Easterners will have to remain patient on the true arrival of summer. We still have snow on the charts and with a series of sharp May cold shots coming down, we could still see the white stuff as far south as the Smokies where a frost and freeze remains a threat.

GFS has snow in the West which isn’t that much of a surprise but it’s getting to the more unusual time of year (by no means unprecedented) further East.

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We have the continuation of an active southern stream but the northern stream is reactivating and with waves dropping out of Canada, there’s potential phasing in the East to support not 1 but potentially 3 cold shots. First shot this Thursday, 2nd this weekend and 3rd late next week.

GFS 500mb height/2n temp anomaly snap shots.

Shot 1

Shot 2

Shot 3

See this morning’s video.

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