After 7 days of summer, now this?

We had 7 days with temperatures in the 70's and even a 90F day and then today we were instantly thrown back into winter wonderland. Some of the trees have leafed out and are bending with the weight of the snow. And, it's not over yet. We happened to catch a break in the snow for about an hour at 7pm and that's when I took this video. We could get another 4 to 8 inches tonight. Crazy!
At the beginning of the video, you'll see the snow board I used to measure snow...7" as of 7pm on April 16, 2023. Notice the lack of snow on the roads. The soil temperatures warmed this week into the low 50's which has helped to keep them wet and not snow covered.
Music licensed via Soundstripe: Winter Wonderland by Cast of Characters

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Bipolar vortex?