Meteorologists are not the only ones who look for unusual signs . tv weather report Ross lindy recalls,my mother used to say that it was going to rain every time the cows lay down in the fields,and she was always right. many older people have their own methods predicting the weather,but nowadays think are more scientific in fact,it is surprising how even a child can make day-to-day predictions with just a little bit of information. so how is the weather actually forecast