I think this may have been a fireball but it was a very bizarre sighting. It looked like many videos of fireballs I've seen, but it appeared and disappeared more abruptly.
Location
Address
Granite Falls, WA
Latitude
48° 3' 21.29'' N (48.055913°)
Longitude
121° 46' 48.74'' W (-121.780206°)
Elevation
1424.495728m
Time and Duration
Local Date & Time
2020-08-16 00:40 PDT
UT Date & Time
2020-08-16 07:40 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
119°
Moving
Facing azimuth
179.02°
First azimuth
133.63°
First elevation
43°
Last azimuth
140.63°
Last elevation
32°
Brightness and color
Stellar Magnitude
-13
Color
Blue
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
The fireball appeared suddenly and then disappeared suddenly with a flash, a few seconds later