A tropical low-pressure area is consolidating into a depression in the Southern Indian Ocean, with powerful convective storms dropping rain at a rate of over 3.7 inches per hour near Madagascar's eastern coast. The system's winds are expected to continue developing over the next 24 hours, posing a threat to the region.
The James Webb Space Telescope will study planets, moons, comets and asteroids in our solar system to understand its formation and potential habitability. Scientists envision monitoring the water cycle on Mars, studying weather patterns on Saturn's moon Titan, and tracking comets to better comprehend our solar system's evolution.
GPM's radar measured heavy rainfall in the Atlantic Ocean east of the Virginia coast, with rates exceeding 25 mm per hour. The low-pressure area also packed strong winds, generating gusts up to 65 mph, particularly across southeastern New England.
The NASA GPM satellite examined violent thunderstorms in the southern US on February 2-3, with one powerful storm in North Carolina dropping rain at an extreme rate of 112.96 mm (4.4 inches) per hour. The satellite's radar instruments measured precipitation within the area and created a 3D cross-section through the storms.
A NASA team has successfully demonstrated the handling and loading of a new Swedish-developed green propellant that is more powerful than traditional hydrazine. The demonstration marks an important step towards replacing hazardous materials with safer alternatives in space travel.
NASA analyzed satellite data measuring heavy precipitation in southern Florida, California, and across the Great Plains from late January to early February. The IMERG mission estimated over 200mm of precipitation in some areas, with powerful winds bringing down trees and power lines.
The final primary mirror segment was installed on the telescope structure using a robotic arm, completing a decade-long design and manufacturing process. Once deployed, the 18 segments will form a single large 21.3-foot diameter mirror to study planetary atmospheres, star-forming regions, and the universe's beginnings.
ICESat-2 will employ a novel technique to determine ice sheet topography and sea ice thickness, leveraging a 3D-printed PEKK bracket that offers electrostatic dissipation and minimal outgassing. The satellite's Advanced Topographic Laser Altimeter System (ATLAS) will utilize photon counting for precise surface elevation measurements.
The Heliophysics CubeSat will measure incoming radiation that can affect Earth's radio communications, satellite electronics, and power grids. The satellite will provide unprecedented insight into the sun's impact on our planet.
Tropical Cyclone Stan weakened to a remnant low pressure area after landfall in Western Australia on January 30, 2016. The system dropped significant rainfall, with 77.8 mm recorded at Menzies and 40.4mm at Red Rocks Point.
Tropical Cyclone Stan is intensifying off Western Australia's coast, expected to make landfall on Saturday afternoon. The system will track steadily south-southeast and reach category 3 status before crossing the coast.
NASA engineers have developed a groundbreaking integrated-photonics modem that will enable high-speed, laser-based communications at unprecedented rates. The modem is expected to transform industries such as telecommunications, medical imaging, advanced manufacturing, and national defense.
Scientists use real-time observations and computer simulations to analyze the solar corona's dynamic system. The sun's magnetic field drives space weather on Earth and affects interplanetary radiation. Understanding its structure is crucial for studying space throughout the solar system.
A developing tropical low pressure area, System 92S, is expected to become a depression in the next day or two off Australia's northwestern coast. NASA's GPM satellite gathered data indicating rain falling at rates of up to 96.7 mm/h and storm tops reaching altitudes of over 16 km.
The oil refinery fires in Libya have grown significantly since their initial outbreak in January, now covering a large area near Sidra on the coast. NASA has captured images of the burning areas using MODIS's thermal bands, which have been detected in red on the initial image taken on January 07, 2016
The Smith Cloud, a massive cloud of hydrogen gas, is plummeting towards the Milky Way at nearly 700,000 miles per hour. Astronomers believe it will ignite a spectacular burst of star formation upon impact, potentially providing enough gas to create 2 million suns.
