 Table XII g - Page 96
Airport in Calhoun, Georgia; October 9, 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 |
436 |
D. plexippus |
- |
320 m |
soar |
- |
- |
W |
- |
- |
- |
- |
yes |
- |
John Westbrook and Wayne West observation: John
saw butterfly fly past air sonde balloon. Radar showed range was 640 m and altitude
was 320 m. There was also an abundance of other targets. |
437 |
P. sennae |
2:47 |
2 m |
flap |
straight |
level |
262° |
right |
087° |
1.8 m/s |
- |
- |
- |
Butterfly varied between 1 and 2 meters. |
- |
- |
2:52 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
WW: Targets were increasing in numbers and were
being detected up to 900 m. |
- |
- |
2:57 |
- |
- |
- |
- |
- |
- |
- |
- |
23.5°C |
- |
- |
- |
- |
- |
3:00 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
D. plexippus were now at the limit of
observation though binoculars at current visibility conditions - approximately 250 m.
Swifts were foraging at 120 m. |
- |
- |
3:16 |
- |
- |
- |
- |
- |
- |
120° |
1.6 m/s |
- |
- |
- |
A thermal full of swifts drifted through field site. |
- |
- |
3:19 |
- |
- |
- |
- |
- |
- |
- |
- |
21.5°C |
- |
- |
WW: Radar still showed high targets. |
Break |
- |
3:25 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
I checked flowers for foraging D. plexippus -
none were found. |