North American Drought Atlas (NADA)
Tree-ring reconstructed Palmer Drought Severity Index over North America spanning centuries, with a web application to create maps and time series of instrumental and reconstructed PDSI. Hosted by University of Memphis.
drought.memphis.edu
At a glance
- Region
- United States (North America)
- Coverage
- North America
- Access
- Free
- Category
- Academic
- Last updated
- 2024
What's inside
- Drought index
- PDSI reconstruction
- Tree-ring
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Drought indices
Track SPI and SPEI style indices for declarations and relief.
Because it has: Drought index
- 02
Planning
Plan reservoir releases and cropping for a dry year.
- 03
History
Compare this year with the worst droughts on record.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Onset forecasts
Predict drought onset months ahead from climate signals.
- 02
One risk score
Combine many indices into a single, explainable risk score.
- 03
Impact links
Connect drought to yields, prices and migration with ML.
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- Old World Drought Atlas (OWDA)Europe | Free
- EPA UCMR 5 PFAS Drinking Water DataNorth America | Free
- EWG Tap Water Database (2025 Edition)North America | Free
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