Right now
The most recent data we hold from NOAA arrived 8 minutes ago, and this point is in it.
4 other detections within 20 km in the last 24 hours, the nearest 20 km from here.
This alert is in force until 10 September 2026, 11:45 UTC.
It is the 10th strongest of the 20 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued September 10 at 1:46AM EDT until September 10 at 7:45AM EDT by NWS Charleston WV
An estimated 42,982 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 10, 2026 · score 58 · 23.0 km
- August 9, 2026 · score 43 · 24.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 28 out of 100, at 91 % 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 | Medium |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 91% |
| Coordinates | 40.2092, -81.5882 |
| Nearest City | New Philadelphia (33 km) |
| Population Exposed | 43.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T05:46:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.cb76287ab2efc9b2edc0ce94da989c1af15eadbb.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Morgan, OH; Perry, OH; Carroll, OH; Columbiana, OH; Jefferson, OH; Hancock, WV |
| Headline | Flood Warning issued September 10 at 1:46AM EDT until September 10 at 7:45AM EDT by NWS Charleston WV |
| Expires | 2026-09-10T07:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cb76287ab2efc9b2edc0ce94da989c1af15eadbb.001.1","noaa_urn:oid:2.49.0.1.840.0.c48286120a9f29ac84ac7cfd6e0fdbf99c9a5ebb.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Byesville |
| Spc County | Guernsey |
| Spc State | OH |
| Spc Comments | Report of power line down on car along Spruce Avenue. Time estimated based on radar. (PBZ) |
| Iem TypeSummary | D |
| Iem City | Byesville |
| Iem County | Guernsey |
| Iem State | OH |
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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