Scientists studied Tropical Storm Dorian's infrared image, revealing thunderstorms as cold as 195 Kelvin, indicating very high clouds. The storm maintained strong thunderstorms around its center before moving into warmer sea surface temperatures.
The Sunnyside Turnoff Fire in northern Oregon burned over 48,916 acres by July 26, 2013, with 40% containment. The fire was caused by human activity and affected the Warm Springs area, leading to evacuations and public closures.
The heaviest rainfall was observed at a rate of 1.2 inches per hour north of the storm's center, with most remaining rainfall being light to moderate. The storm is moving west-northwest towards Hawaii, prompting residents to monitor its approach.
Scientists have discovered a massive particle accelerator in the heart of the Van Allen radiation belts, accelerating particles to over 99% the speed of light. Local energy sources within the belts cause the acceleration, like a perfectly timed push on a moving swing.
The IRIS mission provides state-of-the-art observations of the interface region, revealing fine structures and energy transport mechanisms. The data will help scientists understand how the sun's lower atmosphere powers solar events and impacts Earth's climate.
The NASA/Goddard Space Flight Center captured a true-color image of the region's hotspots and smoke plumes on July 23, 2013. The image revealed large fires in the Northern Territory, with temperatures higher than background detected by thermal sensors.
The article highlights NASA's Hubble Space Telescope's incredible view of Comet ISON against a vast backdrop of galaxies and stars. The comet appears to be swimming through the cosmos despite its immense distance from Earth, showcasing the telescope's unparalleled resolution.
NASA's AIRS instrument captured an infrared image of newborn Tropical Storm Dorian on July 25, revealing strong storms and heavy rains near the center and a band of thunderstorms south of it. The storm is moving west-northwest across the Atlantic, with forecasters expecting fluctuations in intensity over the next couple of days.
Tropical Storm Flossie strengthened quickly on July 25, with powerful thunderstorms detected around its center and south of the center. Infrared data revealed cloud top temperatures near -63F/-52C, indicating very high thunderstorms.
Tropical Depression 4 (TD4) formed on July 24 in the Eastern Atlantic Ocean, with maximum sustained winds near 35 mph. The storm is moving west-northwest at 20 mph and has a minimum central pressure of 1008 millibars.
The Rancho Fire started on July 19, 2013, and has burned 722 acres of land. Containment efforts involve 337 resources, including 14 crews, 10 engines, and 2 helicopters.
A new study from NASA's Goddard Space Flight Center found that climate data can predict crop failures several months before harvest. The team developed a crop model incorporating temperature and precipitation forecasts, which accurately predicted crop yield or failure for about 20% of global cropland.
Forest fires are burning north and east of Russia's Irkutsk Oblast in southeastern Siberia, affecting recreational areas and the nearby town of Mirny, home to the world's largest diamond mine. The MODIS instrument detected heat from various wildfires using its infrared capabilities.
Land-clearing blazes in Indonesia are fueled by the palm-oil and pulpwood industries, releasing greenhouse gases that contribute to climate change. The fires can remain underground for hours before igniting again, making firefighting difficult.
NASA's Aqua satellite detected multiple forest fires in Idaho's western region, including the Lodgepole Fire, Ridge Fire, Thunder City fire, and Papoose Fire. The Papoose Fire is currently the largest at 6,504 acres, with containment expected on July 22, 2013.
A gigantic coronal hole has been observed by NASA's SOHO near the sun's north pole, providing valuable insights into space weather. The coronal hole is a dark region of the sun's corona with lower temperatures and appears much darker than its surroundings.
The Mountain Fire in California started on July 15 and has since spread to the San Jacinto Wilderness. As of July 18, the fire has burned over 22,800 acres with 15% containment.
Researchers used Hubble to analyze the motion of over 30,000 stars in 47 Tucanae, linking their orbital motion to age for the first time. The study found two distinct populations of stars, with ages differing by less than 100 million years.
The Neutral Gas and Ion Mass Spectrometer (NGIMS) instrument on the MAVEN spacecraft will collect data on charged gas particles in Mars' upper atmosphere, helping scientists understand how the planet lost its majority of atmosphere. The data will also be used to build models of the Martian atmosphere billions of years ago.
Tropical Storm Cimaron made landfall in southeastern China, with the strongest storms located east of the center. The storm's cloud top temperatures were near -63F/-52C, and its maximum sustained winds dropped to 35 knots (40 mph) on July 17.
The Mountain Fire in California is a raging wildfire that has destroyed residences and commercial buildings, with some homes saved by firefighters. The fire is being fought by 2241 personnel, including aircraft, engines, and hand-crews, in the San Jacinto Wilderness.
A NASA team has successfully grown uniform layers of carbon nanotubes using atomic layer deposition, enabling the growth of these forests on three-dimensional components like baffles and tubes. This innovation promises to make spacecraft instruments more sensitive without enlarging their size.
Tropical Storm Cimaron strengthened into a tropical storm on July 17, generating 14-foot-high waves in the South China Sea. The storm is forecast to make landfall in eastern China approximately 200 nautical miles northeast of Hong Kong.
A CME passed Earth on July 16, 2013, causing a geomagnetic storm that can degrade communication signals and cause electrical surges in power grids. The event was predicted by NASA research models and may also affect the Messenger and Juno spacecraft.
Tropical Depression 08W formed east of the Philippines and is moving northwest, expected to intensify into a tropical storm. The depression's strong thunderstorms have cloud top temperatures near 210 K (-81.6 F/-63.1 C), while sea surface temperatures support its development and intensification.
