Weak convective cells have emerged over south-east Saskatchewan and it looks like the lighning map is indicating the most northerly strikes are coming closer to Canada today. SPC has a huge "slight risk" area drawn for the plains on Thursday which may indicate a very active day over a wide spread area. A little more heat and all this moisture will make for an interesting spring storm season. The earliest severe thunderstorm in recent memory was on April 19, 2004.
See the snow in this archived photo:
April 19, 2004
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