metcorologists are not the only ones who look for unusual signs. TV weather reporter Ross Lindy recalls,"My mother used to say that it 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" of predicting the weather,but nowadays things are more scientific in fact, it is surprisind how even a child can make day-to-day prediction with just a little bit of information. So how is the weather actually forecast?