Spring frost grips central, southern Alberta May long weekend

It was a frosty Sunday morning for parts of southern and central Alberta, and Monday morning could be much the same.

A ridge of high pressure allowed skies to clear overnight on Saturday and a cooler airmass moved in, dropping temperatures to near or below freezing.

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Clear skies will dominate again Sunday night across central and southern Alberta, potentially allowing frost to form once again Monday morning.

Areas below lingering cloud cover will likely stay warm enough to avoid frosty conditions.

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Environment Canada issued another frost advisory for central and southern Alberta on Sunday, including the City of Calgary, at around 3:30 p.m.

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The frost may damage crops in frost-prone areas, the alert said, and residents should cover up any frost-sensitive plants and trees.

WATCH: Horticulturist Kath Smyth joins Global News Morning to explain which vegetables grow best in our Calgary climate and which ones can be started outside prior to the last spring frost. 

5:35 Cool weather crops

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