Rebekah developed as a subtropical storm on Halloween, with temperatures reaching minus 50 degrees Fahrenheit around its center. The storm is moving east-northeast at 18 mph and is expected to weaken into a post-tropical cyclone by Nov 1.
Tropical Storm Maha has developed near the southwestern Indian coast and is strengthening, as indicated by its symmetrical shape. The storm's center is located approximately 848 nautical miles south-southeast of Karachi, Pakistan, with forecasted northwest movement over the next couple of days.
Tropical Storm Matmo is taking on a more rounded shape, indicating it's strengthening, and is expected to make landfall in central southeastern Vietnam. The storm's maximum sustained winds are near 46 mph with higher gusts.
Tropical Cyclone Kyarr maintained its eye but became cloud-filled, indicating weakening. The storm's shape and size suggest a gradual weakening process due to environmental conditions.
Tropical Cyclone Kyarr is a powerful storm with an organized eye, producing deep convection and strong thunderstorms. Forecasted to turn southwest and make landfall in Somalia, the cyclone's trajectory may be influenced by two large areas of high pressure.
NASA provided forecasters with an analysis of rainfall rates in Tropical Cyclone Kyarr, measuring rainfall at over 40 mm per hour. The storm's cloud top temperatures were as cold as minus 63 degrees Fahrenheit, producing heavy rain.
Tropical Storm Pablo formed on Oct. 25 and strengthened into a hurricane before weakening back into a tropical storm. NASA's satellite imagery captured the storm's formation and rapid changes, revealing a small-scale cyclone with well-defined winds within a larger low-pressure area.
Tropical Storm Olga merged with a cold front, leading to weakening and post-tropical cyclone classification. The remnants of the storm moved through the Mississippi Valley before reaching the Great Lakes.
Typhoon Bualoi continued to exhibit asymmetric shape due to ongoing wind shear, as revealed by NASA-NOAA's Suomi NPP satellite. The storm was transitioning into an extra-tropical cyclone, losing its tropical characteristics. Forecasters predict it will weaken and make landfall well east of Japan.
Tropical Storm Kyarr formed quickly near the southwestern coast of India, intensifying into a storm with heavy rainfall warnings and gale-force winds forecasted. NASA's Aqua satellite provided visible images revealing a large band of powerful thunderstorms circling the low-level center of circulation.
Tropical Depression 17 formed over the Gulf of Mexico, with maximum sustained winds near 35 mph and a minimum central pressure of 1006 millibars. The depression is expected to merge with a cold front, bringing gale-force winds and heavy rainfall to the northern Gulf coast.
The NASA-developed Photonic Integrated Circuit Tuned for Reconnaissance and Exploration (PICTURE) instrument will utilize telecommunications-inspired technologies to create a smaller, more capable spectrometer. This device aims to gather unprecedented details about extraterrestrial planets, moons, comets, and asteroids.
Typhoon Bualoi's asymmetrical shape suggests it is weakening, with the strongest thunderstorms located west of center. Satellite data reveals a dome-like protrusion above the cumulonimbus anvil cloud, indicating strong updrafts and powerful storms.
Typhoon Bualoi continues to move through the Northwestern Pacific Ocean, experiencing heavy rain around its eye, falling at a rate of over 50 mm/hour. Forecasters incorporate the rainfall data into their forecasts for updated hurricane weather information.
William Zhang won the Goddard Technology Award for developing ultra-lightweight and sensitive X-ray mirrors using mono-crystalline silicon. This innovation could represent a paradigm shift in X-ray astronomy, enabling more efficient and detailed observations of celestial targets.
Typhoon Bualoi is expected to intensify through Thursday and then begin weakening as it moves in a northerly track. The storm's strong winds and heavy rain are a concern for the affected islands.
Neoguri, formerly a typhoon, has taken on a more frontal system appearance in NASA's Aqua satellite imagery. The storm is expected to intensify slightly and track northeastward with maximum sustained winds near 45 knots.
Tropical Storm Neoguri is undergoing extratropical transition due to southwesterly wind shear, resulting in elongated storm structure and weakened convection. The system's maximum sustained winds near 40 knots (46 mph) are expected to decrease within 12 hours.
The sunshield has passed a test critical to preparing the observatory for launch, with technicians deploying and tensioning each of its five layers. The deployment simulates the conditions it will face in space, with temperatures ranging from -394°F to 230°F.
Typhoon Bualoi rapidly intensified over 24 hours, developing an eye and powerful thunderstorms. The storm's organization and strength were assessed using satellite imagery provided by NASA-NOAA's Suomi NPP satellite.
Tropical Storm Priscilla made landfall in western Mexico on October 20, causing widespread rainfall accumulations. The storm dissipated by nightfall, leaving behind remnants that moved northwards.
Tropical Storm Neoguri has become more organized over the past 24 hours, according to NASA-NOAA satellite data. The storm was classified as a tropical depression for days before consolidation on October 18, and is expected to strengthen before weakening.
Tropical Storm Octave formed on Oct. 17 as a tropical depression in the Eastern Pacific Ocean, with cloud top temperatures reaching -70 degrees Fahrenheit. The storm is expected to weaken due to wind shear and movement out of the Intertropical Convergence Zone (ITCZ), forecasted to degenerate into a remnant low over the weekend.
The Suomi NPP satellite captured night-time and infrared images of Tropical Storm Nestor on Oct. 18, revealing lightning, overshooting cloud tops into the stratosphere, and gravity waves. Powerful thunderstorms around the storm's center generated these waves in quick bursts.
Scientists can study multiple regions in space simultaneously using sounding rockets equipped with sub-payloads and a distributed payload communications system. This technology allows for the transmission of data from multiple instruments at different altitudes, enabling new research opportunities.
