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the claim

A lightning strike includes a return stroke that travels from the ground up to the cloud.

the verdict
INSUFFICIENT LEANING
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that a lightning strike includes a return stroke that travels from the ground up to the cloud?

Unclear. The retrieved items discuss return strokes and upward ground-to-cloud lightning, but none states that the return stroke itself travels from the ground up to the cloud; the closest item describes ground-to-cloud lightning as a separate, less common type.

Verdict: PARTIAL LEAN · 3 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 3
Lightning strike
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Lightning strike. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Lightning_strike

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More for · 2
Lightning - Wikipedia
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Lightning - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Lightning

Return stroke speed of cloud‐to‐ground lightning estimated from elve hole radii
2014
Get citation
Blaes, P. R., Marshall, R. A., & Inan, U. S. (2014). Return stroke speed of cloud‐to‐ground lightning estimated from elve hole radii. doi.org. https://doi.org/10.1002/2014gl062392

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