 Table IX b - Page 62
Airport in Calhoun, Georgia; October 6, 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 |
- |
- |
9:00 |
- |
- |
- |
- |
- |
- |
173° |
3.1 m/s |
15.5°C |
- |
- |
- |
- |
- |
9:06 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
WW: Radar was not detecting any targets. High scans
with binoculars were also negative. |
- |
- |
9:16 |
- |
- |
- |
- |
- |
- |
153° |
- |
- |
- |
- |
Direction of drift of released balloon indicated wind is 160°. |
- |
- |
9:25 |
- |
- |
- |
- |
- |
- |
148° |
3.1 m/s |
- |
- |
- |
- |
307 |
D. plexippus |
9:40 |
1 m |
flap |
straight |
level,
landed |
304° |
left |
- |
- |
- |
- |
cumulo-
stratus |
At 9:38 two D. plexippus were seen flying by the van at 1 m
above the ground. Overcast is breaking up and cumulus is developing. |
- |
- |
9:42 |
- |
- |
- |
- |
- |
- |
154° |
4.0 m/s |
18.5°C |
- |
- |
A D. plexippus was seen at 100 m. Balloon showed that
there is a strong wind shear aloft, swinging from from SE near the ground to SW aloft. |
- |
- |
10:06 |
- |
- |
- |
- |
- |
- |
191° |
5.8 m/s |
21.5°C |
- |
Broken
cumulus |
High scans through binoculars were not productive |
- |
- |
10:32 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
yes |
- |
WW: Radar shows possible low targets. Swifts were
foraging. |
308 |
D. plexippus |
- |
30 m |
flap,
soar,
glide |
straight,
circle,
straight |
climb,
descend |
345° |
- |
197° |
3.1 m/s |
- |
yes |
- |
Butterfly was flapping up when it found a thermal, circled and
soared to 30 m, then stopped circling and glided down to 20 m. |