These types of dreams are nothing to worry about. Just take your dreams a bit more seriously, depending on how often this happens. And, you are not alone, it's just that many people don't like to see coincedences like that. Or, if they do, they might think that it is only them, and they better be quiet. If I were you, I would start making a dream journal to find any patterns of dreams that come true, or repeating factors in lots of dreams, and adding to it right when I woke up.
Any advice on how to tell my daughter she has this gift as well? Her father and I are divorced, she is 7. I tried to tell him, he laughed in my face. I'm afraid if I tell her she'll be upset and her dad will make it worse. It's important she knows. She dreamt the tornado that destroyed our home in April. Lucky she told me so I knew to be ready. Her dad has convinced her I'm nuts though.
is there any immediate need to explain this to her? she is only 7 and may not be able to even grasp what you are telling her. perhaps just establishing that dreams are special and shareing them is enough for now. persisting with her about it may convice her fathers point more. if she has the gift then thats great :) but she will figure it out eventually and come to you for answers.
The evidence needed to prove that a dream was prophetic really depends upon the dreamer and who is willing to believe them. What makes a dream prophetic really depends upon belief, belief of the dreamer and the belief of the audience (who the dreamer tells).
The best way to know if a dream is prophetic is to have a better understanding of your dreams and the meanings of elements in your dreams. Yet since dreams can range in occurrence there isnt a catch-all for determining if a dream is prophetic in absolute terms. A person may not recall any of their dreams and then all of a sudden is able to recall one dream that has bearing on events in their life or the world around them. Another person may never seem to have a prophetic dream at all. The value a person gives to their dreams also has bearing on their interpretation and importance. From what I have gathered from personal research is that prophetic dreams tend to be vivid, detailed (specific items stick out), emotional and may cause a sense of urgency or concern in the dreamer depending on the kind of prophetic dream. Recording your dreams even just a word or phrase can help a great deal in remembering future dreams. The more you pay attention to your dreams the more you will learn about them and yourself.
Please do not forget that every dream might have a meaning or something to "tell" you, it all depends on what you think and have in your mind. Please notice that not all what happens in a dream has a direct meaning / interpretation, sometimes you have to look at dream differently and see if it is something in your Subconscious which causes the dream. Feelings and emotions, worries and fears are most likely the stuff that cause your dream, try to think of what you have in your mind.