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Fact check

Is it true: Weather Modification: Confirmed Historical Programs?

Partially True75% confidence

Partly — it's more complicated than the claim suggests.

Project Stormfury (1962–1983), Operation Popeye (1967–1972), China's ongoing Weather Modification Office, and the UAE and US state cloud-seeding programs are documented facts. The historical and ongoing use of cloud seeding is confirmed. Claims that specific contemporary extreme weather events were covertly engineered, or that a secret ongoing weather warfare program is active, are not supported by evidence proportional to the claim.

The claim

Governments have demonstrably conducted weather modification programs. Project Stormfury (1962–1983) attempted hurricane modification; Operation Popeye (1967–1972) used cloud seeding as a military wea

Key evidence

Project Stormfury (1962–1983) is fully documented

Cloud-seeding operational effectiveness is contested in peer-reviewed literature

Read the full evidence file

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