Tropical Depression 15E is being affected by vertical wind shear, appearing nearly shapeless in NASA satellite imagery. The depression's movement towards the west is expected to continue over the next couple of days.
Researchers found a lower density in Mars' crust, indicating possible porosity, which could impact the planet's formation and evolution. The new gravity map reveals variations in crust thickness beneath volcanoes.
Tropical Depression 21W developed just west of the Philippines, with strong thunderstorms detected around its center and eastern Philippines. Cloud top temperatures as cold as minus 63 degrees Fahrenheit indicate potential for heavy rainfall.
Scientists analyzed cloud top temperatures using NASA's Aqua satellite, finding areas as cold as minus 63 degrees Fahrenheit, indicating potential for heavy rainfall. The system is moving westward at 15 mph and may strengthen into a tropical storm by Wednesday.
Irma dropped extremely heavy rain, up to 20 inches, across Cuba and Florida, causing severe flooding. The post-tropical cyclone weakened over Georgia, but its remnants produced additional 1-3 inch rain accumulations across the southeastern US.
Typhoon Talim's satellite imagery revealed a large tail-like structure extending from its center to the southeast. The storm was moving west-northwest with maximum sustained winds near 65 knots, intensification expected as it approaches Taiwan.
Hurricane Jose is experiencing vertical wind shear, weakening its circulation and causing asymmetry in its clouds. The strongest rainfall is occurring southeast of the center, with rates near 50 mm per hour.
The James Webb Space Telescope relies on a complex shroud system to maintain extremely low temperatures, minimizing unwanted infrared light that could compromise optical testing. The system consists of two nested shrouds: liquid nitrogen and cold gaseous helium, which work together to cool the telescope.
NASA's Suomi NPP satellite captured a nighttime infrared image of Hurricane Irma on Sept. 11, showing the storm's large extent over Florida, Georgia, Alabama, and the Carolinas. The storm has weakened to a tropical storm but can still cause significant impacts, with maximum sustained winds near 65 mph.
A significant solar flare occurred on September 10, 2017, peaking at 12:06 p.m. EDT, causing disturbances in the atmosphere where GPS and communications signals travel. The X8.2-class flare is part of a series of flares from Active Region 2673, which was identified on August 29.
Tropical Storm Talim formed on Sept. 8 and strengthened into a tropical storm by Sept. 9, moving west-northwest at 10 knots. The Joint Typhoon Warning Center predicts it will make landfall in Taiwan on Sept. 13.
NASA analyzed Hurricane Jose's cloud-filled eye using satellite imagery, revealing strong thunderstorms around the center and bands northeast and southeast of the storm. The satellite data showed that the eye feature persists despite being obscured in conventional imagery.
NASA satellite images reveal Hurricane Irma's structure and strengthening as it approaches southern Florida. The storm re-strengthened from a Category 3 to a Category 4 hurricane after passing over warm waters in the Caribbean. The National Hurricane Center reports maximum sustained winds of 130 mph, with higher gusts.
Hurricane Jose's eye is visible in satellite images over the Leeward Islands, with maximum sustained winds near 130 mph. The storm is expected to make a turn toward the north, gradually weakening over the next couple of days.
Hurricane Katia made landfall in Mexico as a Category 1 hurricane with maximum sustained winds near 75 mph. The remnants of the storm were quickly dissipating over eastern Mexico, with some areas still experiencing heavy rainfall.
NASA's Aqua satellite captured images of Hurricane Irma's eye along Cuba's northern coast, revealing coldest temperatures surrounding the storm. The hurricane is expected to strengthen once it moves away from Cuba and then re-strengthen again as it approaches Florida, bringing powerful winds and heavy rainfall.
NASA's Terra satellite passed over Hurricane Jose, capturing a visible-light image of its well-defined eye. The eye has become slightly more asymmetric, with northeastward elongation of the cirrus canopy indicating increasing southwesterly shear.
