Radar Products . Each site captures meteorological base data such as reflectivity, mean radial velocity, and spectrum width. These are known as Level II data. Radar products provide meteorological and ground truth data for regional planners. Aircraft Products .
Data reports from thousands of commercial aviation flights are collected monthly.
These include pressure, temperature, wind direction, and wind speed. These reports are a primary source of weather information in between surface reporting points, providing valuable input to the National Weather Service Aviation Forecast program. Droughts and Floods . Precipitation data to 15-minute time resolution are collected daily from thousands of weather stations. These identify areas of the U.S. plagued by severe climatic conditions, while placing the events into historical perspective.