My wife and I both saw it. I saw it come into view from the NW and it was moving very fast. It cleared the horizon to the SW at a slightly downward angle.
Location
Address
Clarinda, IA
Latitude
40° 44' 30.98'' N (40.74194°)
Longitude
95° 2' 17.92'' W (-95.03831°)
Elevation
318.079m
Time and Duration
Local Date & Time
2018-07-08 20:40 CDT
UT Date & Time
2018-07-09 01:40 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
94°
Moving
Facing azimuth
115°
First azimuth
292.85°
First elevation
25°
Last azimuth
107.4°
Last elevation
24°
Brightness and color
Stellar Magnitude
-23
Color
Green, Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
10°
Remarks
Smoke trail dissipated within two seconds as it crossed. We saw it leave our field of view.