On May 9, the daily mean concentration of carbon dioxide in the atmosphere of Mauna Loa, Hawaii, surpassed 400 parts per million (ppm) for the first time since measurements began in 1958.
Scientists have found that wispy cirrus clouds have cores of dust and metallic particles, answering questions about how these clouds form and giving insight into their climatic implications in the future.
Clouds over the central Greenland Ice Sheet last July were “just right” for driving surface temperatures there above the melting point.
The NOAA National Severe Storms Laboratory, in partnership with the University of Oklahoma, has launched a free app for users to anonymously report precipitation from their Apple or Android mobile device.
Oceanic and Atmospheric Research (OAR) - or "NOAA Research" - provides the research foundation for understanding the complex systems that support our planet. Working in partnership with other organizational units of the NOAA, a bureau of the Department of Commerce, NOAA Research enables better forecasts, earlier warnings for natural disasters, and a greater understanding of the Earth. Our role is to provide unbiased science to better manage the environment, nationally, and globally.