METEO-10a — VIS Camera for visibility measurement and cloud monitoring

VIS camera imagery supports MET observer especially in observation of cloud cover (in daylight), prevailing visibility and significant phenomena at the airport and enhances automatic means of observation for these MET parameters. Assessment of cloud coverage using single whole-sky-image in VIS spectrum decreases subjectivity of the observation. While current automatic observation of visibility is based on extrapolation of point measurement (optical characteristics of limited air volume), using VIS camera imagery for prevailing visibility enables automatic observation in all direction with possible identification of minimal visibility in specific directions. Video sequences from camera supports MET observer in identification of significant phenomena (e.g. type of precipitation) at the airport. VIS Camera can be used advantageously by MET Observer at the airport, but optionally also by remotely located MET observer.