Tropical Storm Rene appears more organized as wind shear eases, becoming slightly circular on satellite imagery. The storm is forecast to strengthen into a hurricane by Saturday, Sept. 12, with no expected landfall impact.
Tropical Storm Paulette's cloud top temperatures were as cold as minus 63 degrees Fahrenheit, indicating strong storms capable of creating heavy rain. The storm was weakened by wind shear, but forecast to re-strengthen over the weekend and potentially become a hurricane.
NASA infrared data shows tropical cyclone Paulette experiencing strong wind shear, pushing clouds away from its center. This phenomenon can weaken the storm and indicate potential for heavy rainfall.
Tropical Storm Rene weakened to a tropical depression on Sept. 8 but regained strength, with NASA's Aqua satellite capturing its seesaw-like pattern of strengthening and weakening storms. The strongest storms had cloud top temperatures as cold as minus 80 degrees Fahrenheit, indicating potential for heavy rainfall.
Tropical Storm Paulette set a new record for the earliest 16th named storm of any Atlantic season by 10 days. The storm's organization improved significantly since September 7, with forecasters noting improved convection and wind shear restrictions.
Tropical Storm Rene, formed on September 7 in the North Atlantic, brought strong winds and heavy rain to Cabo Verde Islands. The storm's center was located near latitude 16.5 degrees north and longitude 26.5 degrees west, with maximum sustained winds of 40 mph.
A massive pyrocumulonimbus cloud formed over the Creek Fire in California's Sierra National Forest, with NASA's Suomi NPP satellite capturing its rapid spread. The fire has grown to over 135,000 acres, with hot and dry conditions fueling its expansion.
Typhoon Haishen made landfall in South Korea, bringing heavy rain, storm surge, and landslides. NASA's Aqua satellite captured infrared data showing the storm's temperature and rainfall potential, helping forecasters predict its path.
The NOAA-NASA Suomi NPP satellite captured images of smoke obscuring the US landscape, indicating a significant area of deep red range suggesting hazardous aerosol concentrations. Aerosols from fires can affect climate, visibility, and human health, particularly respiratory and cardiovascular systems.
Tropical Depression Omar is being affected by persistent wind shear, which is weakening the storm's rotation and inhibiting thunderstorm development. The NASA Aqua satellite has provided temperature information about the system's clouds, confirming the presence of wind shear.
Haishen has strengthened into a Category 4 hurricane/typhoon with sustained winds near 140 knots (161 mph/259 kph), forecast to peak later on Sept. 4 and make landfall in South Korea after 3 days.
The NOAA-NASA satellite has revealed detailed images of the Elkhorn Fire in California, highlighting burned areas and fire-affected regions. The satellite's reflective solar bands provide valuable information for firefighters and scientists to track the spread of the fire.
Maysak made landfall on Sept 2 at 12 miles west of Busan, South Korea, with maximum sustained surface winds of 64 knots. The storm underwent extra-tropical transition, gaining frontal characteristics, and is forecast to deepen as a low-pressure area over North Korea and China.
Tropical Storm Omar was weakened to a depression as it continued to be battered by strong upper-level winds, according to NASA's Terra satellite imagery. The storm's wind shear pushed clouds east of the center, leading to its downgrade from a tropical storm.
The NASA-NOAA satellite captured a nighttime image of Hurricane Nana just after it made landfall in southern Belize. The storm strengthened to a Category 1 hurricane with maximum sustained winds near 75 mph (120 kph) before weakening to a tropical storm as it moved inland.
Typhoon Haishen has a 10 nautical-mile wide eye surrounded by hundreds of miles of thunderstorms, intensifying to 130 knots with forecast landfall in South Korea. NASA's Terra satellite captures visible images revealing deep convection and spiral banding.
Tropical Storm Nana has strengthened in the Caribbean Sea, with NASA's Terra satellite analyzing cloud top temperatures to monitor its progress. The storm is expected to become a hurricane by tonight, posing warnings and watches for areas in Central America and Belize.
