I have looked into the GADM datasets. The problem is that Canada has a very non-standardized level-2 Administrative Zone identification across the various Territories and Provinces. As a result, their Meteorological Weather Forecasting uses a unique system of boundaries they created. Info on this here. Visually, you can see these boundaries here on a map. I am looking for datasets to reproduce those regions (ideally shapefile format, but I'm open to other formats so long as I can generate/transform the geometries from it using something like QGIS).


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They're well hidden! I found a directory with archives of shapefiles here. There's some documentation here. It looks like the polygons aren't updated regularly, but you can sign up to the mailing list to find out when they are, according to that document.

If you download this archive (33MB), the forecast zones are in land_CLCBaseZone_detail_proj.shp. (The detail files have accurate coast lines. The coarse files are more general.)

  • in Name field there are codes like BC082640 (that should be Fraser Valley) correct?
    – Mapperz
    Jul 31, 2015 at 20:11
  • I can't thank you enough - I need to learn your Google-fu techniques. I'm thinking the PubStdZone_detail_proj.shp files should do the trick perfectly (found in the first link under "Land Projection" set). I was having some doubts about anyone coming through on this but you surprised me. @Mapperz - For example: I see the Fields "NAME" & "NOM" with value "Windsor - Essex - Chatham-Kent" and also the Fields "PUBSTDZA" & "CLC_V5" with value "041400" under the dataset I mentioned above
    – Brandon K
    Jul 31, 2015 at 20:16
  • 2
    @BrandonK: actually, I just searched for "canada forecast weather region shp" and that document was the second hit. The really helpful thing is that Google knows that when I say, "shp," I really mean "Shapefile."
    – Rob Skelly
    Jul 31, 2015 at 20:23

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