NASA's Terra satellite captured a cloud-free image of Hurricane Hilda's eye on August 8, showing strong thunderstorms circling the center. The storm is expected to cause rough surf along east and southeast facing shores of the main Hawaiian Islands over the next couple of days.
Tropical Depression Molave was characterized by strongest winds of near 24 meters per second (53.6 mph/86.4 kph) in its southeastern quadrant on August 8, but these have since weakened. On August 9, NASA's Terra satellite captured a visible-light image showing the depression winding down about 400 miles away from Japan.
Forest fires in Siberia have grown over three times to 146 fires covering 63,600 hectares, with blazes reported in the Buryatia Republic and Zabaikalye Territory. A total of 10,700 hectares are registered in nature reserves, with firefighting efforts employing 3,500 people and 11 aircraft.
Typhoon Soudelor's eye has expanded to 17-nautical-mile-wide, surrounding powerful thunderstorms. The storm made landfall in central Taiwan on August 7, with maximum sustained winds increasing to 105 knots (120.8 mph).
Scientists analyzed a 14.7 million-year-old eruption in the Columbia River basalt formation, finding that it produced massive amounts of lava and gas that could have reached the stratosphere. This hypothetical scenario indicates that ancient flood volcanoes may have played a significant role in altering global climate patterns.
Tropical Depression Guillermo has weakened significantly due to strong vertical wind shear, inhibiting thunderstorm development. The storm is forecast to become a remnant low later today and dissipate on Saturday.
Astronomers have discovered a self-regulating cycle between black holes, jets, and newborn stars in giant elliptical galaxies. The process, observed using Hubble Space Telescope data, controls the rate of star formation by heating and cooling gas halos around these galaxies.
Typhoon Soudelor's heavy rainfall and powerful feeder bands were detected by NASA's GPM satellite, showing a strong impact on the storm's structure. The typhoon reached maximum sustained winds near 90 knots and is expected to intensify again before making landfall in Taiwan.
Tropical Storm Hilda formed early on August 6 in the Eastern Pacific, with the GOES-West satellite capturing its development. The storm strengthened into a tropical storm by 11 a.m. EDT and is expected to reach hurricane strength by Saturday.
Tropical Storm Guillermo is experiencing strong vertical wind shear, leading to a wedge-shaped storm. The system is expected to weaken further as it encounters dry air and continues moving west-northwest towards the Hawaiian Islands.
A NASA camera aboard the DSCOVR satellite captured a unique view of the moon as it moved in front of the sunlit side of Earth. The images show the fully illuminated
Several fire complexes are currently active in Northern California, including River, Fork, South, Route, and Mad River, with total fires numbering over 40 in the Fork Complex alone. Damage assessments are ongoing, and crews are working to contain fires and protect structures.
Tropical Storm Guillermo is forecasted to bring strong winds and heavy rainfall to the Hawaiian Islands. NASA's Terra satellite and RapidScat instrument provided critical data on the storm's wind patterns, revealing strongest winds on the northern and eastern sides.
Typhoon Soudelor was characterized by intense rainfall and towering thunderstorms. NASA satellites detected sustained winds of up to 121 mph near the storm's center.
Super Typhoon Soudelor has reached Category 5 status on the Saffir-Simpson Wind Scale, with sustained winds of near 155mph and a 12-nautical-mile-wide eye. The Joint Typhoon Warning Center predicts the storm to maintain its intensity for another 24 hours.
Scientists project higher fire risk in eastern Amazon due to warmer Pacific sea surface temperatures, while western Amazon experiences average or below-average risk. The fire season's severity is driven by the El Niño phenomenon and its impact on rainfall patterns.
Tropical Storm Guillermo is creeping closer to the Hawaiian Islands, prompting a tropical storm watch for counties including Maui and Hawaii. The storm's maximum sustained winds are near 70 mph, with expected slow and steady weakening.
Super Typhoon Soudelor showed extreme rainfall rates with over 58 mm/hour on its southern side, as measured by NASA's GPM core satellite. The storm is predicted to intensify before making landfall in eastern China.
Hurricane Guillermo's strongest winds, reaching 67 mph/108 kph, were measured by NASA's RapidScat instrument on the western side of the storm. The storm is expected to weaken as it approaches the Hawaiian Islands, with maximum sustained winds near 75 mph.
The collaboration uses G-LiHT to measure signs and symptoms of forest health, detecting changes in leaf pigments and spotting infested trees with thermal infrared cameras. This technology helps track emerald ash borer and southern pine beetle populations, informing post-infestation control measures.
A NASA study reveals California's precipitation deficit between 2012 and 2015 was approximately 20 inches, largely due to a lack of atmospheric rivers. The state's water demand has increased exponentially, depleting reservoirs and groundwater reserves, exacerbating the drought.
Astronomers confirm exoplanet orbiting far from its central star using gravitational microlensing, opening new discovery space for long-period orbits. The Uranus-sized planet is about 370 million miles from its parent star, with a host star about 70% as massive as our Sun.
The Magnetospheric Multiscale (MMS) mission is gathering data on magnetic reconnection, a phenomenon that happens when the Earth's magnetic field connects and disconnects from the solar wind. The tetrahedral formation of MMS spacecraft allows scientists to study this process in three dimensions.
The Global Precipitation Measurement (GPM) core satellite measured rainfall rates of up to 50 mm/h near the center of Tropical Depression 08E. The depression was forming over the Eastern Pacific Ocean when GPM flew overhead on July 27, 2015.
The Reynolds Creek Fire in Montana began on July 21 after a lightning strike and has consumed mixed conifer trees, shrubs, and grass. As of July 24, the fire is at 4000 acres with predicted extreme fire behavior due to gusty west winds.
