Right now
The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 10 July 2026 at 19:45 UTC. It is kept here as a record.
It is the 5th strongest of the 63 detections recorded within 20 km of this point since 22 March 2026. The last comparable one was on 5 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 10 at 12:51PM EDT until July 10 at 3:45PM EDT by NWS Pittsburgh PA
An estimated 27,648 people live within 50 km of this point.
Nearby, since 22 March 2026
- August 7, 2026 · score 34 · 14.0 km
- May 24, 2026 · score 22 · 17.0 km
- September 10, 2026 · score 46 · 20.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 40.0300, -81.1600 |
| Nearest City | Wheeling (38 km) |
| Population Exposed | 27.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-10T16:51:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a2555866c6bd891f81623a5f4985f61e736da721.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Belmont, OH; Guernsey, OH |
| Headline | Flash Flood Warning issued July 10 at 12:51PM EDT until July 10 at 3:45PM EDT by NWS Pittsburgh PA |
| Expires | 2026-07-10T15:45:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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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