If the volcano off the island of Tonga goes full Krakatoa, we’ll have an awfully cold winter
Sorry, couldn't resist finishing your sentence.
Seriously though, if that happens it will take several months to affect the northern hemisphere and it will be next winter, '22-'23, when it nails us.
Yes, but next winter.
“...awfully cold winter”
Followed by an awfully cold summer and crop failures.