I don’t remember this ever happening before.
The roof-mounted panels never completely cleared yesterday. Solar panels are generally pretty good at clearing themselves of snow, given time. They’re black and smooth so you get a liquid layer that then makes the snow layer just slide off. Given time, that is: I’m not suggesting that cleaning your panels isn’t a good idea. In fact I noticed this while cleaning off the ground-mount rack even though at present there’s no hint that the sun will ever shine again.
If things don’t improve by the time I return from the morning water run I’ll have to break out the scary aluminum ladder.