Yes, the pool(s) will close during lightning storms.
The bubble is not protected from lightning strikes and is therefore considered an outdoor pool.
Current operating procedure is as follows; At the first signs of lightning or thunder, the pool(s) will be evacuated. If the staff sees lightning, hears thunder or the lightning detector indicates a strike closer than 8 miles; the pool(s), surrounding deck and grassy areas will be cleared. The pool(s) will remain cleared for at least 30 minutes after the last observed lightning or thunder. Patrons should leave the pool(s) and the surrounding area. Seek shelter inside the lobby and racquetball area.