Canadian Lightning Danger Map - Ontario
The Canadian Lightning Danger Map (CLDM) represents areas at greatest risk of being struck by lightning in the next 10 minutes. Times are expressed in Coordinated Universal Time (UTC). The interval between maps is 10 minutes. Please re-fresh your browser to ensure you have the latest map. Learn more about the Canadian Lightning Danger Map.
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What we are doing
Summer 2017: Significant weather across Canada
By analyzing weather events, ECCC is collecting more information as to how our climate is changing.
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