Astronomers have observed the first confirmed interstellar comet, 2I/Borisov, using NASA's Hubble Space Telescope. The comet has a central concentration of dust around its nucleus and is traveling at an extraordinary speed of 110,000 miles per hour.
Tropical Depression 17E made landfall over Mexico's Oaxaca state, bringing heavy rainfall. A low-pressure system is also developing off the southern coast, posing a threat to the northern Gulf Coast.
NASA's Terra satellite captured an image of Tropical Depression Fifteen on Oct. 16, revealing its elongated shape and weakening circulation. The system had degenerated into a trough of low pressure, marking the end of its life cycle.
The Suomi NPP satellite revealed that Tropical Storm Melissa was experiencing wind shear, causing the strongest thunderstorms to be displaced. This led to a weakening of the storm's circulation, with only scattered clouds and precipitation remaining.
Tropical Storm Ema formed near Hawaiian Islands on October 12 and passed over NASA's Terra satellite on the following day. The satellite captured strong convection limited to the area north of the storm's center, indicating wind shear effects
Typhoon Hagibis brought damaging winds, rough surf, and heavy rainfall to Japan, causing widespread flooding and landslides. Rainfall totals reached as high as 994 mm in Hakone, with at least 31 deaths reported and over 186 people missing.
Typhoon Hagibis has weakened to a typhoon status after being a super typhoon, with NASA-NOAA's Suomi NPP satellite providing visible imagery of the storm. The image showed a cloud-filled eye surrounded by powerful thunderstorms and a large tail of clouds stretching along Japan's east coast.
Subtropical Storm Melissa forms off the New England coast, bringing strong winds and coastal flooding to the mid-Atlantic region. The National Hurricane Center predicts gradual weakening over the next few days, with Melissa expected to lose its subtropical characteristics by Saturday night.
Astronomers used Hubble data to find a surplus of incoming gas in the Milky Way, with unknown sources contributing to the excess. The galaxy's balance regulates star and planet formation.
The Suomi NPP satellite provided a composite visible image of Super Typhoon Hagibis, revealing its impressive structure with an eye surrounded by powerful thunderstorms. The storm maintained its intensity as it moved north-northwest towards Japan.
A new study suggests that a majority of lunar ice deposits are likely billions of years old, but some may be more recent, posing implications for exploration and resource utilization.
Researchers have measured pressure at the edge of the solar system for the first time, finding it to be greater than expected. The pressure, caused by plasma, magnetic fields and particles like ions and cosmic rays, was calculated using observations of galactic cosmic rays from NASA's Voyager spacecraft.
The DUST experiment aims to shed light on cosmic dust formation and its impact on planet growth. By launching lab equipment into space, scientists can study the complex process of dust grain growth and aggregation.
Tropical Storm Mitag is undergoing extratropical transition, losing its tropical characteristics and becoming a larger system with increasing wind field size. The storm had maximum sustained winds near 40 knots (46 mph/74 kph) as it moved east-northeast towards landfall over northern Honshu, Japan.
NASA's Terra satellite captured a visible image of Post-tropical Cyclone Lorenzo as it neared Ireland on Oct. 3, showing frontal features and cloud-filled center of circulation west of Ireland. Met Eireann has issued rainfall and wind warnings for Ireland due to the storm's heavy rains and high winds.
Tropical Storm Mitag was dropping heavy rainfall along South Korea's coastal areas, with light rain falling over the rest of the country. The Global Precipitation Measurement mission found heaviest rain in scattered areas over eastern and southern coasts.
Lorenzo has transitioned to an extra-tropical cyclone, bringing hurricane-force winds and heavy rainfall to Ireland and the United Kingdom. The GPM core satellite detected heavy rainfall north of the center, with rates reaching over 1 inch per hour.
A low-pressure system formerly known as tropical cyclone Narda is generating scattered light rain in the eastern side of its remnant clouds. Forecasters expect additional rainfall of up to 2 inches across parts of Chihuahua and Sonora, with moisture spreading northeastward across US Southern Plains.
Typhoon Mitag has pushed its clouds and precipitation north of its center, extending over the Korean Peninsula and southern Japan. The storm appears to be weakening due to this decoupling of deep convection from the center.
Hurricane Lorenzo, a very large tropical cyclone, is moving towards the northeast at 22 mph. The storm has grown in size, with hurricane-force winds extending up to 90 miles from its center.
Hurricane Lorenzo attained Category 5 strength briefly, becoming the strongest hurricane on record in the eastern-most Atlantic Ocean. The Suomi NPP satellite provided infrared data that showed changes in the storm's eye and powerful thunderstorms, and mesospheric gravity waves were also observed.
Tropical Storm Narda is expected to produce heavy rainfall along Mexico's west coast, with potential accumulations ranging from 1-6 inches. NASA's Aqua satellite captured images of the storm, revealing deep convection and cloud tops colder than minus 80 degrees Celsius.
Typhoon Mitag continues to produce strong thunderstorms around its cloud-filled eye, affecting Taiwan and forecasted to graze China's east coast. The storm is at peak intensity, moving northwards with maximum sustained winds near 75 knots.
Satellite images from NASA's Terra Satellite confirmed Hurricane Lorenzo as a major hurricane with a clear eye and solid structure of thunderstorms. The storm is moving north-northwest at 14 mph, with maximum sustained winds near 145 mph.
Tropical cyclones strengthen when cloud tops rise, indicating increased thunderstorm activity. NASA's Terra Satellite data indicates that Tropical Storm Karen is holding onto its tropical storm status due to rising cloud tops above 12,000 meters.