Thunderstorm Discussion for October 1, 2021.

The thunderstorm forecast is issued daily from March 1 to September 30.

Canada:

The thunderstorm forecast has ended for the season and will resume on March 1, 2022.

United States:

The thunderstorm forecast has ended for the season and will resume on March 1, 2022.

To learn more about the terms used in the thunderstorm outlook, visit our glossary.

 

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