Crystalaire Airport, on the north side of the San Gabriel Mts at 2:30 pm, on Saturday 9-5-09, looking east. The smoke cloud, moved in over the airport at about 11:00 am, and the soaring had to be cancelled for the rest of the day. Ron, who's been soaring here off and on for 40 years, said this was the first time they had to shut down due to smoke.