In July 2013, NASA's Aqua satellite captured images of numerous uncontained fires in the Yukon territory, with over 329,000 acres burned. The region has seen significant wildfires, with 133,166 hectares burned this year to date.
The new GOES-R series of satellites will offer enhanced imaging capabilities, providing full-disk images every five minutes. This increased resolution and frequency will enable more timely and accurate weather forecasting in the Western Hemisphere.
Scientists have observed magnetic reconnection at the heart of solar flares and coronal mass ejections, which can affect satellites near Earth. The high-quality data from NASA's SDO and RHESSI spacecraft reveals a complex process involving charged particles, magnetic field lines, and plasma.
Typhoon Soulik maintained its eye just before making landfall in southeastern China on July 13, and NASA's Terra satellite captured the eye in an image. The storm caused hundreds of deaths and missing due to heavy rainfall in southern China.
The newly discovered moon, S/2004 N 1, is estimated to be 12 miles across and is the smallest known moon orbiting Neptune. It was found using archival images taken by Hubble from 2004 to 2009 and noticed a white dot between the orbits of Neptunian moons Larissa and Proteus.
Typhoon Soulik's eyewall appears to have rebuilt as evidenced in NASA satellite imagery. The storm is expected to make landfall in southeastern China over the weekend of July 13 and 14.
Researchers find that debris disks can produce narrow rings on their own, without the presence of a planet. Gas and dust interactions lead to clumping and pattern formation, making it harder for astronomers to detect planets.
The National Hurricane Center reported that Chantal's remnants remained disorganized and development became less likely due to upper-level winds. NASA's GOES-13 satellite spotted the storm's remaining clouds and showers moving north in the Atlantic.
Typhoon Soulik's eye is filling with clouds, indicating a weakening storm, but satellite data shows the eyewall is reforming. The Joint Typhoon Warning Center reports that the storm is forecast to move near Japan and Taiwan before making landfall in China.
Tropical Storm Chantal weakened to a remnant low pressure area over Hispaniola on July 10, with NASA tracking its demise. The storm brought heavy rainfall and gusty winds to the region, and its remnants are expected to affect Jamaica, Cuba, and the Bahamas.
Researchers gathered extensive data using airborne and orbiting instruments to study the calving process of Pine Island Glacier. The analysis promises to improve understanding of how glaciers calve and shed light on future ice sheet changes.
The NASA Hubble Space Telescope has confirmed the presence of a true blue planet, HD 189733b, by detecting changes in light color as it passes behind its star. The observations indicate a deep blue color due to a hazy atmosphere with high clouds containing silicate particles.
The Quebec forest fires have caused significant disruptions, with over 10% of Quebecers losing electricity due to power line failures triggered by smoke from the fires. More than 280,000 hectares of forested area have been scorched, with three major forest fires being monitored.
A powerful coronal mass ejection (CME) from the sun has been directed towards Earth and Mercury, posing a risk to electronic systems and communication signals. The CME's magnetic fields can cause geomagnetic storms, potentially leading to aurora displays.
Tropical Storm Chantal is bringing powerful thunderstorms and heavy rainfall to the Caribbean Sea, with a storm surge of 1-3 feet expected in affected areas. The National Hurricane Center predicts tropical storm conditions will affect Windward Islands today and Puerto Rico tonight or early Wednesday.
Typhoon Soulik exhibits a tight concentration of powerful storms surrounding its center, with cloud top temperatures colder than -63F/-52C, indicating heavy rainfall.
Tropical Depression Erick has reduced in strength and size, with strong convection diminishing greatly since July 8. It is expected to gradually spin down and become a remnant low-pressure area later today due to moving over even cooler waters.
Tropical Storm Chantal is expected to bring significant rainfall to the Leeward and Windward islands with isolated totals reaching up to 6 inches. The storm developed from an unseasonally strong easterly wave that moved off the African coast on July 3.
Tropical Storm Erick brought heavy rain and strong winds to the Mexican coast, with NASA's TRMM satellite tracking its movement. The storm weakened over the next two days, but not before causing rough surf and ocean swells that posed a life-threatening risk to southern Baja California.
Tropical Storm Soulik has become more organized and is expected to intensify rapidly, potentially reaching typhoon strength by July 9. The storm's eastern quadrant covered the Marianas Islands in NASA's Aqua satellite images, showing a brilliant visible image of the storm's center near the northern islands.
GROVER successfully demonstrated autonomous operation in Greenland's harshest environment, collecting radar data and transmitting information in real-time. The robot's performance was affected by extreme polar conditions, but the results promise potential for future autonomous robotic platforms to support scientific research.
NASA's Aqua satellite captured multiple images of fire and smoke from Canadian wildfires on July 4, 2013, revealing hot spots that appear red in the image. The Moderate Resolution Imaging Spectroradiometer instrument detected plumes of smoke blowing across many provinces and out over the Atlantic Ocean.
Two tropical cyclones, Tropical Depression Dalila and Tropical Storm Erick, are affecting the Eastern Pacific Ocean, with Dalila weakening due to dry air and wind shear, while Erick is strengthening and poses a threat to Mexico's southwestern coast. Residents in the warning area can expect heavy rainfall and rough surf.
A series of forest fires near James Bay, Quebec have consumed over 617,000 acres of land, causing air quality problems for Canadians and Americans. The smoke has been pushed by winds to southern Ontario and the northeastern US state of Maine.
Dalila strengthened into a Category 1 hurricane after moving away from the Mexican coast, bringing life-threatening surf and rip current conditions. A new tropical low is developing to the southeast, while another storm system, System 97E, has a medium chance of forming over the next two days.