Good idea. No major errors in grammar. Even if the tense was wrong or the spelling, I could still understand what you meant.

This was actually a really good idea for a story and I enjoyed it :)

Sometimes though you slip in and out of past / present tense and sometimes you use the wrong words to explain what's happening but of course I can still get the reference . I know that English isn't your first language so you've actually done really well but I thought I'd let you know .

Again , I enjoyed it :)

This was a really interesting idea for a story! I'd never thought of that before!

I like the idea of JJ being a secret adrenaline junkie, and I love the episode that this fic was about.
I know you probably don't know much about the United States' geography or weather patterns, so I don't want to burst your bubble, but it is very rare for big tornados to hit the area of the country where JJ went to college. If you look at a U.S. map, the area known as "tornado alley" covers mostly Oklahoma, Texas, Kansas, Nebraska, Missouri, and South Dakota (other areas of the country do get tornados sometimes but they usually aren't too severe). That episode takes place in that area of the country that gets a lot of tornados.
Also, it is very unlikely that a person who had been in a coma for six months would have no health problems later on. I know a girl who was in a coma for about 2 or 3 months after a serious car accident. She has permanant brain damage and it has altered her life completely.

It is great! However, there were a few spelling and grammatical errors. But keep up the great work!

awww i really liked this :)