The remnant low-pressure area of Tropical Cyclone Iris continues to linger in the South Pacific, approximately 285 nautical miles north-northeast of Willis Island, Australia. Global computer forecast models predict the system will remain weak, but there is a possibility it could develop into a weak tropical cyclone after 84 hours.
Tropical Cyclone Keni caused widespread damage and flash flooding in Fiji, especially on the island of Kadavu. Rainfall totals exceeded 200 mm over southwestern Viti Levu and reached 430 mm southwest of Viti Levu.
Tropical Cyclone Keni is being battered by vertical wind shear, with NASA-NOAA's Suomi NPP satellite revealing clouds and storms pushed southeast of the center. Sea surface temperatures are too cool to support a tropical cyclone, making Keni an asymmetric and elongated storm.
The remnant low pressure area of Tropical Cyclone Iris appears more circular and organized, with a consolidating banding of thunderstorms. The storm's remnants are forecast to turn southwest and may regenerate in the next few days, potentially regaining tropical cyclone status.
Tropical Cyclone Keni has formed in the South Pacific Ocean, with NASA's Global Precipitation Measurement mission (GPM) detecting heavy rainfall. The storm is tracking southeastward at 25 knots, expected to weaken and begin extratropical transition by April 11.
Remnants of Tropical Cyclone Iris continue to linger off Queensland, Australia, with moderate to high vertical winds shear. The system is moving through warm sea surface temperatures, creating favorable conditions for potential re-development into a tropical cyclone.
Tropical Cyclone Keni has intensified into a tropical cyclone after consolidating over Vanuatu in the Southern Pacific Ocean. NASA's Suomi NPP satellite captured its true-color image on April 9, showing the storm's center surrounded by thunderstorms.
Tropical Cyclone Iris' remnants linger in the Coral Sea as NASA's Suomi NPP satellite captures visible images of the low-pressure area. The bulk of precipitation is located in the southern and eastern quadrants due to northwesterly vertical wind shear.
The Global Precipitation Measurement (GPM) mission observed heavy convective rainfall southeast of Tropical Cyclone Iris' surface center. Heavy precipitation rates were recorded at over 59 mm per hour in that area.
Tropical Cyclone Iris is weakening and moving away from the Queensland coast as it continues to move southeast. The cyclone's wind speeds decreased to 52 mph near its center, with cloud top temperatures indicating potential for heavy rainfall.
Tropical Cyclone Iris has taken a long and fluctuating trek since its formation in the Coral Sea. The GPM core satellite analyzed heavy rainfall as it lingered near the Queensland coast before weakening and moving away from the coast.
NASA analyzed Tropical Cyclone Josie's heavy rainfall using Integrated Multi-satellitE Retrievals for GPM (IMERG) data, revealing extreme rainfall totals of over 450 mm in some areas. The study showed that Josie's clockwise circulation caused flooding leading to at least four deaths in Fiji.
NASA's Aqua satellite captured an infrared image of Tropical Cyclone Iris, revealing powerful thunderstorms with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The storm has the capability to produce heavy rainfall and is currently moving southeast towards the Queensland coast.
Tropical Cyclone Josie is crawling south of Fiji with very cold cloud top temperatures and strong storms. The storm is expected to move southeast away from the Fijian archipelago, strengthening slightly in three days.
Astronomers using the Hubble Space Telescope have discovered a blue supergiant star called Icarus, which is the farthest individual star observed. The team used gravitational lensing to magnify the star's light, revealing its true nature and providing insights into dark matter theory.
A tropical cyclone weakened to a low pressure area off Queensland's coast but strengthened into a Category 1 storm on April 2. NASA-NOAA's Suomi NPP satellite captured an image of the storm, showing a thick band of thunderstorms surrounding its center.
Super Typhoon Jelawat has developed an eye as it strengthens into a Category 5 hurricane with maximum sustained winds near 150 mph. The NASA satellite captured a stunning image of the storm on March 30, revealing its 6-mile-wide eye surrounded by strong convective storms.
The GPM satellite detected strong convective storms dropping rain at a rate of over 264 mm/hour, with some reaching heights of nearly 18 km. Favorable conditions are expected to aid Jelawat's rapid intensification and make it the first western Pacific Ocean typhoon of 2018.
Tropical Storm Jelawat is intensifying due to cold cloud top temperatures as low as minus 63 degrees Fahrenheit. The storm's maximum sustained winds strengthened to 50 knots on March 28, forecasted to reach hurricane force within 24 hours.
Researchers discovered a unique galaxy, NGC 1052-DF2, lacking most of its dark matter. The galaxy is as large as the Milky Way but contains only 1/200th the number of stars, leading to its classification as an ultra-diffuse galaxy.
A new study by NASA's Goddard Space Flight Center team has calculated how 'Oumuamua fits into our understanding of planetary system development. The object, a fresh perspective on planetary formation, was likely ejected from a distant star system and is helping scientists constrain planet formation models.
Tropical Cyclone Iris is being torn apart by strong wind shear, resulting in fragmented areas of thunderstorms and potential for heavy rainfall. The storm is weakening rapidly due to cooler waters and stronger vertical wind shear, expected to dissipate in the next day or two.
NASA analyzed satellite data to calculate Tropical Cyclone Nora's heavy rainfall in Queensland, revealing over 433 mm of rain in the Gulf of Carpentaria. The analysis also indicated significant precipitation along Nora's track into northwestern Queensland, causing flooding and landslides.
Tropical Depression Jelawat continues to face southerly vertical wind shear, causing its convection to remain displaced to the north. By March 27, it had developed into a tropical depression with sustained winds near 34.5 mph.
A tropical cyclone in Western Micronesia is expected to strengthen into a storm but is too far away to affect the Philippines. The Suomi NPP satellite will monitor changes in vegetation productivity and track natural disasters from space.
