It looked just like the fireballs you see in the dash cam videos from Russia, really bright, no sound. I called 911 right after the event to report it as well.
Location
Address
Ferndale, WA
Latitude
48° 50' 51.53'' N (48.847646°)
Longitude
122° 34' 26.69'' W (-122.574081°)
Elevation
8.757002m
Time and Duration
Local Date & Time
2015-05-30 02:29 PDT
UT Date & Time
2015-05-30 09:29 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
99°
Moving
Facing azimuth
238.3°
First azimuth
216.32°
First elevation
33°
Last azimuth
287.46°
Last elevation
20°
Brightness and color
Stellar Magnitude
-27
Color
Light Blue, Light Green, Orange, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
The flash was very bright, and then it broke into approximately 4 or 5 pieces
Fragmentation
Observation
Yes
Remarks
After fragmentation, the pieces very quickly winked out.