Every second, Real time meteorological data are collected form on line meteorological stations. This data is then used to compile five minute averages. The center obtains and displays instantaneous values for wind speed, direction, ambient temperature, relative humidity, and solar radiation. These time-averaged meteorological variables are used to calculate atmospheric stability. The meteorological data are stored an the system and are available instantaneously for use in modeling a release using data from the of initiation.
Projections are automatically regularly updated or when a significant weather change occurs.
Multiple Meteorological Stations in regions with complex terrain, multiple meteorological stations may be required due to the variations in wind direction or speed created by the topography, or the presence of obstructions. The meteorological data obtained from the Multiple Meteorological Stations creates a wind field site and surrounding area. This wind field is then used to model more accurately the dispersion and transport of the release. Up to eight stations can be used for flat terrain and two stations with complex terrain. Upon release these gases will fall to ground and follow the terrain.