Hurricane Bud has formed in the Eastern Pacific Ocean, bringing heavy rain and strong winds to southwestern Mexico. The storm is predicted to produce life-threatening flash floods and mudslides, as well as life-threatening surf and rip current conditions.
NASA observed hurricane Aletta's intense rainfall rates and powerful storms before it weakened due to adverse conditions. The storm produced heavy precipitation, with radar data indicating a rate of over 142 mm per hour.
Tropical Storm Ewiniar made landfall in southeastern China on June 7, according to NASA's Aqua satellite. The storm's extreme cold cloud tops, reaching -63 degrees Fahrenheit, are indicative of its potential for heavy rainfall and severe weather.
Tropical Storm Maliksi forms in the Philippine Sea with sustained winds of near 40 knots (46 mph), moving north towards Japan. The storm's circulation center is over open waters, extending bands of thunderstorms over northern and central Philippines.
Hurricane Aletta strengthened after passing over NASA's Aqua satellite on June 7, with coldest cloud top temperatures reaching -63 degrees Fahrenheit. The storm is expected to intensify to Category 4 status before weakening begins this weekend.
Tropical Storm Aletta was found to have intense rain bands with rainfall rates over 187 mm, and storm top heights of over 12 km. The Global Precipitation Measurement mission revealed these findings using GPM precipitation measurements.
Tropical Cyclone Ewiniar has strengthened in the South China Sea, blanketing Hainan Island with bands of thunderstorms. The storm is expected to make landfall in southeastern China's mainland and dissipate quickly, prompting severe weather warnings.
Tropical Depression 05W briefly reached tropical storm status before weakening back to a depression. NASA's Aqua satellite captured infrared imagery showing the storm's strength and potential for heavy rainfall.
Tropical Storm Aletta formed on June 5 over the Eastern Pacific Ocean, with NASA-NOAA's Suomi NPP satellite capturing its development. The storm strengthened into a tropical depression and later a tropical storm, moving westward at 7 mph, expected to become a hurricane by June 7.
The solar wind pressure increase in 2014 led to a change in the shape of our heliosphere. The boundaries of the heliosphere expanded outward as particles rebounded off their edges. This expansion can be seen in the increased density of energetic neutral atoms detected by IBEX, which have been traveling through space and returned to Earth.
Tropical Storm Sagar brought heavy rainfall to Somalia, while Cyclone Mekunu caused widespread flooding in Oman and Yemen. The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement mission estimated heavy rainfall in various regions, with some areas receiving over 3 times their annual average.
Tropical Depression 05W shows strong storms with cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating potential for heavy rainfall. The depression is expected to reach tropical storm strength late on June 5 and make landfall in southeastern China early on June 7.
The James Webb Space Telescope's instruments are shielded from excessive heat using specially designed baffles that reflect infrared radiation outward. The baffles, coated with gold to maximize reflectivity, are reinstalled before the observatory's integration at Northrop Grumman Aerospace Systems.
Tropical Cyclone 05W formed near Vietnam on June 2, moving northwest and intensifying into a tropical depression. NASA's satellite imagery shows the storm's center south of Hainan Island, with forecasters predicting landfall in southeastern Hainan by June 5.
Subtropical Storm Alberto brought heavy rain to the southeastern US, with IMERG estimates showing up to 8 inches of rain over central Alabama. The storm's passage also led to flash flood watches for several states, causing 6 deaths in total.
Subtropical Depression Alberto's center has been located near latitude 38.7 degrees north and longitude 87.4 degrees west, approximately 80 miles southwest of Indianapolis, Indiana. The depression is moving toward the north-northeast at 17 mph, with maximum sustained winds near 30 mph and higher gusts.
The Van Allen Probes mission has identified local acceleration as the main cause of highly energized ions and electrons in the radiation belts, contrary to previous theories that suggested radial diffusion was the primary driver. This discovery is crucial for improving space weather forecasting models.
Alberto has weakened to a subtropical depression with strongest storms circling its low-level center, producing heavy rainfall and flash flooding concerns.
The National Hurricane Center has issued a Tropical Storm Watch for parts of Mexico and Cuba as Subtropical Storm Alberto strengthens in the Atlantic Ocean. The storm is forecast to produce large rainfall totals and life-threatening flash floods and mudslides, particularly in the northeastern portions of the Yucatan Peninsula.
Mekunu is now classified as an Extremely Severe Cyclonic Storm, with maximum sustained winds near 115 mph and a central pressure of ~964 hectopascals. The storm is forecast to make landfall near Salalah, Oman early on May 26, posing a significant threat to shipping in the Gulf of Aden.
NASA satellites provided an infrared, night-time and precipitation analysis of Tropical Cyclone Mekun, revealing powerful convective storms southwest of the center. The storm's cloud top temperatures were as cold as -63.1°C, indicating potential for heavy rainfall.
Tropical Cyclone Mekunu has consolidated and strengthened off Oman's coast with sustained winds near 69mph. The storm is expected to make landfall on May26 with winds near80knots, just west of Salalah, Oman.
Tropical Cyclone 02A formed approximately 655 nautical miles south of Masirah Island, Oman. The storm was observed by NASA's Aqua satellite and is forecast to strengthen as it moves over warm waters before making landfall in Oman.
NASA analyzed satellite data to measure heavy US rainfall, finding record amounts in the Mid-Atlantic region. The extreme precipitation led to severe flooding along several rivers, including Washington D.C.'s Potomac River.
Tropical Cyclone Sagar made landfall in Somalia on May 19, with NASA's Terra satellite capturing infrared images of the storm. The MODIS instrument revealed powerful thunderstorms northwest of the center, which generated heavy rain due to extremely cold cloud top temperatures.