The Global Precipitation Measurement (GPM) mission observed Typhoon Halola with rainfall rates of up to 40 mm/h near the southeastern side, while the northern side showed less than 10 mm/h. The storm's elongated shape and dry air's effect contributed to its weakening circulation.
Wildfires on Croatia's Peljesac Peninsula and islands of Korcula and Brac have destroyed olive groves, vineyards, and pine forests, forcing evacuations. The fires have also disrupted main roads and power supplies, with hot winds and high temperatures hindering firefighters' efforts to contain the blazes.
Tropical Depression 12W intensified into a tropical storm after NASA's Terra satellite captured an organized storm with better circulation. The storm is forecast to weaken under Typhoon Halola's influence, moving slowly at 5 knots (5.7 mph/9.2 kph) towards the north.
Tropical Depression Felicia made landfall on Socorro Island in the Revillagigedo Islands, southwest of Baja California, Mexico. The storm's maximum sustained winds were near 35 mph, and it is forecast to weaken into a remnant low by Saturday.
Tiny marine organisms produce airborne gases and organic matter to seed cloud droplets, leading to brighter clouds that reflect more sunlight. This process affects the amount of solar energy reaching Earth's surface, with implications for global climate.
Tropical Storm Felicia formed over 400 miles southwest of Baja California's southern tip on July 23, 2015. The storm strengthened into a tropical storm near latitude 19.1 North, longitude 114.9 West, with maximum sustained winds near 40 mph.
NASA's Aqua satellite captured infrared data showing cloud top temperatures as cold as -63F/-53C on July 23, indicating potential heavy rainfall. The tropical depression is moving away from the Philippines in a north-northeasterly direction with maximum sustained winds near 25 knots.
The Global Precipitation Measurement satellite tracked Typhoon Halola's strengthening and intensification, revealing heavy rain rates of over 84 mm/h. The storm's tall thunderstorm towers reached heights of over 10.5 miles, releasing energy that can lead to intensification.
The Energetic Heavy Ion Sensor (EHIS) has been given a clean bill of health after being tested using a proton accelerator at Massachusetts General Hospital. This sensor will measure heavy charged particles in Earth's magnetosphere and aid in space weather alerts.
Typhoon Halola's strongest typhoon-force winds were located on the northern half of the storm, stretching from northwest to northeast. The storm intensified and peaked at 95 knots on July 24, with Joint Typhoon Warning Center forecasts predicting weakening after that.
NASA satellite data shows Tropical Cyclone Halola getting stronger with strongest sustained winds appearing on the northeastern side as strong as 22 meters per second. The storm's cloud top temperatures are also getting colder, indicating more uplift or strength in the storm, potentially leading to heavy rainfall and thunderstorms.
The NASA satellite camera has returned its first view of the entire sunlit side of Earth, generating color images using a combination of narrowband filters. The images show effects of sunlight scattered by air molecules, giving them a characteristic bluish tint.
NASA's RapidScat instrument and Europe's METOP satellite detected tropical-storm-force winds in the northwest quadrant of Cyclone Enrique. The storm was re-classified as a tropical storm on July 17, with maximum sustained winds near 40 mph (65 kph) and higher gusts.
Tropical Storm Dolores is weakening due to colder water and increased wind shear, forecasted to become a remnant low in a few days. Swells generated by the storm affect southwestern Mexico and western Baja California.
NASA detected strongest thunderstorms east of Tropical Storm Halola's circulation center with cloud top temperatures reaching -63F/-53C. The storm is forecast to intensify and reach typhoon status over the next several days, posing a threat to the island of Iwo To, Japan.
Tropical Storm Nangka caused the evacuation of over 200,000 people in Japan and is moving towards the Sea of Japan. The storm's wind speed decreased to 40 mph as it moved northeastward, with forecasters predicting its dissipation in a day or two.
Typhoon Nangka is moving north towards mainland Japan, with NASA satellites tracking its progression. The storm's maximum sustained winds decreased from 65 knots to 75 mph/120 kph, making it a minimal category 1 typhoon.
NASA's RapidScat instrument detected tropical storm-force winds in Tropical Storm Enrique on July 16, contradicting a forecast that the system would weaken. The storm is moving west-northwest at 8 mph and may turn west by Friday.
Hurricane Dolores is a category 3 hurricane with maximum sustained winds near 115mph, affecting Mexico's Revillagigedo Islands and generating rough surf. The storm is forecast to weaken gradually over the next 24 hours before moving into colder waters.
RapidScat data showed the strongest winds in Tropical Storm Halola were located in its northeastern quadrant, reaching speeds of up to 62mph. The storm is expected to strengthen into a typhoon by July 17 and pass northeast of Iwo To island, Japan, by July 21.
Post-Tropical Storm Claudette's winds weaken significantly due to cold sea surface temperatures, according to NASA's RapidScat measurements. The storm's intensity is predicted to drop rapidly as it moves northward over the Northern Atlantic Ocean.
Tropical cyclones require sea surface temperatures of at least 80 degrees Fahrenheit to maintain strength. Tropical Storm Enrique has moved into an area with temperatures below this threshold, leading to weakening and reduced winds.
Typhoon Halola has become elongated due to wind shear, with cloud top temperatures as low as -63F/-52C, leading to heavy rainfall. The storm is expected to maintain typhoon intensity and move west-northwestward over the next several days.
Typhoon Nangka's ragged eye was captured by NASA's Terra satellite on July 15, revealing a 15-nautical-mile-wide storm surrounded by powerful thunderstorms. The typhoon is expected to make landfall in southern Japan, bringing strong winds and heavy rain.
Hurricane Dolores was a Category 4 storm with maximum sustained winds near 130 mph, affecting southwestern Mexico and Baja California peninsula. The storm is expected to continue moving westward, with some strengthening possible during the night of July 14.