VTOL aircraft can take off and land vertically, like a helicopter. They can operate in confined spaces, and take off and land vertically, which reduces the need for large airport runways.
A weather forecast is a prediction of the weather conditions expected over a given area in the next few days. The forecast is based on data collected at weather stations, satellite data, various types of sensors, and computer models. The accuracy of weather forecasts has increased significantly in recent years.