Date: 15 August 2000

UW Flight Number: 1814

Goals of Flight:

1. Underfly Terra overpass (at 0822 UCT) at Skukusa, Kruger National Park, South Africa.
2. Profile of boundary layer near Skukusa.

   Period of Flight (engines on to engines off: UTC): 0655-1115

   Location: Near Skukusa.

   Weather Conditions:

   Broken small cumulus and stratocumulus clouds. Good visibility (about 50 nm).

   Accomplishments:

   Goals #1 and #2 accomplished. Also sampled two small plumes from grass fires and some cumulus clouds about 30 miles west of Skukusa.

   Main Instrument Malfunctions:

   DMT; J-W too high; some problems with CAR. See Squawk list.

   Flight Scientist: Peter Hobbs

    

   Approx. UCT Time (UTC = local time minus 2 hours)	Activity
   0705	Take off
   0705-0711	Climb to 9,000 ft
   0711-0748	Transit to Skukusa in free troposphere at 9,000 ft.
   0748-0820	Descend to 100 ft asl 2 nm west of Skukusa.
   0820-0838	Runs at 100 ft east-west close to Skukusa airport (Terra overpass at 0822 UTC; about 80% low cloud cover).
   0838-0842	Head west 30 nm from Skukusa to find clearer skies for sunphotometer measurements. Climb to 3,000 ft
   0847-0947	Full suite of chemical and physical measurements at 3,000 ft. Measurements should be representive of well-mixed boundary layer. Visibility quite good because of easterly winds and marine air.
   0947-1015	Sampled smoke from two small grass fires.
   1015-1036	Some cloud penetrations.
   1036-1039	Climb to 9,000 ft
   1039-1102	Transit to Pietersburg at 9,000 ft.
   1102-1109	Descent to Pietersburg.
   1109	Land.

   END