Tropical Storm Hernan developed over the weekend and reached hurricane strength before being weakened by wind shear. NASA tracked its movement, noting it was forecasted to weaken into a shallow post-tropical cyclone in 48 hours
The seventh tropical depression of the Eastern Pacific Ocean formed on July 25, with maximum sustained winds near 40 mph. The storm is expected to continue moving westward, with NHC forecasting no strengthening due to increased wind shear.
A swath of smoke from Canadian fires drifted across the Great Lakes region of the U.S., with visible paths taken by the smoke as it moved southeastward. The smoke originated in Manitoba and parts of Ontario before crossing the lakes.
Typhoon Matmo brought heavy rainfall to eastern Taiwan, with TMPA analysis showing totals greater than 400 mm. The storm also contributed to a deadly airplane crash in the Penghu Islands.
Satellite images from NASA's MODIS instrument reveal the extent of wildfires in Eastern Russia, showcasing burn scars as reddish-brown splotches amidst green landscapes. The fires have ravaged remote areas of the Sakha Republic, with smoke and flames visible even in false-color images.
Hundreds of wildfires covered central Africa in mid-July 2014, with multiple hotspots detected across the region. Strong winds exacerbated smoke from the fires, particularly in the Democratic Republic of Congo.
Astronomers using NASA's Hubble Space Telescope found three 'hot Jupiters' with significantly lower than expected water vapor levels, challenging current theories on planet formation and migration. The discovery may require instruments to be designed with higher sensitivity for future space telescopes searching for water in potentially...
Typhoon Matmo made its final landfall in mainland China on July 23, bringing category one winds of 74 knots. The typhoon's center moved inland over southeastern China, with rapid weakening expected due to friction and an approaching trough.
Heavy smoke from forest fires in the Northern Territories has triggered a high health risk warning for Yellowknife and surrounding areas. The smoke contains harmful particles and chemicals, posing risks to vulnerable populations such as those with cardiovascular or respiratory conditions.
The Advanced Technology Large-Aperture Space Telescope (ATLAST) mission aims to study dark energy, the mysterious form of energy that accelerates the universe's expansion. ATLAST would also detect signatures of life in the atmospheres of Earth-like planets and resolve stars in distant galaxies.
The Hurricane Imaging Radiometer (HIRAD) will fly aboard a NASA Global Hawk aircraft during the HS3 mission, providing unique observations of sea surface wind speed, temperature, and rain. HIRAD's data will advance understanding and predictability of hurricane intensity, helping to determine maximum wind speed and structure of the vortex.
A NASA satellite captured images of Tropical Depression 2, which had weakened and degenerated into a tropical wave. The depression's remnants are expected to move through the Lesser Antilles, bringing gusty winds and showers.
The Carlton Complex fires burned over 243,000 acres in timber and grass, with 35 primary residences lost. The high fire danger led to rapid changes in the fire situation, prompting evacuations of 300-500 homes, including the Pateros Red Cross shelter.
The TRMM satellite measured Super Typhoon Rammasun's rainfall rates of up to 100 mm/h along the China/Vietnam border. The storm's heavy rain bands wrapped around its cyclonic circulation, indicating a powerful storm that made landfall on the southern coast of China.
The NASA Aqua satellite detected a low-pressure area that became Tropical Depression 2, with cloud top temperatures exceeding -63F/-52C indicative of strong thunderstorms and powerful uplift.
Astronomers have observed a unique transformation of a binary system containing a rapidly spinning neutron star. The system, known as AY Sextantis, underwent a dramatic change in behavior, with the pulsar's radio beacon vanishing and its gamma-ray emission increasing fivefold.
NASA's Aqua satellite provided dual views of Typhoon Matmo, capturing its visible clouds and infrared temperatures. The storm made landfall on Taiwan's east coast, generating rough seas and typhoon-force winds.
A significant increase in forest and land fires was detected in Riau province, with 154 hotspots reported on July 20, 2014. The smoke from these fires poses a risk to air quality, potentially spreading to neighboring countries like Malaysia and Singapore.
Severe forest fires are burning across the region, with 160 wildfires currently active, and a total of 855,000 hectares burned so far this year. The area burned has grown eight-fold compared to the 10-year average, posing high fire danger in the region.
A NASA satellite captured a visible image of Typhoon Matmo's western quadrant sweeping over the eastern Philippines on July 20. The storm is intensifying, with maximum sustained winds near 70 knots and expected to peak at 105 knots by July 23.
NASA-NOAA's Suomi NPP satellite captures infrared image of Typhoon Rammasun before landfall, showing powerful thunderstorms with heavy rain potential. The storm brings maximum sustained winds of near 100 knots (115.1 mph) to the south China/Vietnam border.
A moisture stream from the remnants of Tropical Storm Wali caused early morning flash flood watches on July 19 and 21 for all Hawaiian Islands. Heavy rainfall generated by thunderstorms in the eastern half of the island resulted in a flood advisory, posing a threat to residents and visitors.
Tropical Storm Wali formed in Central Pacific Ocean as NASA's Terra satellite passed overhead, with maximum sustained winds initially at 35 mph. The storm is expected to maintain tropical storm status until Saturday before weakening to a depression.
NASA's Aqua satellite captured infrared data showing strong thunderstorms around Tropical Storm Matmo's center and southwestern quadrant. The storm's maximum sustained winds were near 40 knots on July 18, with forecasters predicting it will reach typhoon intensity by July 20.
Typhoon Rammasun brought heavy rainfall to the Philippines and central China, causing flooding. The storm made landfall on Hainan Island, China, with maximum sustained winds of 155 mph.
