Computer based weather forecasting depend on accurate collection of data weather station, airport, satellite, different sensitive devices which are situated on huge towers and buildings etc. All around the world computer depends on building a model of hot, cold air, dry and humid air interaction, and how this is interactions are affected by land and sea temperature season and so on. Once this is done the data is collected on atmospheric phenomena over a region. The computer model then generates a forecast of how the air will change the necessary parameters can never be measured with total accuracy and it is impossible to make a perfect representation of all the factors that affect weather. Some businesses however are so dependent on the weather that they need constantly updated information. Sparco weather forecasting department offer analysis of live weather data, and provide help to make business decisions based on weather forecasting.