It's still below freezing. It's just supposed to be way colder than that.
We probably want the weather to stay much colder than the negative one degree Celsius technically required for it to not melt straight away. Could make a critical difference or at least soften the impact.
Thanks, I had no idea.
I found this related article interesting: http://www.plateclimatology.com/geological-hotspot-melting-p...