Lightning, high winds are common weather-related power interruptions. Severe weather can cause outage situations that last for several days. ... Arrestors may safely short lightning energy to the ground. Storms and high winds can cause lines to come into contact with tree limbs or other power lines.

Note: Also tree limbs and entire trees to fall onto power lines, causing an outage. Wind - High winds may cause objects, such as fallen trees, to come in contact with power lines. If that happens, circuit breakers or other protective equipment will shut off the flow of power.