Midland WR300 Weather Radio Midland WR300 Weather Radio. The Midland WR300 All Hazards Public Alert Radio with AMFM Alarm Clock continuously monitors the combined All Hazard National Weather Radio station transmissions broadcast around the clock from NWS offices across the United States. This radio network is the most immediate source for comprehensive weather and instantaneous emergency information, ensuring that you and your family are always informed about threats to your safety. The automatic alert system of the WR300 All Hazards Weather Receiver is innovative. The monitor is automatically activated along with a loud tone, an LED light and an alert message on the LCD display whenever a severe weather or special emergency statement is broadcast. Those can include tornado, hurricane, flood, icesnow storm, and other severe weather alerts as well as Amber Alerts, and emergency information about explosions, fires, hazardous chemical spills, and others. Combined with the AMFM clock radio, the WR300 is perfectly suited as a wake up alarm next to your bed. And no worries about being awakened to hear of a problem many miles from your home that will not affect you. The Midland WR300 allows you to enter the S.A.M.E. Specific Area Message Encoding codes for counties in your local area, eliminating alerts that are not within the Specific Area you have programmed.