Reports Report 3955i (Event 3955-2017)

Observer
Name Seattle A
Experience Level 3/5
Remarks I didn't leave my real name as I wish to remain anonymous but that is a working email for me. It was the best single meteor I've ever seen but it probably doesn't count as some amazing fireball of any record.
Location
Address Medina, WA
Latitude 47° 38' 20.08'' N (47.63891°)
Longitude 122° 14' 45.39'' W (-122.245941°)
Elevation -8.685743m
Time and Duration
Local Date & Time 2017-10-24 19:40 PDT
UT Date & Time 2017-10-25 02:40 UT
Duration ≈3.5s
Direction
Moving direction From up left to down right
Descent Angle 148°
Moving
Facing azimuth 284.03°
First azimuth -
First elevation 53°
Last azimuth 288.47°
Last elevation 24°
Brightness and color
Stellar Magnitude -8
Color White
Concurrent Sound
Observation Unknown
Remarks -
Delayed Sound
Observation Unknown
Remarks -
Persistent train
Observation Yes
Duration 3s
Length 40°
Remarks Looked like a dust or smoke trail, nothing was glowing in it.
Terminal flash
Observation Yes
Remarks I saw 2 flashes, one when it entered my view, then it traveled between 30-40 degrees and flashed when it broke up again at the bottom.
Fragmentation
Observation Yes
Remarks It was a burst, like the rock split and burned for another few tenths of a second before it went out.