Right now
The most recent data we hold from NOAA arrived 12 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 15 km from here.
This alert expired on 13 September 2026 at 05:00 UTC. It is kept here as a record.
It is the 35th strongest of the 83 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 12 at 10:29PM EDT until September 13 at 1:00AM EDT by NWS Charleston WV
An estimated 63,894 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 12, 2026 · score 39 · 1.3 km
- June 12, 2026 · score 39 · 1.7 km
- July 22, 2026 · score 63 · 7.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 32 out of 100, at 86 % 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) | 32 / 100 |
| Our confidence | 86% |
| Coordinates | 38.0453, -81.4765 |
| Nearest City | Charleston (36 km) |
| Population Exposed | 63.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-13T02:29:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.247a1bdb6a8f29541231dffec9e0cf870e7ff155.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Buchanan, VA; Logan, WV; McDowell, WV; Mingo, WV; Wyoming, WV; Buchanan, VA; Braxton, WV; Calhoun, WV; Clay, WV; Gilmer, WV; Lewis, WV; Roane, WV and 1 more areas |
| Headline | Flash Flood Warning issued September 12 at 10:29PM EDT until September 13 at 1:00AM EDT by NWS Charleston WV |
| Expires | 2026-09-13T01:00:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.247a1bdb6a8f29541231dffec9e0cf870e7ff155.001.1","noaa_urn:oid:2.49.0.1.840.0.17dcb0d0ebfdb0b1e7f521ccf7e95d42e0f328aa.002.1","noaa_urn:oid:2.49.0.1.840.0.6f462de86e7745b1fcc8fe84f6c060b8c043931d.001.1","noaa_urn:oid:2.49.0.1.840.0.89dd78c5ce91c45faf6ff23ddda0beed7ba8520d.001.1"] |
| Iem TypeSummary | F |
| Iem City | 7 SE Clendenin |
| Iem County | Clay |
| Iem State | WV |
| Iem Wfo | RLX |
| Iem Remark | Water over Falling Rock Rd. Video provided. |
| MergedSources | [{"id":"iem_F_38.460_-81.240_1789249200000","source":"iem","severity":"low","severityValue":25,"timestamp":1789249200000,"latitude":38.46,"longitude":-81.24},{"id":"iem_F_38.450_-81.230_1789248600000","source":"iem","severity":"low","severityValue":25,"timestamp":1789248600000,"latitude":38.45,"longitude":-81.23},{"id":"iem_F_38.410_-81.260_1789249500000","source":"iem","severity":"low","severityValue":25,"timestamp":1789249500000,"latitude":38.41,"longitude":-81.26}] |
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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