerto Rico's forests, with 40-60% of tall trees damaged. The island's energy grid also struggled to recover, with rural areas experiencing longer power outages. NASA research has provided new insights into the storm's impacts on communities and critical infrastructure.
Heavy precipitation fell in California wildfire areas, causing evacuations and flash floods, with IMERG data showing rainfall totals between 6.3-9.4 inches in north central California.
Tropical Cyclone Owen weakened from a tropical storm to a depression due to wind shear, resulting in disorganized storm patterns and reduced thunderstorm development. The Joint Typhoon Warning Center notes a chance for the storm to re-strengthen after two days when wind shear relaxes.
Tropical Cyclone Owen formed in the Southern Pacific Ocean and produced heavy downpours, with rain rates reaching over 53 mm/hour near its center. The GPM satellite captured powerful storms on the eastern side of the cyclone, dropping rain at a rate of over 94 mm/hour
The VISIONS-2 mission aims to map oxygen outflow from aurora using a unique imaging technique, providing detailed insights into the process. Scientists suspect that oxygen is being energized by auroras, but the exact mechanisms are still unclear, with the day and night sides displaying distinct differences.
A NASA study reveals that the hydroxyl radical, a molecule that breaks down methane and other greenhouse gases, recycles itself in the atmosphere through reactions with nitrogen oxides and water vapor. This recycling process maintains a steady global presence of OH radicals, potentially extending methane's lifetime.
NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) data revealed that Tropical Storm Usagi dropped moderate to heavy rain along its path in Southeast Asia. The analysis showed the storm produced over 350 mm of rainfall in Vietnam, causing widespread flooding around Ho Chi Minh City.
Scientists used data from NASA's Fermi Gamma-ray Space Telescope to measure all starlight produced over 90% of the universe's history. This analysis provides a reference for future missions exploring stellar evolution and confirms previous measurements of star-formation rates.
Tropical Storm Man-yi has a small area of heavy rain northeast of its center, with precipitation rates exceeding 30 mm/h, according to NASA's GPM mission. The storm is expected to maintain strength and eventually transition into an extra-tropical cyclone by Nov. 28.
Tropical Storm Man-yi showed a small area of intense rainfall northeast of its center due to moderate wind shear. The storm is expected to transition into an extra-tropical cyclone by Nov 28, maintaining strength for another day.
Tropical Cyclone 33W, known as Usagi, weakened to a depression after landfall near Ho Chi Minh City, Vietnam. The satellite captured its disorganized remnants dissipating over the Ca Mau Peninsula on November 26, 2018.
Tropical Cyclone 33W strengthened into a tropical storm over the South China Sea, with maximum sustained winds near 63 mph. The storm is forecasted to make landfall very near Ho Chi Minh City late on Nov. 24, and then progress to Cambodia.
Typhoon Man-yi's eye has become cloud-filled due to outside winds, indicating a weakening storm. The Joint Typhoon Warning Center predicts the storm will make a sharp turn to the northeast and pass east of Okinawa Island, Japan.
NASA's Suomi NPP satellite captured Tropical Depression 33W moving through central Philippines and entering the Sulu Sea. The storm is expected to strengthen as it crosses the South China Sea and heads toward Vietnam.
Tropical Storm Man-Yi is strengthening in the Northwestern Pacific, with warnings in effect for the Federated States of Micronesia and the Mariana Islands. The storm is expected to intensify into a typhoon by Thursday, potentially reaching winds of up to 110 mph.
Tropical Cyclone Bouchra was weakened and elongated due to wind shear, according to NASA's Aqua satellite. The storm was torn apart by winds, with its center appearing almost cloud-free, before making its final dissipation on November 20.
Tropical Depression 33W, also known as Cyclone Samuel, has triggered warnings and watches in the Philippines. The storm system moved into the central part of the country on November 20, bringing strong winds and heavy rainfall.
Tropical Depression Toraji formed on Nov. 19 and briefly existed before regenerating in the Gulf of Thailand on Nov. 20. The storm's maximum sustained winds were near 25 knots (28.7 mph) and was moving west-southwest, expected to dissipate in the Malakka Strait.
Tropical Depression Man-yi has formed over the Northwestern Pacific Ocean, triggering watches and warnings for several Pacific island nations. The storm is expected to intensify through Friday, possibly becoming a tropical storm, with maximum sustained winds of 30 mph.
Tropical Cyclone Bouchra has regenerated into a tropical storm after dissipating as a low-pressure area, with winds reaching 50 knots. The storm's elongated shape indicates wind shear affecting its circulation center and weakening it.
The GPM satellite has observed light rain occurring throughout the eastern half of Tropical Depression 33W, with heavy rainfall concentrated near the storm's center. The depression is moving west-northwest and will later enter the South China Sea.
