A return to La Nina conditions for the prairies would bring in a colder, wetter winter.
"It's hard to say exactly even though we have a pretty good idea of where the jet stream sets itself up most of the time, the La Nina event and the jet stream would be the path that low-pressure systems will tend to take across the Canadian prairies during La Nina. Exactly where that's going to set itself up can change from period to period or week to week, so exactly where those low-pressure centres are going to go and therefore exactly who is going to get precipitation out of them is a little less clear."
Some frosts will likely start popping up later into the fall, likely well after harvest has wrapped up for farmers.
"Since it will be cooler, probably starting in the fall, it wouldn't surprise me if we saw maybe some kind of effect in the late fall, kind of showing up here, but as I mentioned, we don't really see climate impacts from La Nina in our part of the world in late summer or early fall, so I don't know that we would be talking about frost more than usual as La Nina conditions set themselves up."
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