MAPS ALERT: The WestWide Drought Tracker is getting a
major upgrade!
New and improved maps are located here. We strongly encourage using the new maps application.
Continue to use the menu options above for time series and archive features until they are upgraded at a later date.
New and improved maps are located here. We strongly encourage using the new maps application.
Continue to use the menu options above for time series and archive features until they are upgraded at a later date.
Archived Image:
PRISM > 06/2025 > Self-Calibrated PDSI > Western US
Download PRISM Self-Calibrated PDSI NETCDF Data for United States
Download PRISM Self-Calibrated PDSI GeoTIFF Data for United States
How to cite:
Abatzoglou, J.T., D.J. McEvoy, and K.T. Redmond, in press, The West Wide
Drought Tracker: Drought Monitoring at Fine Spatial Scales,
Bulletin of the American Meteorological Society