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Will it rain today?
Like the most, I normally check the weather forecast before I go out. Knowing what the weather is going to be like helps us plan our (1)...... activities effectively.
Weather forecasting has a long history. In the past, people recorded changes in the weather to identify patterns which would (2)...... them to forecast with some (3)...... . They realised , for example, that high, delicate clouds generally announced the (4)...... of good weather.
Modern forecasting is more sophisticated, and uses a (5)...... of computer models, monitoring and knowledge of trends. Today's forecasts are based on several different (6)...... . Rainfall, wind direction, wind speed and air pressure are all recorded. This means that forecasting is becoming increasingly reliable.
Naturę will always be (7)...... though, so we can never really be sure what will happen. It's difficult to forecast further in advance than five days with much (8)...... as small changes can have a big impact on the weather.
