NHTSA Complaint #11553485 — 2016 FORD FOCUS

I was driving from Roseburg, OR to Sacramento, CA and about 40 minutes prior to arriving in Sacramento, my sunroof exploded. It even sounded like an explosion. The glass appeared to bow upwards and out with a large hole before ng in the middle, and judging by the small amount of glass being held up by the lower part of the sunroof internal cover thingy, it blew outwards. I can only assume it was associated with an elevation change, but I open my windows for short bursts regularly to cycle in fresh air so I don't think that's it. Differential heating between the glass and the solid object holding it perhaps? If the internal glass holding component is being cooled by the AC and the external glass is being heated by the sun/ambient air - I assume it can cause a compression force on the glass. It was a hot day in SAC, but not over 100 degrees. Perhaps a defect in the glass? Either way, major safety concern. If glass had fallen in eyes or the boom occured in traffic I could easily see a crash happening so someone.