I am an atheist, science loving, skeptic who doesn't believe in anything paranormal period. Having said that, I have to say that this is absolutely real. No, I have no explanation, and hope that science will one day be able to explain it, but it has happened to me so often, and with such clarity, that I have to admit it. Being a science nerd, when these happen to me, I have insisted on documentation, at least in the amateur way I can get it. Mine came in the form of dreams, but not like other dreams. They are not emotional in any way, except for the awareness that important information is coming through (that is the only way to explain it).
As close to scientific method as I can get, I keep a journal by my bed and write down the details as soon as I can. Then, to prevent the Nostradamus effect (where people look back and try to fit details after the fact) I make my husband put the journal in his work bag and take it out of the house with him. If he is away, I call and tell him the detail first thing in the morning. Sure enough, usually before the day was out, events have transpired that fit my journal entries so closely as to rule out coincidence.
Now, the details never come clearly enough that I can do a damn thing about them, so it is not a fun thing - it is a freakin' albatross that I wish I could cut loose from. These were no small events, and I don't really think I "see" them, as much as there was some weird glitch in time and I feel certain details spill through. Really, I'm a science nerd and I'm reaching to explain it, but frankly, I can't.
One bizarre example was a "dream" that I even hesitated to write down. The imagery was so crazy, I thought my feeling of it being a message dream was distorted. I saw a shark coming out of the roof of a tour bus pulling up to my old office building (I worked at a radio station). The building was on fire, with fireworks shooting out of the flames. F-ing crazy until the next night when The Station Bar in Rhode Island burned down when the band Great White set off fireworks and around 100 people died.
I also "saw" the Columbia shuttle explosion, several plane crashes, the ferry sinking in NY, a train crash in N. Korea (I knew nothing about N. Korea at the time) and several others. I have never talked about it with anyone except my husband and my little journal.
Now, again, I don't ever use the word psychic, because it doesn't feel like that to me. I also am not sure it is related to PTSD in a true cause/effect relationship. However, I am open to the possibility that whatever part of our brains allow this may also somehow "prime" us for PTSD. Perhaps we feel differently and therefore perceive things differently? I truly don't know and doubt science and brain research will be able to answer these questions in our lifetimes.
The only possible connection I have noticed is that the dreams actually subside when my PTSD is at its worst. I haven't had any recently, almost as if my brain realizes that my cup is full and I can't handle any more stimulation. ????
Frankly, I only shared in the event there are others out there experiencing something like this and think they're crazy. For me, it is a frustrating experience only made worse by my heightened sensitivity to things. It only reinforces for me that there is so little we know about our little lizard brains. Out Damn Spot!