April 10, 2018 Auroras
Wabana Lake
Exactly one month after being here on my last aurora sighting, I came back to the same spot to view auroras again. Despite the fact that we were several weeks into calendar Spring (and nearly a month and a half into meteorological Spring), the lake looked very much the same as it did in March. At this time in 2017, the lake was ice free, but this year, there was probably about three feet of very healthy ice. It was one of Minnesota's coldest Aprils on record this year, but a warmup late in the month kept it from being the coldest. In southern Minnesota, it was the snowiest on record, which delayed ice-out until the latest date ever recorded for many southern Minnesota lakes. We had less snow up north, so our ice-outs missed the all-time records by about ten days or so (this still put ice-out well into May).
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| A substorm begins over Wabana Lake. |
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| The surface of the snow is illuminated by the band of auroras to the north, which is to the left of the field of view of this picture. |
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| Here's a bit of aurora structure and a bit of foreground. |
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