Strong winds snap or knock down power lines. When trees or big branches fall on wires, they break or short-circuit the connection. Storm clouds gathering and the distant rumble of thunder signify that Mother Nature's fury is set to strike electrical systems imminently. Lightning and rain can. Each time it's the same circuits that are losing power, upstairs bed and bath, downstairs router, and a couple other rooms. I measured the voltage of the outlet in the bedroom and it was fluctuation 30-10 volts AC and occasionally jumps back up to 120. (CNN) — Picture this: It's a Thursday night in Houston and thunderstorms are rolling in. All of this makes your power less reliable during bad weather. Flickering or Dimming Lights One of the most common signs of electrical damage after a storm. Why do strong winds knock out the power to your house without damaging the power lines? Basically when your power flickers or goes out completely but comes back on a minute or two later but there's no power lines down or poles down. What is it about heavy winds that causes that to happen? Archived.
[PDF Version]