I'm so glad your babies are safe & sound!
Crosley was out in our yard a few nights ago and didn't come back (our yard is fenced in) and when we went out, she was stuck in the snow and had fallen on her side! She always goes to the side of the yard where the snow drifts to the highest peak!
That was scary enough for me, so I can imagine how you must have felt knowing they were out of your yard!