We often hear the (15)____________, "Everybody talks about weather, but nobody does anything about it. " This is really not (16)____________today. Something is, indeed, being (17)____________today, meteorology is used to make people’s lives ( 18 )____________and better. Meteorologists are constantly studying the weather. Some meteorologists (19)____________the weather, others analyze weather information, and still others make forecasts about the weather (20)____________. The United States National Weather Service (21)____________a network of weather stations through the U.S. The Weather Service has more than 400 stations (22)____________. At these stations, weather observations are taken every hour, both during the day and night. The Weather Service issued 24 -hour weather forecasts. It also issues 5 - day forecasts, 10 - day forecasts and even 30 - day forecasts. (23)______________________________________________________________. In the year 1959, the United States launched its first weather satellite. This satellite was specially designed to collect, record, and send back weather information to earth. (24)________________________. They continue to provide valuable weather information to meteorologist in all parts of the world.