Having lived in "snow country" most of my life, I can relate.
It's not the light fluffy snow that is a problem, but if you get a warm up and it starts to rain all that snow will act as a sponge and the weight can climb exponentially. Warmer temps will also help the snow compact and turn to concrete, making it much more difficult to remove.
I agree, I'd not get on the roof. Lean a ladder up against it and use a shop broom to clean it off while it is still light and fluffy, if you can. Given the relatively narrow distance side to side I'd not worry about equalizing your removal from one side to the other.
Do be very careful - when it's that cold plastic vent covers, vent pipes and even A/C covers are very brittle and can be easily broken.
Jay & Peggy Monroe with Dolly
Can't take it with you - don't plan on leaving any behind
2016 Newmar London Aire 4553, Spartan chassis
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