![]() This interactive weather map shows the observed precipitation and all the alerts in effect at a glance. By default, the fourteen colour palette is used, but some users may find the eight colour palette more accessible. The radar layer intensity can be displayed using an eight or fourteen colour palette. Note, however, that these two modes cannot be displayed simultaneously, and once the choice is made, the coloured imagery only indicates the intensity of precipitation. It is the default from December 1 to March 31. Snow mode displays precipitation in cm/h. It is the default from April 1 to November 30. Rain mode displays precipitation in mm/h. Our radar imagery has two “modes” – rain or snow mode – and each mode is automatically displayed depending on the season. The radar map displays the intensity of the precipitation by way of varying colours. This action will bring up a pop-up window that provides precipitation rate information for that location. Users can get radar precipitation rate information for areas within the radar network coverage in Canada by selecting an area on the map. This option allows a user to look further back in time at the previous motion of the precipitation. The “long animation” displays a series of 16 frames at 12-minute intervals over a three hour period. The “short animation” option displays a series of 11 frames at 6-minute intervals over a one hour period and is the default display of the radar imagery. ![]() How to access radar information on the map Speed of animation Radar imagery is useful in determining when precipitation will reach a given location. The legend on the radar map indicates the intensity of the precipitation. Weather radar is a tool for tracking storms in real time and allows you to see the current location and previous movement of precipitation. For technical details on the radar, please visit the ' About Canadian weather radar' page.
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