It is expected that more rain will mix in with the snow for P.E.I., which would limit total snow accumulation. Possible snow squalls indicated in the bands of blue for parts of P.E.I., the North Shore of mainland Nova Scotia, and the Cape Breton Highlands.Īside from the North Shore of Nova Scotia, I’d advise there is also a risk of snow squalls for both Prince Edward Island and the Cape Breton Highlands Wednesday night. The longer the fetch the more intense they can be. The fetch, or distance, the cold has to move over the ocean water determines the intensity of the squalls. The cold air allows moisture from the ocean water to rise rapidly up through it where it is then carried onshore by the wind in the form of narrow, but intense, bands of snow. Snow squalls occur when colder air in the atmosphere sits over relatively warmer ocean waters. The snow could total 10 cm locally and be accompanied by northwest wind gusts of 60 to 80 km/h.Ī snow squall watch issued by Environment Canada. The weather agency cautions snow squalls are likely to move in from the Northumberland Strait Wednesday evening through Thursday morning. Environment Canada has issued a snow squall watch for Pictou and Antigonish Counties of Nova Scotia.
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