WDCA Chernobyl Data consists of digital data set DSI-9681, archived at the National Centers for Environmental Information (NCEI). World Data Center for Meteorology (WDC-A), located in Asheville, North Carolina, is a meteorological data center in a worldwide network of data centers for the various sciences established to promote international exchange of scientific data. This particular dataset consists of meteorological data from the April 1986 disaster at the Chernobyl nuclear power plant in the Ukraine. Upper air observations may include: winds, dew points, and temperatures. Surface observations may include: temperatures, winds, humidity, pressure, water vapor, solar radiation, salinity, currents, sea ice, swells, and waves. Drifting buoy observations may include: sea surface temperature, salinity, currents, swells, and waves. Satellite sounding observations may include: thickness, precipitable water, or mean temperature for up to two vertical layers.