Weather-Light-Power Hazard Combo

Weather conditions can have a marked impact on the likelihood of electrocution occuring, or not. Wind affects balance and leads to more wing flapping; mist affects visibility and flight / landing accuracy, rain increases conductivity even of feathers and a wooden pole.

When a bird is flapping or adjusting its wings to keep balance in strong winds there are increases chances that it makes contact with 2 phase wires or 1 phase to ground.