In Britain, just as the largest audienceis watching the main television news programs,it's weather forecast time.The BBC broadcast 44 live forecasts a day,433 hours of weather a year,using forecasters from the Meteorological Office.The Met Office makes predictions about the weather 7 days in advance.(1)___________________________________.The observations are stored in computers that can do up to 4，000 million calculations per second.In Britain, the weather is news.A television weather forecast often begins with an interesting fact:The town of the top temperature of the day or the place with the most rain."The public like that kind of information." says senior forecaster Bill Jails,"The BBC forecasters are professional meteorologists,but they do not have an easy job."(2)_____________________________________________.Viewers are often critical,especially of female presenters.One woman left job after rude letters and press reports about her clothes. (3)________________________________________________."What happens", says one forecaster,"is that people like watching and hearing the forecasters,but they probably only take real notice when they need to,or of course, when we make mistakes."