Fireball lights up western Washington skies
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
The brief
"Fireball lights up western Washington skies" is generating significant coverage in the Science category, with 4 articles from 4 distinct sources tracked by PULSE so far.
Outlets currently covering the story include NBC 5 Chicago, ABC7 Chicago, KIRO 7 News Seattle and king5.com. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.
This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.
Generated by PULSE's extractive engine from coverage metadata only — no AI-written claims. Updated 1d ago.
Quick answers
Why is "Fireball lights up western Washington skies" trending?
Because 4 independent news sources published 4 articles about it in a short window — a coverage burst PULSE classifies as a trend.
How does PULSE measure this trend?
PULSE scores velocity from the rate of new articles weighted by source diversity, snapshotted hourly. The full method is public on our methodology page.
Is this trend still active?
The status badge on this page updates hourly: rising, peaking, cooling, or archived once coverage stops for 48 hours.
Coverage (4)
- Possible meteor lights up sky over Chicago suburbs NBC 5 Chicago · 1d ago
- Possible Montgomery, Illinois meteor explosion reported; American Meteor Society to make determination ABC7 Chicago · 1d ago
- Did you see it? Fireball lights up the sky over WA KIRO 7 News Seattle · 1d ago
- Fireball lights up western Washington skies king5.com · 1d ago
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