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Understory

Drought in the West - Maps and Outlooks

Abstract

Author: Brandon McWilliams

This fact sheet gives an introduction to some of the major sources of drought information and other data that is related to drought, and helps break down how they are presented. It covers the U.S. Drought Monitor weekly conditions map, the NOAA Seasonal Drought Outlook map, various sources of historical data, snowpack data, and significant fire potential outlooks. 

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Download (PDF 4.96MB): https://research.fs.usda.gov/sites/default/files/2025-07/pnw-drought_interactions_-_maps_and_outlooks.pdf
Last updated July 7, 2025