 Table XI a - Page 83
Airport in Calhoun, Georgia; October 8, 1987;
(Magnetic Declination = 2°W: Subtract 2° for True Bearing, True
Heading and True Wind Direction) |
Num. |
Species |
Time |
Flight Behavior |
Weather |
Field Notes |
I |
II |
III |
IV |
Va |
Vb |
Part 1 |
Part 2 |
Part 3 |
Est.
Alt. |
Type
of Flt. |
Horiz.
Flt. |
Vert.
Flt. |
Mag.
Bear. |
Mag.
Head. |
Wind
Dir. |
Wind
Vel. |
Amb.
Temp |
Thrm.
Act. |
Cloud
Types |
Start |
- |
8:04 |
- |
- |
- |
- |
- |
- |
calm |
- |
4.5°C |
- |
- |
- |
- |
- |
8:11 |
- |
- |
- |
- |
- |
- |
180° |
1.8 m/s |
- |
- |
- |
WW: No targets were detected. |
- |
- |
8:16 |
- |
- |
- |
- |
- |
- |
- |
- |
7.0°C |
- |
- |
Upper wind was NNW, surface wind was S. |
- |
- |
8:30 |
- |
- |
- |
- |
- |
- |
calm |
- |
9.0°C |
- |
clear |
No activity. |
Break |
- |
8:48 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
High scans through binoculars were unproductive. |
Resume |
- |
8:51 |
- |
- |
- |
- |
- |
- |
64° |
2.0 m/s |
11.5°C |
yes |
- |
Large flock of swifts were foraging. |
- |
- |
9:03 |
- |
- |
- |
- |
- |
- |
04° |
5.8 m/s |
- |
- |
- |
- |
- |
- |
9:05 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
WW: Radar was detecting small targets. |
Break |
- |
9:18 |
- |
- |
- |
- |
- |
- |
- |
- |
12.5°C |
- |
- |
WW: Radar indicated butterfly-like targets at 160 m, moving
at speed of wind drift. John Westbrook saw a D. plexippus flapping at 2 m and
Wayne wolf saw one at 7 m. |
Resume |
- |
9:24 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
386 |
D. plexippus |
9:30 |
15 m |
flap,
glide,
soar |
straight,
circle |
descend,
climb,
level |
201° |
- |
348° |
4.0 m/s |
12.5°C |
yes |
- |
Butterfly was flapping at 15 m. It glided down and began
flapping, flapped up to 15 m again, found a thermal began soaring and circling. |