This flight was carried out in support of the AIRS2 program. The Citation took off from Bangor at 1624Z, arriving over Mirabel at 35,000 ft at about 1730Z. A spiral descent was made over the runway intersection down to 4,000 ft. Clouds were not encountered until about 7200 ft, where there was a layer about 1000 ft thick. The lower clouds had tops slightly above 4,000 ft, but variable. Several measurement passes were made along the runway at 4,000 ft going in and out of cloud along the way. In cloud, the Citation encountered light to moderate rime ice and liquid water contents of 0.1 to 0.4 g/m3. This was followed by a missed approach over the runway from 4,000 ft. The cloud extended down to slightly below 2,000 ft. This was followed by passes at 7,000 ft going west to east and missed approaches from 7,000 ft over the runway going east to west. This profile was carried out several times In general, the liquid water content was higher in the upper cloud layer, with larger mean values of the droplet sizes. There were a few ice crystals in both layers, but the clouds were composed primarily of water droplets. The clouds were well characterized by the measurements in the horizontal as well as the vertical.
VISST Icing Intensity Image (30 Nov 03 18:15 Z) showing Univ ND Citation flight track |
Citation tracks on: Cloud Phase Droplet Radius 10.7 um BT Eff. Cloud Height Icing Intensity |
UND Citation Flight Track overlayed on VISST Cloud Products
- JavaScript Loops:
Icing Intensity, Cloud Phase, Droplet Radius, 10.7 um BT, Eff. Cloud Height - Animated GIF Loop:
Icing Intensity, Cloud Phase, Droplet Radius, 10.7 um BT, Eff. Cloud Height - Icing Intensity Images:
16:15, 16:45, 17:15, 17:45, 18:15, 18:45, 19:15, 19:45, 20:15 - Cloud Phase Images:
16:15, 16:45, 17:15, 17:45, 18:15, 18:45, 19:15, 19:45, 20:15 - Droplet Radius Images:
16:15, 16:45, 17:15, 17:45, 18:15, 18:45, 19:15, 19:45, 20:15 - 10.7 um Brightness Temperature Images:
16:15, 16:45, 17:15, 17:45, 18:15, 18:45, 19:15, 19:45, 20:15 - Effective Cloud Height Images:
16:15, 16:45, 17:15, 17:45, 18:15, 18:45, 19:15, 19:45, 20:15
VISST GOES-12 Derived Cloud Products
VISST GOES-12 Flight Track Matched Cloud Products
Aircraft Navigation Data:
- Citation navigation and meteorological data written in NASA Ames format
