Weather is the state of the atmosphere that is driven by air pressure, temperature, and moisture differences between one place and another. Many geospatial variables influence such weather drivers. Understandings of what weather is, what makes it change, the effect it has different applications have existed for most of human history.
Today, weather understanding, modelling, and forecasting are made by collecting quantitative data about the current state of the atmosphere, land, and ocean by using meteorology data collection standards and satellite observations that incorporate hardware and software.
The common sensor hardware measurements are wind speed, wind direction, temperature, humidity, solar radiation, barometric pressure, lightning, and rainfall. Examples of common calculated measurements from such sensor measurements include due point, evapotranspiration, growing degree days, rolling averages, and accumulations.
|Sports field of play
|Nautical Navigable charting
|Airports and air traffic navigation
|Water resources modeling and forecasts
|Climate change control / research
|CSO (combined sewer overflow)