I have been searching the internet for any info since it happened. I did have one person with me that only saw the hillside flash.
Location
Address
Cashmere, WA
Latitude
47° 31' 6.5'' N (47.518471°)
Longitude
120° 32' 2.01'' W (-120.533891°)
Elevation
351.786072m
Time and Duration
Local Date & Time
2019-08-23 00:00 PDT
UT Date & Time
2019-08-23 07:00 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
119°
Moving
Facing azimuth
306.62°
First azimuth
296.08°
First elevation
49°
Last azimuth
320.15°
Last elevation
31°
Brightness and color
Stellar Magnitude
-8
Color
Light Yellow
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Yes
Remarks
About a quarter of a second after the ball lit up I heard a boom. And about 2 seconds after the ball went behind the hill I heard a boom and saw a semi-dim flash of light around the hillside.
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
The hillside had a semi-dim flash of light around the hillside for about half a second