UCLA-led study: 2000–2021 Southwest megadrought driest in 1,200 years
Dated 14 February 2022: UCLA-led study: 2000–2021 Southwest megadrought driest in 1,200 years. In the causal graph this event strengthens the driver Drought Risk.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
No public contributors are listed for this fact.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactUCLA-led study: 2000–2021 Southwest megadrought driest in 1,200 years
- strengthensDriverDrought Risk
provisional weight · verified
Causal path
How this event connects to drivers and indicators in the graph.
- FactUCLA-led study: 2000–2021 Southwest megadrought driest in 1,200 years
- strengthensDriverDrought Risk
Cite this page
Factrail. (2026). UCLA-led study: 2000–2021 Southwest megadrought driest in 1,200 years. Factrail. https://factrail.ai/facts/williams-swna-megadrought-driest-1200-years-2022
https://factrail.ai/facts/williams-swna-megadrought-driest-1200-years-2022
Accessed 15 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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