Background
At 11:55 p.m. on April 11, 2015, a minivan driver was crossing the San Mateo Bridge near Hayward, California. Extensive maintenance work had brought traffic to a standstill, leaving the driver and his Ukrainian passenger stuck on the bridge for about 40 minutes. When traffic began moving again, he accelerated and drove across the bay at about 70 miles per hour.
The Sighting
As the vehicle sped along, a sudden burst of bright green light flooded the minivan’s cabin, making it impossible to see the dashboard or the road through the windshield. The driver initially thought the light came from a row of work lights, so he hit the brakes and leaned out the window to find its source. About 500 feet above the water, he saw a giant green disk roughly 100 yards (about 91 meters) across, larger than a football field. Green light poured from the object’s underside. It suddenly rotated, exposing the entire bottom while its top remained hidden.
What Makes This Sighting Stand Out?
The account includes several unusual details:
- A specific size – At about 100 yards across, the object was exceptionally large for a sighting of distant lights.
- A piercing green light – The light was so intense that the car’s dark dashboard disappeared from view, a phenomenon reported only rarely.
- Movement alongside traffic – The object traveled parallel to the vehicle at the same speed, suggesting coordinated activity or, at the very least, precise maneuverability.
- Heavy traffic conditions – The driver had been stuck in traffic for a long time and accelerated only after it began moving again, adding complexity to the incident.
The account was written by someone who says he is an investigator with a strong visual memory. He describes the light and shape in detail, including two concentric rings around the edge of the disk.
Summary
The report is unverified, but it contains precise details—a location, a time, a description of a green light, and the shape of a giant disk—that make it relevant to the study of unexplained sightings. No similar phenomenon has been reported in the area since, and the account continues to intrigue enthusiasts of unusual aerial phenomena.
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This file presents only the account as submitted, without making any claims about the object’s origin or nature.
