The weather affects many aspects of our lives and (RESEARCH) are constantly looking for ways to produce accurate forecasts.
Our (ABLE) to predict the weather depends on the information we have. Special (EQUIP) is used to collect weather data, including amount of rainfall, temperature and wind speed and direction from all over the world. Computers make a (COMPARE) between these present-day figures and (HISTORY) records then try to predict the future on the basis of the past. Large computers also help to produce a (DETAIL) picture of the likely weather using a model of the Earth in their memories.
Even with these aids, nature is so (PREDICT) that our forecasts are accurate for only a few days.