NOAA Weather Scan + Alert! This advanced device offers a comprehensive weather monitoring solution. It automatically scans through seven weather band channels covering floods tornadoes thunderstorms civil dangers and more. It even identifies and locks onto the strongest weather channel to provide you with timely updates on severe weather conditions. Emergency Weather Alert Radio. AC Power Adapter. With the NOAA Weather Alert feature you ll receive an audible alarm whenever there is a risk of severe weather hazards or emergencies in your area.