What is the 30/30 rule?

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Remember the 30/30 lightning safety rule: Go indoors if, after seeing lightning, you cannot count to 30 before hearing thunder. Stay indoors 30 minutes after hearing the last clap of thunder before going back outside.

anonymous · Answer 1

Remember the 30/30 lightning safety rule: Go indoors if, after seeing lightning, you cannot count to 30 before hearing thunder. Stay indoors 30 minutes after hearing the last clap of thunder before going back outside.

What is the 30/30 rule?

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What is the 30/30 rule?

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