A long term forecast can also be referred to as a future projection, an extended outlook, a prolonged estimate or a strategic prognosis. This type of forecast can also be described as a far-reaching forecast, a comprehensive forecast, a calculated prediction, or a multiyear projection. A long term forecast can be a trend analysis, a weather forecast, a financial forecast or a market analysis. It is a prediction that spans over several years and is useful for companies and individuals who want to make strategic decisions based on it. There are various tools and techniques available to help create an accurate long term forecast, including statistics, data analysis and trend analysis.