Agriculture and Agri-Food Canada

Service health Now:
Interface
Web Service, OGC Web Map Service 1.3.0
Keywords
climate, precipitation, drought
Fees
unknown
Access constraints
© Government of Canada (2018). Data are subject to the Government of Canada Open Data Licence Agreement: http://open.canada.ca/en/open-government-licence-canada. The terms of this Agreement govern your use and reproduction of the data instead of the copyright reproduction statements found in Important Notices on the Agriculture and Agri-Food Canada website.
Supported languages
No INSPIRE Extended Capabilities (including service language support) given. See INSPIRE Technical Guidance - View Services for more information.
Data provider

Agriculture and Agri-Food Canada (unverified)

Contact information:

Agri-Geomatics

Agriculture and Agri-Food Canada

Canada

Email: 

Service metadata
No INSPIRE Extended Capabilities (including service metadata) given. See INSPIRE Technical Guidance - View Services for more information.

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The Canadian Drought Monitor (CDM) is a composite product developed from a wide assortment of information such as the Normalized Difference Vegetation Index (NDVI), streamflow values, Palmer Drought Index, and drought indicators used by the agriculture, forest and water management sectors. Drought prone regions are analyzed based on precipitation, temperature, drought model index maps, and climate data and are interpreted by federal, provincial and academic scientists. Once a consensus is reached, a monthly map showing drought designations for Canada is digitized. AAFC's National Agroclimate Information Service (NAIS) updates this dataset on a monthly basis, usually by the 10th of every month to correspond to the end of the previous month, and subsequent Canadian input into the larger North American Drought Monitor (NA-DM). For more information, visit: http://open.canada.ca/data/en/dataset/292646cd-619f-4200-afb1-8b2c52f984a2

Available map layers (3)

Current Drought Extent in Canada (0)

The Current Drought Extent in Canada has been created to define and depict the severity, spatial extent, and impacts of drought within Canada except for Nunavut and the Arctic Archipelago. Drought classes in the CDM range from D0 to D4, with D0 indicating abnormally dry conditions, and D1 to D4 indicating moderate to exceptional drought. Each category is based on the percentile chance of those conditions occurring.

Dominant Impact (1)

Impact Type (2)

The Drought Impact Type is used on all drought polygons from D1 to D4 to specify the longitude and magnitude of impacts. Impact labels are often used in association with the Drought Impact Line dataset. The impact labels are classified as follows: S – Short-Term, typically less than 6 months. L – Long-Term, typically more than 6 months. SL – A combination of Short and Long-Term impacts.

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Last updated 2025-04-06 07:23:12 UTC.