Reports Report 4296a (Event 4296-2025)

Observer
Name Dee L
Experience Level 1/5
Remarks On the evening of July 18, 2025, between 8:30 and 9:15 PM EST, a series of 2–3 loud booms were heard (and in some cases felt) across Louisville, KY — including in neighborhoods such as Smoketown, Butchertown, Camp Taylor, the Highlands near Bellarmine, and the UofL Hospital area. One of the booms was preceded or accompanied by a sudden flash of light. Community observations: Boom 1: Loudest, accompanied by a bright flash — no visible lightning in the area. Boom 2: Another intense sound, following shortly after. Boom 3: Softer and more delayed — described by some as a “rumble” or structural vibration. Widespread reach: Reports came from several zip codes. No severe weather present. Multiple commenters explicitly stated “It wasn’t lightning.” Although many speculated it was a transformer explosion, the pattern — particularly the flash-plus-boom and wide geographic reach — immediately suggested to me the possibility of a bolide meteor entering and fragmenting in the atmosphere. This kind of flash-then-boom sequence, along with delayed rumbling, aligns with previously documented bolide events. If such an entry occurred, it might have generated an initial light burst, followed by one or more sonic booms as it fragmented or broke the sound barrier. I’ve collected some of the crowdsourced observations from social media (Facebook community scanner groups), if helpful. I also wanted to flag this in case your radar, satellite, or audio arrays picked up data during that window. Please let me know if this aligns with any readings you’ve seen. Thank you for all you do —warm regards,
Location
Address Louisville, KY
Latitude 38° 14' 56.22'' N (38.248949°)
Longitude 85° 44' 27.53'' W (-85.74098°)
Elevation 139.316803m
Time and Duration
Local Date & Time 2025-06-19 01:40 EDT
UT Date & Time 2025-06-19 05:40 UT
Duration ≈7.5s
Direction
Moving direction From down right to up left
Descent Angle 287°
Moving
Facing azimuth 32.73°
First azimuth -
First elevation 42°
Last azimuth 56.31°
Last elevation 39°
Brightness and color
Stellar Magnitude -5
Color Light Yellow, White
Concurrent Sound
Observation Yes
Remarks Big boom
Delayed Sound
Observation Yes
Remarks 2 other booms after
Persistent train
Observation Unknown
Duration -
Length -
Remarks -
Terminal flash
Observation Yes
Remarks Like a transformer blew
Fragmentation
Observation No
Remarks -