Thank you for posting this. Those clouds look so ominous and eerie, but beautiful too...it looks so quiet. I guess that's before the storm, as they say.
I think you're wise to not lock the horses in their stalls. That can be a disaster. I tried it with mine during fireworks and quickly saw that wasn't safe. They started to rear...panic etc. If they were out, they'd run so hard and wildly, I thought they'd run through the fence...just out of their heads with fear. I just didn't know what to do. So, I finally got the vet to give me tranquilizers during the 4th. That was the ticket. Of course in your case, your horses have to have their wits about them so they can run if they hear a tree branch fall or something. I hope they will be okay. Maybe there will be a difference with the storm and something man made, like fireworks. Do you think they are less afraid with a storm? It's all very scary. I wish you all the best and that everyone will be all hunkered down safely. Maybe it won't get so bad where you are. Crossing my fingers for you.