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the claim

All Atlantic hurricanes begin as tropical waves moving off the coast of Africa.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 5 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 all Atlantic hurricanes begin as tropical waves moving off the coast of Africa?

No. Reference and peer-reviewed sources state that only a majority (about 60% of Atlantic tropical cyclones, 85% of intense hurricanes) originate from African easterly waves, and that West African disturbances only sometimes or generally develop into hurricanes. One popular book says hurricanes often begin as African tropical waves, which is weaker than the claim's 'all'.

Verdict: REFUTED · 0 sources for, 5 against · Last checked

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

Evidence against · 5
Tropical wave - Wikipedia
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Tropical wave - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Tropical_wave

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More against · 4
Tropical Atlantic Hurricanes, Easterly Waves, and West African Mesoscale Convective Systems
2010
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Kouadio, Y. K., Machado, L. A. T., & Servain, J. (2010). Tropical Atlantic Hurricanes, Easterly Waves, and West African Mesoscale Convective Systems. doi.org. https://doi.org/10.1155/2010/284503

North Atlantic Hurricanes Contributed by African Easterly Waves North and South of the African Easterly Jet
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North Atlantic Hurricanes Contributed by African Easterly Waves North and South of the African Easterly Jet. (n.d.). cir.nii.ac.jp. https://doi.org/10.1175/2008jcli2523.1

Cyclogenesis in the Tropical Atlantic: First Scientific Highlights from the Clouds–Atmospheric Dynamics–Dust Interactions in West Africa (CADDIWA) Field Campaign
2024
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Cyclogenesis in the Tropical Atlantic: First Scientific Highlights from the Clouds–Atmospheric Dynamics–Dust Interactions in West Africa (CADDIWA) Field Campaign. (2024). insu.hal.science. https://doi.org/10.1175/bams-d-23-0230.1

Weather regime characterisation of the atmospheric environment leading to the development of tropical cyclones in the Northern Tropical Atlantic
2023
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Weather regime characterisation of the atmospheric environment leading to the development of tropical cyclones in the Northern Tropical Atlantic. (2023). insu.hal.science. https://doi.org/10.5194/egusphere-egu23-4556

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