The James Webb Space Telescope's 18 primary flight mirror segments are being installed using a high-precision robotic arm, requiring fraction-of-a-millimeter accuracy. The team uses lasers to measure distance and a coordinate system to place each segment, achieving precision better than the thickness of a piece of paper.
The Global Precipitation Measurement (GPM) satellite observed Tropical Cyclone Corentin, which was weakening due to high vertical wind shear. Rainfall data showed moderate to heavy rainfall in bands southeast of the exposed center of low-level circulation.
RapidScat satellite revealed sustained winds of 45 meters per second along the coast of southern New Jersey, causing flooding. The Moderate Resolution Imaging Spectroradiometer (MODIS) instrument on NASA's Aqua satellite captured a visible-light image showing a blanket of snow stretching from Massachusetts to Missouri.
A major winter storm has departed the Eastern Seaboard, bringing record-breaking snowfall to the Mid-Atlantic region. The storm set multiple snowfall records in states such as Maryland, Virginia, and Pennsylvania, with some areas receiving up to 3.5 feet of snow.
NASA satellite imagery captured a massive low-pressure system affecting the U.S. East Coast, causing heavy snow and blizzard conditions in areas like Baltimore/Washington and New England. The storm intensified over the Delmarva Peninsula before moving northeast off the coast of the Carolinas.
A powerful winter storm is expected to bring heavy snowfall and blizzard conditions to the Mid-Atlantic region. Snowfall totals may exceed 2 feet in some areas, including Baltimore and Washington D.C., with gusty winds and storm surge flooding also possible.
A historic blizzard is forecast for Washington, D.C., while states from Texas to Florida experience severe weather due to a developing winter storm. Severe weather, including hail and at least one reported tornado, has been observed along the Gulf Coast.
Tropical Cyclone Victor has weakened to a tropical storm due to increased vertical wind shear and cooler sea surface temperatures. The Joint Typhoon Warning Center predicts the cyclone will continue to weaken over the next two days and dissipate.
Corentin reached hurricane strength on January 22, 2016, with maximum sustained winds of 75 mph. The storm was centered near 20.2 degrees south latitude and 71.6 degrees east longitude, about 758 miles from Diego Garcia.
Cloud top temperatures are warming in Tropical Cyclone Victor, suggesting weakening convection and loss of uplift. Forecasters expect the storm to dissipate by January 24 as it moves southward.
Tropical Cyclone Corentin developed with intense showers dropping rain at rates of over 71 mm/hour in strong storms. NASA's GPM mission provided a 3D view of the storm, revealing heights of 13 km (8 miles) in its feeder band.
Tropical Cyclone Victor was found to have its strongest winds south of its center at 34 meters per second, with maximum sustained winds near 65 knots. The storm maintained hurricane-strength and an eye, with powerful bands of thunderstorms around the center.
Tropical Cyclone Victor's eye was almost due east of the Cook Islands on Jan. 18, and by Jan. 19, it had moved southeast, appearing more open with a wider diameter
The GRIPS balloon mission observes extremely high-energy radiation released by solar flares, pinpointing precise times and locations of gamma ray emission. The team's instrument sees this emission three times more sharply than any previous instrument.
The study finds that the shape of the radiation belts varies depending on electron energy levels, resulting in different structures during geomagnetic storms. The new data from the Van Allen Probes satellites provide a more detailed understanding of the dynamics, enabling scientists to create a more precise model.
Extra-Tropical Alex became a high-pressure system near Greenland in the North Atlantic Ocean on January 15, 2016. The storm's maximum sustained winds had dropped to 35 knots (40 mph/62 kph) but it was still speeding northward at 35 knots per hour.
Tropical Storm Alex formed in January 2016, becoming the earliest hurricane to do so since 1938. NASA analyzed storm data using AIRS, RapidScat, GPM, and Suomi NPP satellites, revealing strongest winds at 30 meters per second and rainfall rates decreasing significantly after declaration as a hurricane.
