EARTH NETWORKS' LIGHTNING SAFETY This facility is equipped with an Earth Networks Outdoor Alerting System What the Sounds and Strobe Light Mean One Long 15-Second Horn Blast Lightning Detected - SEEK SHELTER NOW Strobe Flashing Lightning in Area - Under Alert - SEEK SHELTER NOW Three Short 5-Second Horn Blasts All Clear - Safe to Resume Outdoor Activities SEEK Enclosed & Grounded Building Enclosed Automobile/Truck Approved Lightning Shelter • The Outdoors • Open Areas • Water • Tall Trees • Metal Fences • Overhead Wires & Power Lines • Elevated Ground • Rain Shelters NO PLACE OUTSIDE IS SAFE DURING A THUNDERSTORM. This system does not guarantee that conditions are safe.