Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
4 other detections within 20 km in the last 24 hours, the nearest 5 km from here.
This alert expired on 10 September 2026 at 02:15 UTC. It is kept here as a record.
It is the 4th strongest of the 80 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 20 August 2026.
What the source measured
NOAA reported: Tornado Warning issued September 9 at 9:47PM EDT until September 9 at 10:15PM EDT by NWS Pittsburgh PA
Nearby, since 16 March 2026
- June 11, 2026 · score 16 · 4.7 km
- September 10, 2026 · score 46 · 5.4 km
- June 25, 2026 · score 58 · 7.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 61 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 61% |
| Coordinates | 39.9350, -81.4217 |
| Nearest City | Zanesville (50 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-10T01:47:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1683570b312c34e43171a8ef332bfffe9251281e.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Belmont, OH; Guernsey, OH; Monroe, OH; Noble, OH |
| Headline | Tornado Warning issued September 9 at 9:47PM EDT until September 9 at 10:15PM EDT by NWS Pittsburgh PA |
| Expires | 2026-09-09T22:15:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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