NASA/NOAA's GOES-West satellite captured images of Tropical Cyclone Victor in the South Pacific Ocean, revealing a thick band of thunderstorms and a developing eye. The cyclone had maximum sustained winds near 40 knots (46 mph) and was moving west-southwest at 7 knots.
The remnants of former Hurricane Pali have dissipated and elongated due to strong vertical wind shear, losing its closed center. It is no longer possible to definitively locate a closed center in the system.
Tropical Depression Pali has weakened to a depression with maximum sustained winds near 35 mph, moving southwest towards Hawaii and expected to dissipate on January 15. The storm's proximity to the equator and south-southwesterly vertical shear are contributing factors to its demise.
NASA's RapidScat instrument and Aqua satellite captured data on the storm, which formed from a low-pressure area. It became the first hurricane to form in January since 1938 and is expected to maintain hurricane status until January 16.
Tropical Cyclone Ula transformed into an Extra-Tropical Storm after being tracked by NASA's RapidScat instrument and NOAA's GOES-West satellite. The storm's strongest winds were detected east to south of the center, while increasing vertical wind shear weakened the system.
The National Hurricane Center has been monitoring System 90L, a low-pressure center producing winds of over 52 knots (60 mph) and heavy rainfall rates up to 94 mm/h. The system's strongest winds were observed southwest and southeast of the low pressure center.
NASA analyzed data from GPM core observatory and Suomi NPP satellite, discovering the hurricane had an eye forming with heavy rain falling at 84.5 mm per hour on its eastern side. The storm's convective storms reached heights of over 12 km, while its strongest feeder band wrapped around its eastern side.
Tropical Cyclone Ula reached category four status with winds of 115 knots, but weakened to 50 knots by Jan. 12. NASA's GPM measured heavy rain falling at over 63.5 mm/h near the storm's eye.
NASA's Aqua satellite shows strongest storms within a consolidated system, while NOAA's GOES-East satellite imagery reveals increased cloudiness and thunderstorms near the center. The National Hurricane Center predicts a medium chance of development into a depression over the next five days.
Hurricane Pali is a record-breaking storm that strengthened rapidly after being spotted by NASA's Terra satellite. The storm made landfall as the earliest hurricane on record in the central Pacific basin, with maximum sustained winds of 90 mph and a minimum central pressure of 979 millibars.
Tropical Cyclone Ula has weakened from a Category 4 Hurricane to a Category 2 hurricane due to unfavorable environmental conditions. The storm is expected to make its closest approach to Kingston Island and then move north of New Zealand by January 12.
A non-tropical low pressure system with potential subtropical characteristics has developed in the Northern Atlantic, producing hurricane-force winds and gale-force conditions. The system is expected to produce hazardous marine conditions over parts of the central and eastern Atlantic for several days.
Tropical Storm Pali continues to thrive in the Central Pacific Ocean, with maximum sustained winds near 60 mph. It is expected to maintain tropical storm strength until Saturday, Jan. 16, moving toward the Equator.
Tropical Storm Ula strengthened over the night of Jan. 6-7, with sustained winds reaching up to 63.2 mph around its center. The Joint Typhoon Warning Center expects the system to curve south, affecting New Caledonia and northern New Zealand.
NASA estimated rainfall over a 7-day period while analyzing satellite data from the Eastern Pacific Ocean, revealing extreme rain events affecting southern California. The analysis showed highest rainfall totals of over 4.5 inches in the eastern Pacific and 4 inches near Lake Tahoe.
Tropical Storm Pali strengthened into a tropical storm with surface winds of 30 meters per second (67.1 mph/108 kph) in the southwestern quadrant, according to NASA's data gathered by the RapidScat instrument and Terra satellite.
The NOAA GOES-S, T, and U satellites are nearing completion with six new instruments that will offer advanced imaging capabilities for more accurate weather forecasts. The instruments include the Advanced Baseline Imager (ABI), Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS), Geostationary Lightning Mapper (GLM) and others.