Hurricane Raymond strengthened into a hurricane again after moving into warmer waters with less wind shear, as captured by NASA's Aqua satellite. The storm then weakened due to increased wind shear, leading to its predicted dissipation in the next couple of days.
NASA's GOES-East satellite image captured the oval-shaped remnants of Tropical Storm Lorenzo east of a frontal system. The remnant low-pressure area is moving northeast at 10 mph and has a 20% chance to redevelop before being consumed by the approaching cold front.
Hurricane Raymond has weakened to a tropical storm, with rainfall totals of over 350mm along the Mexican coast and extreme amounts in open waters. The storm is expected to move into a more favorable environment, potentially reaching hurricane status again before weakening over cooler waters by October 31
Tropical Storm Francisco is transitioning to a cold-core low-pressure area due to cold air and mid-latitude westerly winds. The Joint Typhoon Warning Center predicts Francisco will continue this transition as it moves northeast over the next couple of days.
Typhoon Lekima's eye shrunk to just 4 nautical miles on Oct. 25, according to NASA data. Heavy rainfall was observed around the storm's eyewall, with rain rates reaching over 130mm/hour in the outer eyewall.
NASA's TRMM satellite tracked Tropical Storm Francisco and found a large rain-free area at its center. Rainfall rates exceeded 130mm per hour in Super-typhoon Lekima's outer eye wall, contrasting with the weakened Francisco.
Hurricane Raymond caused extreme rainfall amounts of over 560mm/~22 inches in open Pacific waters, with totals exceeding 125mm/~4.9 inches along Mexico's coast. The storm's copious rainfall also dropped abundant precipitation in areas already hit by deadly flooding and landslides.
Tropical Depression Lorenzo is experiencing weakening due to dry air and cooler sea surface temperatures. The system's lack of convection is preventing thunderstorm development, ultimately leading to its dissipation.
Super-typhoon Lekima is shifting its trajectory from northwesterly to northeasterly due to mid-latitude westerly winds and a trough. The storm is expected to weaken as it becomes extra-tropical, with cooler sea surface temperatures and increasing wind shear.
A mid-level solar flare, classified as an M9.4 event, was observed by NASA's Solar Dynamics Observatory (SDO) on October 23, 2013. This flare had a significant impact on Earth's atmosphere, causing disruptions to radio signals and potentially affecting GPS communications.
NASA's Terra satellite captured visible and infrared data on Lekima, revealing its 20 nautical mile-wide eye with intense thunderstorms. The storm's powerful winds were near 140 knots, extending 55 nautical miles from the center.
Typhoon Francisco was already impacting southern Japanese islands on Oct. 22 when NASA's TRMM satellite captured its intense rainfall and cloud heights. The storm was weakening with estimated winds of less than 75 knots, but heavy rain continued to fall at a rate of over 3 inches per hour.
Tropical Storm Raymond has started moving away from the coast of south-central Mexico, with a west-southwesterly direction indicated in microwave satellite imagery. Weakening storm expected to drop more rain on already drenched state of Guerrero.
Tropical Storm Lorenzo is facing wind shear and will move into cooler waters, sapping its strength. The NHC notes that despite wind shear, Lorenzo maintains deep convection with strongest thunderstorms in its eastern quadrant.
Typhoon Lekima's rainfall rates were found to be heavy, with rates over 2 inches per hour north and east of the center. The typhoon is forecast to continue on a northwesterly track before making a turn to the northeast as it reaches the island of Iwo To.
Heavy rainfall from Hurricane Raymond is causing widespread flooding along Mexico's Pacific Ocean coast, with precipitation rates reaching up to 153 mm/hour. The National Hurricane Center warns of hurricane-force winds, storm surges, and coastal flooding due to the storm's stationary motion.
Tropical Storm Lorenzo formed in the Atlantic Ocean on Oct. 21, strengthening into a tropical storm just six hours later. NASA's Aqua satellite captured images of the depression before it became a storm, while NOAA's GOES satellite showed its progression and expected weakening trend.
Typhoon Francisco is a large storm with a tightly wound center and small eye, approaching Japan with maximum sustained winds near 75 knots. The storm is expected to turn northeast in the next day or two and slowly weaken after passing southern Japan.
A NASA sounding rocket launch will support calibration of the EUV Variability Experiment (EVE) aboard the Solar Dynamics Observatory (SDO) satellite. The EVE instrument measures total extreme ultraviolet irradiance, and this under-flight calibration is crucial for validating long-term variations in solar radiation.
Typhoon Francisco is expected to make a brief landfall near Tokyo as it moves towards Japan. NASA satellites captured detailed data on the storm's structure and rainfall patterns, revealing extreme precipitation rates of over 207 mm per hour in violent storms southwest of its eye.
The 13th Atlantic tropical depression formed on Oct. 21 near Bermuda, with maximum sustained winds of 35 mph/55 kph. The NOAA GOES-East satellite captured its development in a 29-second animation, showing strengthening thunderstorms and convection.
Tropical Storm Lekima developed and strengthened into a tropical storm in the Northwestern Pacific Ocean. It is forecasted to reach typhoon strength by October 24 and approach Iwo To island on the same day.
Hurricane Raymond, a Category 3 hurricane, is bringing heavy rains and gusty winds to western Mexico. The storm's center is located near latitude 16.2 north and longitude 102.3 west, about 165 miles south-southwest of Acapulco.
A major coal seam fire in China's Shuangyashan prefecture-level city has been detected by NASA's Terra satellite, highlighting the issue of underground coal fires that can cause severe air pollution and global warming.
Typhoon Francisco passed west of Guam on October 18 as NASA's TRMM satellite measured its heavy rainfall, with rain falling at over 113 mm/hour in powerful storms. The storm is forecast to become a super-typhoon, reaching maximum sustained winds of at least 130 knots/150 mph.
