Humidity is a measure of water vapor in the atmosphere. There are measures of absolute humidity, which is the grams of water vapor present per cubic meter of air. Specific humidity is the grams of …

Jan 28, 2026 · NASA’s Earth-observing satellites help scientists identify atmospheric rivers, which enables studies of climate change, water management, and weather.

Jan 28, 2026 · Air mass/density is a fundamental property of atmosphere. Mixture of gases forming Earth's atmosphere, consisting of nitrogen (∼78%), oxygen (∼21%), water vapor, and other trace …

Jan 28, 2026 · NASA data help researchers characterize processes occurring within Earth’s atmosphere and their interactions with its land, ocean, and ecosystems.

NASA's Atmospheric Science Data Center projects focus on Earth science disciplines including radiation budget, clouds, aerosols, and tropospheric composition.

Jan 29, 2026 · NASA's carbon monoxide data track historical and near real-time levels of this pollutant, enabling studies of air quality and atmosphere composition.

The Atmospheric Infrared Sounder (AIRS) is a hyperspectral sounder that collects daily global measurements of water vapor and temperature profiles as one of four instruments comprising the …

Feb 13, 2025 · NASA’s Atmospheric Science Data Center (ASDC) recently debuted its new GitHub online collaboration and code-sharing page offering tutorials, scripts, and guides for using data from …

Launched in 2002, the Atmospheric Infrared Sounder (AIRS) instrument aboard NASA’s Aqua satellite provides 3D measurements of temperature, water vapor, trace gases, and surface and cloud …

Jan 28, 2026 · Lightning research has come a long way in the past few decades. Looking back at Space Shuttle lightning experiments in the 1980s, we now have a better understanding of why lightning …