| Observer |
|
Name |
Kacey P |
|
Experience Level |
3/5
|
|
Remarks |
My son also witnessed this event and the boom was heard by 7 others. |
| Location |
|
Address |
Casey, IA |
|
Latitude |
41° 30' 26.72'' N (41.507423°)
|
|
Longitude |
94° 30' 46.71'' W (-94.512976°)
|
|
Elevation |
392.944611m |
| Time and Duration |
|
Local Date & Time |
2021-08-12 20:40 CDT
|
|
UT Date & Time |
2021-08-13 01:40 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From up left to down right |
|
Descent Angle |
97° |
| Moving |
|
Facing azimuth |
197.78° |
|
First azimuth |
147.82° |
|
First elevation |
81° |
|
Last azimuth |
198.68° |
|
Last elevation |
85° |
| Brightness and color |
|
Stellar Magnitude |
-15 |
|
Color |
Red, White |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
Yes |
|
Remarks |
Sounded like a huge thunder boom first but a low rumble that lasted for about a minute or more followed the loud boom. |
| Persistent train |
|
Observation |
Yes |
|
Duration |
1s |
|
Length |
80° |
|
Remarks |
As it fell it was a typical glowing train that then almost appeared to sputter out. Similar to this "- - - -" |
| Terminal flash |
|
Observation |
No |
|
Remarks |
- |
| Fragmentation |
|
Observation |
Unknown |
|
Remarks |
- |