Tropical Cyclone Gaja made landfall along southeastern India's coast as it passed overhead the NASA Aqua satellite, providing temperature information. The AIRS instrument detected coldest cloud top temperatures of minus 63 degrees Fahrenheit near the center, indicating a storm capable of heavy rainfall
NASA-NOAA's Suomi NPP satellite captured an image revealing a cloud-filled eye in Tropical Cyclone Gaja. The storm is currently located near southeastern India and is expected to make landfall before Nov. 16.
Magnetic reconnection occurs daily near Earth due to twisting field lines and can create auroras or disrupt power grids. NASA's Magnetospheric Multiscale mission revealed the process flings particles symmetrically in Earth's magnetotail, unlike on the sunward side.
Tropical Cyclone Gaja's powerful thunderstorms circled its center, forming a thick band that wrapped into the low-level center from the eastern quadrant. The storm is moving west-southwest and has maximum sustained winds near 45 knots.
Tropical Cyclone Gaja formed on November 10 and strengthened into a tropical storm with maximum sustained winds near 40 mph. The satellite imagery showed an elongated storm with disorganized rain bands and fragmented convection patterns, moving west-southwest towards southern India.
Tropical Cyclone Bouchra formed on Nov. 10 and dissipated by Nov. 13, with maximum sustained winds of 34.5 mph. Wind shear weakened the storm's rotation, causing it to disintegrate.
The Global Precipitation Measurement mission provided detailed insights into Tropical Cyclone Alcide's heavy rainfall, revealing convective storms dropping rain at rates of over 255 mm/h. The satellite data showed the most powerful storms were located in the western eye wall, reaching heights above 16 km.
Tropical Cyclone Alcide's winds have dropped to 80 mph as it lingers just northeast of Madagascar in the Southern Indian Ocean. The storm is expected to curve northward and pass near the northern point of Madagascar over several days.
Tropical cyclone Alcide formed in the South Indian Ocean northeast of Madagascar, prompting NASA's Global Precipitation Measurement mission to analyze its rainfall. GPM's data revealed strong convective storms dropping rain at a rate of over 44 mm/hour, with measurements of precipitation heights made possible by DPR Ku Band radar.
Tropical cyclone Alcide reached hurricane-force strength, according to NASA's Terra satellite imagery. The storm was observed with a thick band of powerful thunderstorms circling the center, and its eye appeared ragged on MODIS imagery.
Researchers have observed two galaxy nuclei in close proximity to each other, providing a rare glimpse of supermassive black hole pairs. The study offers insights into the final stages of galaxy mergers and their role in shaping the evolution of massive black holes.
Scientists plan to fly a coronagraph aboard a high-altitude balloon to measure density, temperature, and speed of electrons in the corona. This will help understand how solar wind forms and accelerates, impacting space-weather forecasts and potentially disrupting power grids.
Tropical Storm Xavier weakened to a remnant low pressure area on Nov 6, 2018, with strong southwesterly vertical wind shear observed. The GPM core satellite analyzed the storm's precipitation structure, revealing powerful convective storms reaching altitudes of up to 11.1 km.
Tropical Cyclone 03S has formed in the Southern Indian Ocean with maximum sustained winds near 35 knots. The storm is moving west-southwestward and is expected to strengthen over the next several days, according to NASA satellite imagery.
Tropical Storm Xavier has strengthened in western Mexico, bringing heavy rainfall and potentially severe flooding to the region. The storm is expected to weaken over the next few days, but not before producing significant swells along the southwestern coast.
Tropical Depression Yutu, once a Super Typhoon, has weakened to a depression, with the center of circulation still apparent on MODIS imagery. The Joint Typhoon Warning Center forecasts its complete dissipation by the end of the day.
Researchers have developed an image-processing technique to study comet tails, revealing the unexpected impact of solar winds on dust particles. The findings suggest that the solar wind can disperse dust in McNaught's tail, leading to a better understanding of cometary behavior and its connection to asteroid and planet formation.
A NASA team is experimenting with ultrafast lasers to weld dissimilar materials, including exotic glasses and metals. The goal is to develop new manufacturing techniques that could benefit spaceflight instruments.
Hurricane Oscar has transitioned into an extra-tropical low pressure area, characterized by a loss of tropical characteristics and poleward displacement. The storm is expected to bring winds and rain to Ireland over the weekend of Nov. 3 and 4.
Tropical Storm Yutu produced heavy rainfall over Luzon in the Philippines, but analysis from NASA's Global Precipitation Measurement mission showed little rainfall near its center of circulation. Heavy rainfall was found in powerful storms northwest and southeast of Yutu's center, with rates exceeding 183 mm/hour.
CloudSat flew over Typhoon Yutu on October 28, 2018, revealing a cirrus-free eye with an outward sloping eyewall. The storm was weakening due to unfavorable atmospheric conditions. The satellite's radar captured intense areas of convection and cloud-free areas underneath the northern portion of the cirrus canopy.
Strongest thunderstorms were found west and northwest of the center with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The storm is expected to remain powerful over the north-central and northeastern Atlantic Ocean into the weekend.