
1953 tornado lasted for more than 2.5 hours — crossing from the U.S. to Canada
Some plants may be damaged or even destroyed by frost.
Patchy frost continues this morning and is expected again tonight into Sunday morning.
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Frost advisories are issued when temperatures are expected to reach the freezing mark during the growing season, leading to potential damage and destruction to plants and crops.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.