In this video, I'll show you exactly how to safely use a portable generator — from setup to operation — whether you're facing a hurricane, a power outage, or need emergency backup power at home. When the lights suddenly go out during a storm or grid failure, an outdoor power supply becomes more than just convenience – it's your lifeline to safety and normalcy. Here's a checklist of essential items—generators, flashlights, emergency radios, and more—that will help keep you safe, connected, and comfortable amid scarcity. Read our tested. Tornadoes, hurricanes, severe thunderstorms, flooding, and extreme weather events can easily knock out power in your home. But even an animal or too many A/C units on the power grid can cause a power outage. Paul is Milwaukee County's Emergency Management Division Director.