After poking around the forum I found this thread. And although it's a bit old, I felt like adding my own experience.
This encounter took place around eleven years ago. The area in which I live was experiencing the most severe thunderstorm I've ever seen. The local newscasters interrupted the television show I was watching, reporting a storm with over one hundred lightning strikes per minute.
I went outside to watch the storm, because I'm one of those people who likes to sit on their porch and watch lightning. The lightning was constant, with barely a second between flashes, the winds driving the storm clouds that were racing by overhead. Most of the time, lightning happens a couple minutes or seconds apart, with thunder rolling in evey now and then. But this was like nothing I'd ever seen before.
That's when I noticed something to my left. I was standing on the porch when I saw what appeared to be a large black dog, hunched over and running up my driveway. It appeared out of nowhere, running in an odd zigzag pattern, sort of leaping left to right as it ran with its head down.
I quickly returned to the front door, because I thought this was a stray or maybe a neighbor's dog that had panicked from the noise of the storm and escaped. Who knows? It could have run up the steps and onto the porch, and I didn't want to be outside when some big dog came barrelling through.
My hand was on the screen door when I looked back and saw the dog vanish right before my very eyes. It was gone for only a matter of seconds before reappearing further up the driveway. This dog kept disappearing and reappearing, never breaking stride, running as fast as it could up my driveway.
I was curious and wanted to see where it would go, so I ran inside and into my bedroom because the window in my bedroom lets me see out into the driveway. That's when I saw the dog run headfirst at the retaining wall at the end of my driveway and disappear into it.
It was like watching the children in Harry Potter running at the wall at platform nine and three quarters. It vanished into this solid, three foot high retaining wall. Above the wall is a fence, to the left a gate leading into my backyard, and to the right my neighbor's fence. It was a dead end. There was nowhere for this dog to go. But that didn't appear to be a problem since this creature can vanish into walls.
We share our physical lives with those in spirit. For life, like love, never dies.
Love knows no limits, not even death.