North American Drought Monitor

• Overview
• NADM Maps
• Indices and Data
• Geographical Reference Maps
• Climatology Maps

Geographical Reference Maps

The following geographical reference maps are useful to define crop areas and geographical regions of the United States and ecozones of Canada. Click on the image for full size map.

Canadian Ecozones
(Provided by Agriculture and Agri-Food Canada)

U.S. Crop Areas
(Provided by USDA/Joint Agricultural Weather)

U.S. Geographical Regions
(After Weekly Weather and Crop Bulletin)