The Earth’s weather system includes the dynamics of the atmosphere and its interaction with the oceans and land. Weather ranges from local or microphysical processes that occur in minutes through global-scale phenomena that we can predict with a degree of success at an estimated maximum of two weeks prior. The Weather focus area is important to the NASA Earth Science for two reasons:
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Variations in constituents such as ozone and aerosols affect air quality, weather and climate. Atmospheric composition is central to Earth system dynamics because the atmosphere integrates spatially varying surface emissions globally on time scales from weeks to years.
NASA’s Climate Variability and Change Focus Area (CVC) studies global climate and sea level to understand their change on seasonal to decadal timescales. Home to NASA’s research programs in Physical Oceanography, Cryospheric Sciences, and Modeling and Data Assimilation, the CVC Focus Area fosters interdisciplinary science to understand the role of oceans and ice in the Earth system, and supports advanced modeling capabilities to improve our understanding of the physical processes that control the earth system and enable prediction.