Note: It may take several dozen seconds to a few minutes to load the radar images onto the map. Images that have not yet been loaded will appear blank on the map. Please be aware that the placement of radar imagery may not be exact and can be offset by approximately one kilometer. This product is for user information only and must not be used for critical operations. Weather radar data is obtained from Environment Canada. Usage of the radar imagery overlay is governed by the terms of use found in this document. For more details on common problems with radar imagery, please visit Environment Canada's About Radar page .