Lightning Hot Spots, safety tips and general information - a series of maps showing where lightning occurs most frequently in Canada, lightning activity in major cities, safety tips and more information.
This image represents the estimated frequency of Lightning Flashes to ground derived from an analysis of lightning detected over Canada and the United States during the hour ending at the time noted above the image. Times are expressed in Coordinated Universal Time (UTC). This image is updated each hour at approximately 25 minutes past the hour.
Choose the region of interest on the map below
The estimated frequency of Lightning is depicted as flashes per 1000 square km* per minute as follows:
Note*: 1000 square km represents a circle having a radius of 17.8 km