Polar Vortex · 11:36pm Mar 17th, 2019
Preparing for my next story. Tell me, dear readers, what do you think the Polar Vortex is in Equestria?
1. A band of westerly wind that swirls around 50km above the polar cap during summer months. Usually stable, but can be disturbed by disruptive weather created by inexperienced weather ponies, with unforeseen consequences?