Elemental Calamities

[subteraneanbird]

So we know that so far our calamities have been elementally aspected (or told as such anyways), and we also know that each element can be astral or umbral. Going off the lore book's explanation of astral as more active and umbral as more passive, we can see what an astral vs umbral Calamity looks like. The Great Flood and Great Freeze are very much umbral, given they took months or even years to happen and marked slow declines. The fire and lightning calamites, by contrast, happened relatively quickly and resulted in widespread rapid destruction. Wind is a mystery and earth is likely astral given that it was entirely manufactured by mortal hand, instead of just instigated by it. Bahamut's "astral calamity" also fits this framework since it greatly upset the entire known world's aetherial balance in the course of 1 night. So an umbral calamity would be the opposite: a slow change in all elements (a la FFV). Maybe you wake up one day and notice the wind hasn't been blowing for awhile, or your morning fire is colder, or the plants seem to be dying, or all of those and more.