Ash storm origin coordinates and hand shielding animation behavior are incorrect
Again, just as it says on the tin.
NPC's in Vanilla Morrowing will shield their eyes during an ash-storm. Easiest to see in Ald-ruhn stilt rider NPC.
Here's a good example - https://gamefaqs.akamaized.net/screens/3/1/f/gfs_79907_2_25.jpg
(RM-4240 from redmine: created on 2017-12-03 by Daniel Burke, )