Typhoon Maysak is forecast to make landfall in southern South Korea, with maximum sustained winds near 90 knots. The storm will weaken rapidly as it passes over the Korean peninsula before dissipating over northeastern China.
Tropical Storm Omar formed on Sept. 1 off the coast of North Carolina, becoming the earliest 15th storm on record. NASA's satellite data revealed wind shear affecting the storm, causing it to strengthen and potentially generate heavy rainfall. The storm is now expected to weaken and become a remnant low-pressure area by Thursday, Sept. 3.
Typhoon Haishen strengthened rapidly after forming as Tropical Depression 11W on August 31. NASA's Terra satellite gathered data on the storm's water vapor content and temperature, revealing high concentrations of water vapor and cold cloud top temperatures.
Tropical Depression 15 formed over the Atlantic Ocean, east of North Carolina, and has been battling wind shear. The depression is currently 140 miles east-southeast of Cape Hatteras, moving toward the east-northeast at 14 mph.
Typhoon Maysak's eye is expected to pass just west of Okinawa Island within 24 hours. The storm has maximum sustained winds near 100 knots (115 mph/185 kph) and is predicted to make landfall in southern South Korea.
The Suomi NPP satellite captured two images of California's wildfires, showing the direction of smoke travel and aerosol layer thickness. The smoke was traveling in two directions, with some heading east to Salt Lake City and others west into the Pacific Ocean.
The NASA Terra satellite captured an infrared image of cloud top temperatures in Tropical Storm Hernan, showing its final burst of strength. The storm's powerful thunderstorms had coldest cloud top temperatures as low as minus 80 degrees Fahrenheit near the center.
Tropical cyclones are composed of hundreds of thunderstorms, and NASA's Infrared Data Reveals Where the Strongest Storms Are Located. The strongest storms have coldest cloud top temperatures, with some reaching minus 80 degrees Fahrenheit near Iselle's center.
Tropical Depression Laura is generating heavy rain and triggering watches across the eastern U.S., with a risk of tornadoes in parts of Mississippi, Tennessee, and southern Kentucky. The depression is moving east-northeast at 20 mph, expected to continue along the Ohio Valley through tonight.
Tropical Storm Maysak formed on August 28 with a quick burst of strength, featuring powerful thunderstorms reaching temperatures as low as minus 80 degrees Fahrenheit. The storm's cloud tops cooled significantly over the past 6 hours, consolidating its circulation center.
Tropical Storm Bavi made landfall in northwestern North Korea, weakened to a tropical storm with maximum sustained winds near 40 knots. The storm has transitioned to an extra-tropical cyclone, retaining hurricane-force winds as it moves across northeastern China.
Hurricane Laura made landfall as a powerful Category 4 hurricane along the Louisiana coast, with sustained winds near 150 mph and a clear circular eye. NASA-NOAA's Suomi NPP satellite captured a nighttime image of the storm just after landfall.
The LNU Lightning Complex fire has burned approximately 583.11 square miles, while the SCU Lightning Complex fire has burned around 666.47 square miles, according to NASA's Terra satellite imagery. These two complexes are among California's second and third largest fires in history.
A team of scientists using NASA's Hubble Space Telescope has mapped the immense envelope of gas surrounding the Andromeda galaxy, our nearest large galactic neighbor. The study reveals a layered structure with two main shells of gas, and sheds light on the fuel for future star formation and outflows from supernovae.
Tropical Storm Iselle formed on Aug 26 with enhanced infrared data showing strongest storms west of the center, indicating large amounts of rain. Wind shear will likely prevent strengthening over the next couple of days, and forecasts predict weakening late this weekend.
Tropical Storm Hernan forms in the Eastern Pacific, moving towards Mexico's coast. NASA's nighttime view reveals a sheared tropical cyclone with potential for heavy rainfall due to cold cloud tops.
