Canada Yukon, Northwest Territories and Nunavut Lightning Strikes Detection Radar

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Note: The photo will be missing for approximately 1 minute while the photo updates at the bottom of the hour.

The estimated frequency of Lightning is depicted as flashes per 1000 square km* per minute as follows:

Continuous (Red) = more than 9.9 per minute
Frequent (Orange) = 2.5-9.9 per minute
Scattered (Yellow) = 0.6-2.4 per minute
Occasional (Green) = 0.1-0.5 per minute
Isolated (Blue) = less than 0.1 per minute

Note*: 1000 square km represents a circle having a radius of 17.8 km

Lightning Activity
The above 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 Universal Time Coordinates (UTC). This image is updated each hour at approximately 30 minutes past the hour.

Data courtesy of Environment Canada