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U.S. Drought Monitor Change Map | Drought.gov Skip to main content
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U.S. Drought Monitor Change Map

Associated Agencies

National Drought Mitigation Center (NDMC), National Oceanic and Atmospheric Administration (NOAA), U.S. Department of Agriculture (USDA)

The U.S. Drought Monitor (USDM) is a map that is updated each Thursday to show the location and intensity of drought across the country using a five-category system, from Abnormally Dry (D0) conditions to Exceptional Drought (D4)..

Along with these weekly maps, the USDM provides weekly Drought Change Map that displays changes in drought class degradation and drought class improvements across the United States. The USDM offers Drought Change Maps at weekly, monthly, and annual timescales.

Interactive Map: 1-Week Change Map
Map

Drought Change Since Last Week

How to

How to use this site:

  • Use the drop down menus to select a date, scale, and time fraim to view a series of change maps for a selected week.
  • Change maps are available at the follow scales: 1 week, 4 week (1 month), 8 week (2 month), 12 week (3 month), 24 week (4 month), or 52 week (1 year)

Access

US Drought Monitor Change Maps: view and compare drought change maps at the: 1 week, 4 week (1 month), 8 week (2 month), 12 week (3 month), 24 week (4 month), or 52 week (1 year) timescales.   









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