Cyclone Iris is a low-end Category 1 cyclone moving south through the Coral Sea. It is likely to weaken back to a tropical low and stall in the Coral Sea area for a full week.
Tropical Cyclone Marcus is weakening rapidly due to interactions with cooler waters and increased vertical wind shear. The storm's cloud top temperatures have warmed over the last day, indicating a weakening of its uplift.
Tropical Cyclone Nora strengthened into a hurricane as observed by NASA satellite imagery, with an eye forming and powerful thunderstorms wrapping around it. The cyclone is forecast to continue intensifying and making landfall in southwestern Queensland on March 27.
Tropical Cyclone 16P has developed over the Arafura Sea, located between Australia's north coast and New Guinea. The storm is moving east at 4.6 mph and is expected to intensify as it enters the Gulf of Carpentaria.
Tropical Cyclone Marcus, a Category 4 hurricane, was monitored by NASA-NOAA's Suomi NPP satellite. The storm's weakening was attributed to warming cloud top temperatures and increasing vertical wind shear.
Tropical Cyclone Marcus has intensified into a Category 4 hurricane with maximum sustained winds reaching 149.6 mph, according to NASA's Terra satellite analysis. The system continues to strengthen due to favorable environmental conditions, including low vertical wind shear and warm sea surface temperatures.
Tropical Cyclone Eliakim's cloud tops have been found to be warming by NASA, suggesting the storm is weakening due to strong wind shear. The warmer cloud tops also led to a decrease in rainfall on the northern side of the storm.
Tropical Cyclone Marcus is strengthening as it moves away from Western Australia, fueled by strong thunderstorms indicated by cloud top temperatures of -80°F (or colder). The eye of the storm is 11 nautical miles wide and moving westward at 17.2 mph.
Tropical Cyclone Eliakim caused severe flooding and landslides in eastern Madagascar with over 300 mm of rain, resulting in at least seven deaths. The storm's slow movement over the island nation led to continuous heavy rainfall.
The VIIRS instrument aboard NASA-NOAA's Suomi NPP satellite captured a true-color image of Tropical Cyclone Marcus on March 18, 2018. The storm brought hurricane-force wind gusts to Darwin, Australia, and was moving west at 16 mph per hour.
Tropical Cyclone Marcus has developed off Australia's Northern Territory coast, with NASA's Aqua satellite providing a visible light image of the storm. The cyclone is expected to move southwest, gradually turning to the west and affecting Darwin and eastern parts of Melville Island.
GPM's Dual Frequency Precipitation Radar data revealed intense convective storms in Tropical Cyclone Eliakim's northwest quadrant, dropping rain at over 205 mm/hour. The storm showed improved organization and powerful convective storms on its way to landfall in Madagascar.
Tropical cyclone Eliakim is intensifying in the Indian Ocean, with NASA's GPM satellite monitoring its formation. The storm is expected to bring heavy rainfall and potentially devastating flooding to northern Madagascar, following recent tropical cyclones Ava and Dumazile.
Scientists solved the mystery of purple lights in the sky using data from citizen scientists, satellites and researchers. The discovery provides insight into Earth's magnetic field and its interaction with charged particles in space.
NASA's GPM core satellite detected towering thunderstorms southeast of Tropical Cyclone Linda's center, producing heavy rainfall at rates exceeding 7.1 inches per hour. The storm's convective activity is decreasing due to dry air moving into the system and increasing vertical wind shear.
Tropical Cyclone Linda lost a strong band of thunderstorms east of its center, weakening and fragmenting in just 9 hours. Cloud top temperatures indicate the storm's capability for heavy rain, with temperatures as cold as minus 80 degrees Fahrenheit.
Tropical Cyclone Hola was torn apart by wind shear in the South Pacific Ocean. The satellite image showed the center of the storm fully exposed and almost devoid of precipitation except for the southern quadrant.
Engineers are conducting final testing at Northrop Grumman Aerospace Systems to ensure the observatory is ready for space. The science payload has already undergone rigorous testing, and the integrated spacecraft and sunshield will soon undergo their own launch environment tests.
The Hubble Space Telescope has discovered a rare relic galaxy, NGC 1277, that remains unchanged for the past 10 billion years. This unique find provides valuable insights into the origin and evolution of galaxies billions of years ago.
Tropical Cyclone 13P developed powerful storms with extremely cold cloud top temperatures, indicating strong storms capable of heavy rain. The Joint Typhoon Warning Center predicts the storm will continue strengthening before dissipating in four days.
Tropical Cyclone Hola dropped heavy rainfall on Vanuatu and New Caledonia, with maximum sustained winds of 95 knots (~ 105 mph) reported. The Joint Typhoon Warning Center expects the cyclone to recurve southeastward, avoiding a direct impact with New Caledonia.
Scientists used data from three NASA satellites to create a 3D model of coronal mass ejections and their associated shocks, confirming long-held theoretical predictions. The new models provide detailed information on shock density, speed, and strength, essential for assessing the danger CMEs pose to astronauts and spacecraft.
The James Webb Space Telescope will study the chemical complexity of molecular clouds to understand the origin and evolution of water and other key molecules. By observing icy layers, protoplanetary disks, and individual stars, scientists aim to determine whether life-building blocks exist in every star system.
Tropical Cyclone Hola was located southwest of the Pacific island nation of Vanuatu, with powerful thunderstorms wrapping into its center. The storm's maximum sustained winds were near 109mph, moving to the south-southwest at 4.6mph.
NASA's Aqua satellite observed Tropical Cyclone Dumazile moving through the Southern Indian Ocean with a well-defined low-level center of circulation. The satellite also captured clouds pushed south of the center due to vertical wind shear, indicating a significant threat to the cyclone's structure.