Late-July chill yields a rare summer frost advisory in Alberta
Persistent rainfall and cloud cover has cooled regions around Calgary, Alta., to well below normal. Nightly temperatures won't be much different than the daytime highs.
The best odds of temperatures hitting zero are along the Bow River, north of the Saskatchewan River and the Brazeau Reservoir area.
Temperatures are forecast to be around 0 C Tuesday overnight for parts of southern Alberta, prompting frost advisories.
While Calgary, Alta., isn't in the frost advisory, the typical, average date of the last frost is on May 21. There is a 10 per cent chance its final spring frost was on June 11, so we're in quite the rare territory.
Gardeners should take precautions to protect tender or frost-sensitive plants and trees across areas expecting near-freezing temperatures Tuesday night.
According to Environment and Climate Change Canada (ECCC), 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.
Cover your plants
But how do you protect your sensitive plans from a sneaky, late-season frost?
One key step: Cover your plants! Tarps, blankets, pots, boxes…anything you've got on hand to provide a protective bubble around your tender plants and sprouts is key to warding off the damaging effects of frost.
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