Hurricane Laura is strengthening in the Gulf of Mexico, with NASA capturing powerful images of the storm from space. The eye of the hurricane was located near latitude 26.4 degrees north and longitude 91.4 degrees west, with maximum sustained winds increasing to near 115 mph.
Typhoon Bavi, a large storm in the Yellow Sea, was captured by NASA's EPIC camera aboard DSCOVR satellite on August 25, 2020. The storm had maximum sustained winds near 100 knots and was moving northwards.
NASA satellites have been providing forecasters with data on major Hurricane Laura's temperature, rainfall capability, storm structure and extent. Cloud top temperatures as cold as minus 80 degrees Fahrenheit are generating heavy rainfall.
Astronomers studied the galaxy's radio structure using VLBA, revealing a striking TIE fighter shape at 6.6 GHz. The team observed two periods of activity in TXS 0128+554, suggesting a lull in activity created a gap in the radio emission.
Hurricane Laura strengthened as a hurricane, with NASA providing infrared imagery showing its structure and rainmaking capabilities. The storm is over 350 miles in diameter, with hurricane-force winds extending outward up to 45 miles from the center.
Post-tropical cyclone Marco has weakened toward dissipation after passing over the Gulf of Mexico, with NASA's Terra satellite capturing its final stages. The storm made landfall near the mouth of the Mississippi River and was pushed northeast by southwesterly wind shear.
A massive wildfire complex has engulfed California, with over 650 fires burning in the state. NASA's Terra satellite captured the smoke-engulfed state on August 24, 2020, revealing a pervasive smoky pall that has affected areas from California to Minnesota and Nebraska.
Tropical Storm Laura continues to move through the Caribbean Sea, producing heavy rainfall and potentially life-threatening flash flooding. NASA's infrared data reveals powerful storms with cold cloud top temperatures, affecting Jamaica and Cuba.
The James Webb Space Telescope successfully completed a critical ground segment test, demonstrating the complete end-to-end flow from planning science observations to downlinking data. This milestone validates the observatory's ability to respond to commands and function in space.
The Suomi NPP satellite captured images of California's massive wildfires, which merged to form two complexes: LNU Lightning Complex and SCU Lightning Complex. The fires were started by lightning strikes and are fueled by hot air that creates pyrocumulus clouds.
Tropical Storm Laura has become better organized than yesterday, with improved structure, but still lacks well-defined banding features. The storm is expected to move west-northwestward over the next couple of days, potentially affecting the northern Leeward Islands and Puerto Rico.
Tropical Depression 14 is forecast to strengthen into a tropical storm and potentially become a hurricane, according to NASA's Terra satellite data. The depression's coldest cloud top temperatures were as cold as minus 60 degrees Fahrenheit, generating heavy rainfall and affecting Mexico's Yucatan Peninsula.
Tropical Storm Genevieve has weakened rapidly due to various factors, including moderate southerly vertical wind shear and cooler sea-surface temperatures. As of Aug. 21, the storm is expected to degenerate into a post-tropical cyclone, moving further away from the Baja California peninsula.
Hubble Space Telescope images reveal comet NEOWISE's intact nucleus and intricate coma structure. The telescope's high resolution allows for the detection of dust and gas jets emanating from the nucleus, providing valuable insights into the comet's composition and behavior.
The Roman Space Telescope will detect hundreds of rogue planets using microlensing surveys, improving our understanding of planetary demographics. The mission aims to narrow down competing models of planetary formation by studying isolated planets with masses as small as Mars.
Hurricane Genevieve's size and strength were revealed through NASA's wide-angle photos, showing a clear eye surrounded by powerful thunderstorms. The storm's wind field expanded, affecting the Baja California peninsula with strong winds, heavy rainfall, and large ocean swells.
The Q3D team will study three bright quasars to measure the activity that comes from accreting material onto supermassive black holes, revealing how it affects host galaxies. The study aims to understand the relationship between supermassive black holes and their host galaxies by analyzing gas motions in nearby and distant galaxies.