All day I was measuring snow depth excitedly, getting up to 10 inches on the windswept side of our yard. What a thrilling start to the last month of the season! I happened to go out at 10:30 for one more look at the snow when the moon reminded me that it's full and extra bright when there is solid snowcover for reflection. I also noticed this "Moon Dog," a ring around a bright moon that appears when there are an abundance of ice crystals in the atmosphere. The same thing will happen to the sun just after a snow or on extremely cold mornings. Tonight is a good one to look for another moon dog - maybe while cross country skiing with friends??
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