Sonic boom was about 90-120 seconds after the visual event.
Location
Address
Eureka, MO
Latitude
38° 29' 25.79'' N (38.490496°)
Longitude
90° 38' 15'' W (-90.637499°)
Elevation
206.737m
Time and Duration
Local Date & Time
2017-09-12 01:25 CDT
UT Date & Time
2017-09-12 06:25 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
130°
Moving
Facing azimuth
50°
First azimuth
120°
First elevation
75°
Last azimuth
45°
Last elevation
50°
Brightness and color
Stellar Magnitude
-14
Color
Light Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Yes
Remarks
2 booms with subsequent trailing noise. Sounded like train cars crashing and eventually like thunder in the distance
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Flashed like two bolts of lightning. A "ball" / explosion best describes what I saw in the sky, lightning is what it looked like all around us on the ground.