Hurricane Katia is moving toward the west-southwest near 3 mph (6 km/h) and is expected to make landfall on Saturday, Sept. 9, bringing powerful bands of thunderstorms and heavy rainfall. The storm's eye is becoming more distinct, with a Hurricane Warning in effect for parts of Mexico.
NASA's Aqua satellite captures clear view of Hurricane Jose's eye as it strengthens into a Category 4 hurricane. Powerful storms surround the center, capable of heavy rainfall and powerful winds of up to 150 mph.
Hurricane Irma's eye was characterized by extremely cold cloud top temperatures, indicating potential for heavy rainfall. NASA-NOAA's satellites captured detailed images of the storm's structure, including its well-defined eye and strong thunderstorms.
NASA's GPM satellite detected strengthening in Tropical Storm Jose, indicating towering thunderstorms and heavy rain rates of over 5.3 inches per hour. The storm intensified into a hurricane on September 6, 2017, with maximum sustained winds near 90 mph.
Satellite imagery from NASA's Aqua satellite revealed a clear eye with powerful bands of thunderstorms circling the eye. Cloud top temperatures as cold as minus 83.1 degrees Celsius indicated the most powerful storms in Irma, stretching high into the troposphere.
Hurricane Katia strengthened into a hurricane on Sept. 6, with powerful bands of thunderstorms around its center, and is forecast to produce heavy rainfall and potentially major hurricane strength at landfall.
The sun emitted two mid-level solar flares on Sept. 7, 2017, peaking at M7.3 and X1.3, respectively. These flares are part of the fourth and fifth sizable events from the same active region since Sept. 4.
Tropical Storm Katia is developing near Mexico's east coast with maximum sustained winds of 45 mph and forecasted to produce 5-10 inches of rain over northern Veracruz. Strengthening is expected, potentially making it a hurricane before approaching the coast.
Two significant solar flares were captured by NASA's Solar Dynamics Observatory on September 6, 2017, with the largest flare peaking at an X9.3 classification. This event had a significant impact on Earth's atmosphere and GPS signals.
A NASA-NOAA satellite captured a unique image of Hurricane Irma's eye over the island of Barbuda in the eastern Caribbean Sea. The storm's powerful thunderstorms and visible tropospheric gravity waves were evident in the image.
The GPM core observatory satellite passed over Irma on September 5, 2017, revealing intense rainfall within the storm's eyewall. The satellite's radar data showed extremely powerful storms reaching altitudes of over 10 miles, with precipitation rates exceeding 10.8 inches per hour.
NASA satellite imagery shows Tropical Storm Jose consolidating and organizing over the Atlantic Ocean. The storm is expected to strengthen and become a hurricane later in the day on Sept. 6.
A mid-level solar flare was captured by NASA's Solar Dynamics Observatory on September 4, 2017. The M5.5 class flare may cause disturbances in the atmosphere where GPS and communications signals travel.
Tropical Depression 19W is developing just north of Luzon, Philippines, with strong thunderstorms and cloud top temperatures as cold as minus 63 degrees Fahrenheit. The Joint Typhoon Warning Center predicts the depression will continue to track northwest into the South China Sea over the next couple of days.
NASA analyzed Tropical Storm Jose using Aqua satellite data, detecting strong thunderstorms with cold cloud top temperatures indicating potential for heavy rainfall. The storm is forecast to strengthen and become a hurricane by Friday.
Lidia, a tropical cyclone, weakened and degenerated into a remnant low-pressure area on Sept. 2. The National Hurricane Center issued its final advisory at 5 a.m. EDT, noting the storm had lost deep convection and was expected to dissipate by Monday night.
Astronomers have identified a millisecond pulsar spinning at more than 42,000 revolutions per minute using the Netherlands-based Low Frequency Array (LOFAR) radio telescope. The discovery provides insights into the potential for finding ultra-fast pulsars and raises questions about the fastest-spinning pulsars in the universe.