Tropical Depression 10W was born when NASA's Aqua satellite passed overhead, with powerful thunderstorms developing around its center. The depression is expected to strengthen due to favorable sea surface temperatures and improved upper-level conditions.
Typhoon Rammasun brought heavy rainfall over the Philippines, with total rainfall estimates exceeding 325 mm, according to NASA's TRMM satellite analysis. The storm made its way towards Hainan Island, China, with forecasters predicting landfall on July 18.
Scientists have identified over 200 lunar pits, some of which may lead to caves that future astronauts can use for shelter. The pits, found using NASA's Lunar Reconnaissance Orbiter, range in size from 5 meters to over 900 meters and are believed to form when the roof of a void or cave collapses.
Multiple wildfires are burning in Oregon, threatening private property, livestock, and agriculture lands. The fires, fueled by lightning strikes and hot, windy conditions, have burned over 90,000 acres in the state's forest areas.
Typhoon Rammasun passed through central Philippines, bringing soaking rains and powerful thunderstorms to the region. The storm made landfall near Legazpi City on July 15 with maximum sustained winds of 80 knots.
Typhoon Rammasun made landfall in the eastern part of central Philippines on July 15, with NASA's Aqua and TRMM satellites tracking its eye close to landfall. The storm brought moderate to heavy rainfall across the region, with cloud top temperatures indicating potential for severe weather.
The Van Allen Probes have found a two-fold process that accelerates particles in the radiation belts, with an initial boost followed by electromagnetic waves called Whistlers. This mechanism helps explain how electrons reach intense speeds, damaging spacecraft and affecting astronauts.
The NOAA Magnetometer instrument is set to monitor magnetic field variations around Earth, enabling more accurate forecasts of space weather and its effects on orbiting spacecraft and electric power grids. The advanced technology will result in more timely and accurate weather forecasts, supporting public safety and economic health.
Tropical Storm Neoguri caused significant flooding in southern Japan, resulting in up to five deaths and 50 injuries. NASA's TRMM satellite data revealed heavy rainfall totals of over 520 mm near the Japanese island of Kyushu.
Typhoon Rammasun is approaching the central Philippines, and NASA-NOAA's Suomi NPP Satellite has captured images of the storm. The storm has strengthened, with powerful thunderstorms surrounding a tightly wound eye and bands of thunderstorms wrapping into its center.
Tropical Storm 09W strengthened into a tropical storm on July 11, with NASA's Aqua satellite capturing visible images of the storm's strong thunderstorms. The National Weather Service has issued warnings for Guam and surrounding waters as the storm is expected to bring increased winds over the weekend.
The Mills Canyon fire started on July 8, 2014, near Entiat, Washington, and quickly spread to over 1,000 acres despite local efforts. The fire has since grown to 18,065 acres, with challenges including steep rocky terrain and warm weather conditions.
Researchers detected striking similarities between a recent gamma-ray burst and the expected features from the first stars in the universe. The ultra-long burst is thought to be caused by an explosion from a blue supergiant star, providing evidence for this class of objects.
Landsat 8 uses monthly lunar scans as a baseline calibration to ensure the accuracy of its land-cover information. The satellite's Operational Land Imager collects data on different wavelengths of light, and the moon's stable surface allows for precise tracking.
The TRMM satellite provided near-real-time rainfall data for western Kyushu, showing over 490 mm of rain fell in the past week. The Joint Typhoon Warning Center issued its final bulletin on July 10, indicating maximum sustained winds of 40 knots.
On July 11, 2014, NASA's Aqua satellite captured a natural-color visible image of the region showing smoke from various fires. The NSW Rural Fire Service was tracking 29 active fires in eastern New South Wales.
Researchers will use MABEL to develop algorithms for analyzing ICESat-2 data, which will help track summer sea ice melting and identify patterns in melt ponds. The flights will provide critical data on sea ice conditions, including the extent of summer ice melt.
Scientists will measure sun's total energy output using new 'degradation-free' instruments, eliminating calibration drift. The Degradation Free Spectrometers experiment aims to demonstrate the flight-readiness of these innovative tools.
Tropical Storm Neoguri has weakened significantly as it moves along the southeastern coast of Japan, now experiencing maximum wave heights near 8 feet due to moderate southwesterly wind shear. The JTWC expects Neoguri to continue transitioning into an extra-tropical cyclone as it enters cooler waters.
Tropical Depression 09W has formed in the Northwestern Pacific, with NASA-NOAA's Suomi NPP satellite detecting extremely cold cloud top temperatures indicative of thunderstorms. The storm is currently located near Guam and is expected to move past the southern islands of the Marianas before strengthening into a typhoon.
Astronomers have spotted an unusual structure in the universe, resembling a corkscrew-shaped string of pearls, that winds around the cores of two colliding galaxies. The discovery has sparked excitement among researchers, who are still trying to understand the physical processes behind this phenomenon.
The NOAA GOES-West satellite captured images of brownish haze from Canadian forest fires drifting into South Dakota. Fire danger is high across much of Canada, with evacuation orders issued for several communities affected by smoke.
NASA captured satellite images reveal extensive wildfires in central Russia, with hotspots and smoke plumes indicating active fires. The smoke contains various pollutants, including carbon monoxide and particulate matter, posing health risks to nearby populations.
Computer modeling by NASA scientists shows that friction could be key to survival for distant Earth-sized planets in dangerous orbits. Some planets may move into safer orbits faster than expected due to tidal stress-induced friction.
Tropical Storm Fausto has degenerated into a remnant area of low pressure, with forecasters attributing its weakening to vertical wind shear and mid-level dry air. The remnants are expected to dissipate as they move through an area of increasing wind shear.