ACE-1 Flight 12

19 November 1995

Reported by Don Lenschow

22:30 UT Takeoff from Hobart for stratocumulus mission. Sc overcast at Hobart. 22:38 passing through top of BL at 7.3k ft. top of mixed layer at 3k ft. Classic decoupled BL. 22:51 up to 18k ft. ferry altitude 24:34 start descent across circle 24:41 holding at 10k ft. 24:43 start descent to 100 ft. cloud top at 4.2k ft; cloud base at 3.1k ft. 24:54 start 100 ft. circle 25:24 end circle 25:28 start 1.4k ft. circle 25:58 end circle 26:01 start 3.4k ft. circle 26:31 end circle 26:35 start 3.9k ft. circle 27:05 end circle 27:10 start porpoise at top of BL at 3.8-3.9k ft. 27:19 end porpoise and start climb to 10k ft. 27:23 up to 10k ft. and level for lidar leg 27:35 start spiral descent to 100 ft. BL top at 4k ft. inversion at 1k ft. 27:45 start 100 ft. circle 28:15 end circle. climb to 3.5k ft., which is just below cloud base 28:20 start 3.5k circle 28:50 end circle 28:51 start leg just above BL at 4.6k ft., heading away from circle on constant heading 28:59 heading back to circle at 4.6k ft. 29:04 start ascent to 10k ft. 29:10 level at 10k ft. 29:28 start ascent to 21k ft. 29:38 level at 21k ft. and ferry back to Hobart 30:03 start descent into Hobart from 21k ft. 30:19 land at Hobart