Maybe catastrophes will come into vogue now to rescue the global warming hypothesis. There needs to be someway to explain the previous periods of cooling when carbon dioxide in the atmosphere was high.
Although we usually imagine a Fimbul Winter to be something like an extra long Spring, or maybe even late Winter, they can be quite milder but just as devastating.
If you were an Eastern apple, pear, plum, apricot or peach grower you'd know your bare trees are pretty much what you'd get under those condtions.
Given another 2 or 3 day cold spell and agricultural endeaver East of the Alleghenies is going to be a total disaster.
Pray for heat.