Typhoon Wipha's effects were felt in Alaska from October 18 to 20, bringing heavy rainfall and strong winds. The system's transition into an extra-tropical storm led to increased moisture and warming of the region.
Punjab farmers set fire to clear fields before planting crops, clearing pests and turning crop residues into fertilizing ash, but also releasing harmful smoke that can aggravate heart and lung disease, especially for older adults and children.
Typhoon Francisco is turning northwest, posing a threat to Guam with sustained tropical storm force winds expected, causing minor damage to poorly constructed homes and isolated power outages. The storm has maximum sustained winds near 85 knots and is located southwest of Guam.
Tropical Storm Octave made landfall in western Mexico on October 13, bringing strong winds and heavy rainfall to the region. The storm's remnants caused significant flooding and damage, particularly in the state of Sonora.
Tropical Storm Priscilla formed and rapidly weakened over 3 days in the eastern Pacific, skipping the depression phase. Its maximum sustained winds dropped to 35 mph/55 kph within a day of formation, marking one of the shortest-lived tropical storms of the season.
Cassini's Composite Infrared Spectrometer (CIRS) detects propylene, a chemical used in food-storage containers and car bumpers, on Titan's lower atmosphere. The detection fills a mysterious gap in Titan observations dating back to NASA's Voyager 1 spacecraft.
Tropical Depression 22W is taking a different route than Tropical Depression 21W and heading northwest towards Koror, Palau. Favorable environmental conditions will allow the depression to strengthen into a typhoon over the next two days.
The TRMM satellite observed a 'hot tower' near the center of Tropical Depression 11, indicating it would strengthen into Tropical Storm Jerry. The storm later strengthened with maximum sustained winds near 40 mph.
Typhoon Wutip made landfall near Dong Hoi, Vietnam, with a 10-mile-wide eye, prompting evacuations of over 140,000 people. The storm's heavy rains are expected to cause flooding and landslides in Vietnam's central highlands.
NASA's Aqua satellite captured infrared data on Tropical Depression Sepat, revealing some strong thunderstorms and cold cloud tops near the center of circulation. The storm is expected to track over a pool of cooler waters, hindering its development, and may briefly strengthen into a tropical storm before weakening again.
The Sunrise mission revealed complex patterns in the chromosphere, including dark regions and bright points thought to be magnetic flux tubes. The ultraviolet radiation from the chromosphere is highly suitable for visualizing detailed structures and processes.
The Curiosity rover's Sample Analysis at Mars (SAM) instrument suite found 2% water in Martian surface soil, indicating a significant resource for the planet. The analysis also revealed perchlorate and chlorate compounds, suggesting they could be distributed globally.
Tropical Storm Pabuk is transitioning from a warm core tropical system to a cold core low pressure system, as observed by NASA's Aqua satellite on Sept. 26, 2013.
The HIRAD instrument aboard NASA Global Hawk 871 detected an area of heavy rains and likely strong winds in Hurricane Ingrid. The storm made landfall in northeastern Mexico on Monday, September 16, with maximum sustained winds near 75 mph.
Scientists tracked energy from the sun to Earth's magnetosphere using eight NASA spacecraft, including ARTEMIS and THEMIS. The research provides insights into substorms and their impact on space weather, with energy flows lasting up to half an hour and covering areas 10 times larger than Earth.
Astronomers have discovered a millisecond pulsar with a unique dual identity, shifting between X-ray and radio emission in a phenomenon never before observed. The discovery represents a long-sought intermediate phase in the life of these powerful objects, offering a rare opportunity to study a pulsar's magnetic field in action.
Typhoon Pabuk's eye shrunk to 25 nautical miles in diameter after high clouds covered the center, reducing visibility on NASA satellite imagery. The storm is expected to remain at sea and transition into an extra-tropical storm by Sept. 27.
The Lunar Reconnaissance Orbiter Camera (LROC) has updated the coordinates of historic robotic spacecraft on the Moon, providing valuable information for planning future lunar missions. These updates will aid in the creation of an accurate lunar cartographic network, essential for human and robotic exploration.
Typhoon Usagi maintained its inner-core structure with a ~50 km eye wall before landfall on Sept. 22, 2013. Radar data showed updrafts fell short of forming lightning in the inner core.
Researchers using Van Allen Probes discovered ultra-fast particles driving a previously unknown configuration of three bands in the Earth's radiation belts. Computer simulations show that one common acceleration method doesn't apply to these particles.
Typhoon Pabuk has an unusually large eye covering about 30 nautical miles, three times larger than a previous typhoon in China. The Joint Typhoon Warning Center forecasts Pabuk to track parallel to Japan's coast while gaining frontal characteristics.
Typhoon Pabuk strengthened as it moved north through the northwestern Pacific Ocean, with NASA's Aqua satellite capturing an infrared image that showed powerful thunderstorms east of its center. The storm was expected to turn northeast and bring rain and gusty winds to eastern Japan.
Typhoon Usagi made landfall in Guangdong Province on September 22 with maximum sustained winds near 110 mph, displacing over 310,000 residents and causing widespread destruction. Heavy rainfall rates reached up to 6.7 inches per hour along China's coast.
The Rim Fire has made significant progress in containment, currently standing at 84%. Officials estimate full containment will be achieved on October 1, 2013. The fire has burned approximately 402 square miles and destroyed numerous structures, with total damages estimated at $122 million.
Supertyphoon Usagi's rapid intensification by 65 knots in just 24 hours is more than twice the threshold for defining such an event. The storm's well-organized structure and efficient heat engine contribute to its extreme behavior.