What causes cracks like this in the sidewalk?pic.twitter.com/2ZZBW45pnX
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It looks more like electrical discharge. Ice damage is usually concentric not radial.
where I live there's a lot of thunderstorms and temps never below 10C. I never saw one of those. So I hardly think it may be because of lightning
I'm skeptical it's lightning, but wouldn't be surprised if it was from a downed power line.
freezing lightning
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