Residents across parts of western Pennsylvania and eastern Ohio reported a startling boom and a bright streak in the sky on Tuesday morning, prompting 911 calls and questions to local emergency agencies. At about 9 a.m. ET (1300 GMT), emergency officials contacted the National Weather Service asking "what the heck?", according to Bill Modzelewski, an NWS meteorologist based in Pittsburgh.
The NWS said its satellite observations and the volume of eyewitness reports support the conclusion that the phenomenon was likely a meteor entering the atmosphere. "We’re receiving reports across western Pennsylvania and eastern Ohio of a loud boom and a fireball in the sky. Our satellite data suggest it was possibly a meteor entering the atmosphere," the agency posted online.
Laurence Garvie, research professor and curator at the Buseck Center for Meteorite Studies at Arizona State University, identified Medina - roughly 40 miles southwest of Cleveland - as the likely location where fragments may have reached the ground. Garvie said those who find remnants there will probably encounter numerous small, dark stones.
Garvie described the source of the boom as the object breaking the sound barrier while traveling at extremely high speeds, estimating a range between 25,000 and 160,000 miles per hour. The American Meteor Society recorded more than 100 reports of the fireball, according to the online site EarthSky.
Responding to the influx of inquiries, Garvie said, "I’ve been getting calls and texts all morning. This is very exciting for us." He added a reminder of the scientific value of such finds: "They may just look like black stones on the ground, but you can actually hold something older than the Earth. Something from outer space. And we can learn new things from them."
Observers reported the bright streak and accompanying sounds from a broad area, with sightings described as far away as Virginia and as distant as Canada. Authorities and researchers characterized the event as consistent with a meteorite event, while details about recovered fragments and formal confirmation of the landing site remained pending.
Summary
Early reports, eyewitness accounts and satellite data indicate a meteor entered the atmosphere above parts of Ohio and Pennsylvania on Tuesday morning, producing a visible fireball and a loud boom. Scientists point to Medina, Ohio, as the likely area where fragments may have fallen.
Key points
- Eyewitnesses across western Pennsylvania and eastern Ohio reported a loud boom and a fireball; sightings extended to Virginia and Canada.
- The National Weather Service cited satellite data suggesting a meteor entered the atmosphere; local emergency officials contacted the NWS around 9 a.m. ET (1300 GMT).
- Researchers identified Medina, about 40 miles southwest of Cleveland, as the probable landing area for meteor fragments; the American Meteor Society logged over 100 reports.
Risks and uncertainties
- Confirmation of the exact landing site and the recovery of fragments remained uncertain - this affects scientific analysis and any potential local impacts (relevant to scientific research and local authorities).
- The scale and distribution of fragments were not yet established, leaving open questions about any property impact or safety considerations in affected communities (relevant to emergency services and local governments).