Tropical Cyclone Sagar appears more organized on satellite imagery, strengthened since May 17. The storm's maximum sustained winds have increased to 69 mph, posing a threat to Yemen, Somalia, and Djibouti.
The Transiting Exoplanet Survey Satellite (TESS) has completed a lunar flyby, providing a gravity assist to help it reach its final working orbit. As part of camera commissioning, TESS snapped a two-second test exposure revealing over 200,000 stars in the southern constellation Centaurus.
Tropical Cyclone 01A quickly formed in the northern Indian Ocean and strengthened into a tropical storm. The joint typhoon warning center noted maximum sustained winds near 46 miles per hour on May 16, indicating a potential for heavy rainfall.
Scientists combined NASA satellite observations with data on human activities to map freshwater changes globally. Freshwater is getting wetter in high latitudes and tropics while drying up in between regions, with some areas experiencing groundwater depletion.
The Parker Solar Probe and Solar Orbiter missions will take us closer than ever before to the Sun, providing a comprehensive understanding of its inner workings and shedding light on space weather events that can disrupt technology and power grids. The missions aim to clarify the coronal heating problem and study the solar wind's inter...
Microgap cooling technology aims to remove excessive heat from tightly packed electronics and devices, which are vulnerable to overheating in space. The test on the Blue Origin New Shepard launch vehicle will validate the system's performance under microgravity conditions.
Carbon nanotubes are proving to be highly versatile for all types of spaceflight applications, including analyzing the chemical properties of rocks and soil on airless bodies. The nanotechnology works as envisioned, emitting enough electrons to excite samples and offering significant improvements over existing instruments.
Scientists have found a new type of magnetic event, reconnection, occurring in turbulent plasma near Earth. The discovery bridges the gap between magnetic reconnection and turbulence, shedding light on dynamic space weather systems.
Heavy seasonal rainfall caused by NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) revealed severe flooding in Kenya, displacing over 244,000 people. The estimated death toll from flooding and mudslides has been increased to about 100 people.
The Global Ecosystem Dynamics Investigation - GEDI is a first-of-its-kind laser instrument designed to map the world's forests in high resolution and three dimensions. It will gather height information about everything in its path, but is specifically designed to measure forests.
The SEXTANT team plans to fly XNAV on a CubeSat mission called CubeX to gather timing data from millisecond pulsars. The mission aims to improve navigation in deep space and measure the Moon's lower crust and upper mantle composition.
Tropical Cyclone Flamboyan has been weakened by strong vertical wind shear, with precipitation pushed southeast of its center. The storm's elongated low-level circulation center is due to the presence of high winds, leading to a gradual decay over the next couple of days.
The GPM core satellite analyzed severe weather in the US, predicting a surge of spring tornadoes after a drought. Moisture-laden air from the Gulf of Mexico interacted with dry air, resulting in thunderstorms that spawned rotation and tornadoes.
The GPM core satellite observed high rainfall rates of over 2.1 inches per hour in Tropical Cyclone Flamboyan on April 29, 2018. The storm was weakening due to increasing vertical wind shear and colder ocean temperatures.
GTOSat will gather measurements from a highly elliptical Earth orbit and use its instruments to measure high-energy particles in the Van Allen belts, providing new data after the Van Allen Probes mission is over. The Dellingr-X spacecraft bus and its instruments are designed to withstand the hostile environment of the radiation belts.
Scientists analyzed newly resurrected data from Galileo's first flyby of Ganymede, revealing a stormy scene with particles blasted off the moon's icy surface due to incoming plasma rain. The results may hold key insights into why Ganymede's auroras are so bright.
NASA's Aqua satellite captured images of Tropical Cyclone Flamboyan, revealing northwesterly wind shear pushing the storm southeast. The coldest cloud tops were highest in the atmosphere, indicating strong storms capable of producing heavy rainfall.
The James Webb Space Telescope has the potential to observe the first stars in the universe, which formed about 200-400 million years after the Big Bang. The telescope can capture light from single stars with a massive amount of gravitational lensing, amplifying it up to 10,000 times.
NASA's Aqua satellite detected Tropical Cyclone Fakir weakening in the Southern Indian Ocean with coldest cloud top temperatures as low as minus 63 degrees Fahrenheit. On April 25, Fakir's maximum sustained winds decreased to 35 knots, and the system is moving southeast, indicating potential for heavy rainfall.
Tropical Cyclone Fakir is experiencing severe vertical wind shear, causing it to deteriorate rapidly. The system is expected to dissipate by April 26 due to unfavorable environmental conditions.
NASA is studying four potential flagship missions to explore the universe, including direct imaging of Earth-like planets and investigation of first black holes. The agency will use advanced tools to overcome technical challenges and achieve unprecedented picometer-level stability.
Tropical Cyclone Fakir is expected to intensify as it moves southeastward, with heavy rainfall rates reaching over 8.6 inches per hour in some areas. The GPM satellite revealed bands of extremely heavy rainfall spiraling into the cyclone's southeastern side, and predicted that the storm could peak in strength on April 24.
In April 2018, a weather system caused destructive flooding and mudslides in Hawaii. The NASA GPM satellite provided detailed data on the heavy rainfall, showing that Kauai received over 478 mm of rain, with some areas experiencing even higher totals.
A line of strong storms, including an EF-2 tornado that killed one person and a tornado near Lynchburg, Virginia, were captured by NASA's GPM. The storm system was spawned by a deep trough of low pressure west of the Appalachians.
The Hubble Space Telescope has imaged a massive galaxy cluster, revealing its intricate structure and the presence of dark matter. The cluster is comprised of thousands of galaxies held together by gravity, with most of its mass existing in non-luminous dark matter.