Hurricane Irma has strengthened to a Category 5 hurricane with maximum sustained winds near 175 mph, posing an extremely dangerous threat to the northern Leeward Islands. NASA and NOAA satellites have been providing critical imagery and data to forecasters, indicating significant fluctuations in intensity over the next few days.
The Suomi NPP Satellite provided a night-time image of Hurricane Irma, revealing powerful thunderstorms with cloud top temperatures as cold as 190 kelvin. The Global Precipitation Measurement (GPM) mission confirmed heavy rainfall within the hurricane, with a convective storm dropping rain at a rate of almost 6.3 inches per hour.
Post-Tropical Cyclone Harvey is spreading into the Ohio Valley, bringing heavy rain and flash flooding to parts of Texas, Louisiana, Kentucky, and Indiana. The system's minimum central pressure is 1002 millibars, and it is expected to weaken by Saturday, Sept. 2.
Hurricane Lidia made landfall on the Baja California peninsula, bringing soaking rains and threatening life-threatening flash floods. The storm's strongest storms surrounded its center, with coldest cloud top temperatures exceeding minus 81 degrees Fahrenheit.
Tropical Depression Mawar is getting better organized with cloud top temperatures reaching -63 degrees Fahrenheit, indicating stronger storms. The depression is expected to intensify and make landfall near Hong Kong on September 3.
Typhoon Sanvu intensified into a powerful storm with cloud top temperatures as low as minus 63 degrees Fahrenheit, indicating strong storm potential. NASA predicts the typhoon will continue to strengthen and become extra-tropical near the Kuril Islands before reaching Russia's coast.
Tropical Storm Irma is steadily strengthening and nearing hurricane strength, with maximum sustained winds reaching near 70 mph and a central pressure of 997 millibars. Satellite imagery shows the storm becoming better organized with a developing central dense overcast.
Typhoon Sanvu developed a massive eye, approximately 28 nautical miles wide, as observed by NASA-NOAA's Suomi NPP satellite. The storm strengthened to maximum sustained winds near 86 mph, forecast to reach 103 mph before weakening.
Tropical Storm Lidia is producing heavy rain and life-threatening flash floods in Mexico. Infrared data shows two areas of strong thunderstorms with extremely cold cloud tops, indicating potential for intense rainfall.
A large system is producing torrential rains over southwestern Mexico, prompting warnings and watches. The NASA Aqua satellite detected Potential Tropical Cyclone 14E, which is expected to strengthen into a tropical storm by tonight.
Tropical Storm Sanvu is strengthening with cloud top temperatures reaching minus 63 degrees Fahrenheit, indicating high potential for heavy rain and strong winds. The storm's center is located near 27.1 degrees north latitude and 142.9 degrees east longitude, moving west-northwest at 16 knots.
Hurricane Harvey's rainfall caused widespread saturation in southeastern Texas, which already showed signs of moisture levels near 20-40% before the storm made landfall. NASA's data also revealed exceptionally wet conditions in southwest Houston after Harvey's arrival, exacerbating the flooding issue.
The Global Precipitation Measurement mission detected heavy rain and strong convective storms in the area where Tropical Storm Irma was forming. The storm is expected to strengthen over the next 48 hours, potentially becoming a hurricane on Friday, September 1st.
NASA used infrared data to analyze temperature information and locate the strongest storms in Hurricane Harvey. The analysis revealed that the highest cloud tops indicate the coldest temperatures, pinpointing areas of intense storm activity.
Tropical Storm Sanvu has strengthened with cloud top temperatures as low as -63 degrees Fahrenheit, indicating potential for heavy rain. The storm is expected to intensify into a typhoon by August 31 before weakening again.
A Potential Tropical Cyclone 10 is expected to bring heavy rains and tropical-storm-force winds to the North Carolina coast, particularly in areas such as Wilmington. The system's track will take it along the Mid-Atlantic region before moving out to sea, with a high chance of it becoming extratropical by Aug. 30.