 NOAA conducts research and gathers data about the global oceans, atmosphere, space, and sun, and applies this knowledge to science and service that touch the lives of all Americans.NOAA’s National Weather Service is the primary source of weather data, forecasts and warnings for the United States.The NWS is the sole United States official voice for issuing warnings during life-threatening weather situations and operates the NOAA Weather Radio network, which broadcasts weather and other hazard warnings, watches, forecasts and post-event information 24 hours a day.