[villagetinker]

While I not an expert, I have repaired several cars, and painted the last 7 myself. The newer cars are a base coat / clear coat, and as noted above, the clear coat is being damaged. If you are handy, and have time, and SHADE, you could very gently wet sand the clear off, and apply a new clear coat.
There are lots of pit falls here.
1. The base coat is very thin, it will be real easy to sand right thru to the primer.
2. Not are clear coats are compatible with all base coats, however, I have found the duplicolor products to generally work well.
3. You should use 800 grit (wet/dry) or higher sand paper, with water, sand a little, dry well, see where you are, and repeat if necessary.
4. Even though the clear coat is clear, you will need to properly mask the car so you get paint only where you want it.
5. Florida weather WILL give you all kinds of problems if you spray the paint yourself, with the biggest problem being the humidity. If the humidity is too high, the clear will actually fog when you apply it.

On the flip side, if it is only the roof, a good paint shop should be able to paint just that area and match the remainder of the car.
Hope this helps.