Right now
The most recent data we hold from NOAA arrived 26 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 21 September 2026 at 10:00 UTC. It is kept here as a record.
No stronger detection stands among the 44 recorded within 20 km of this point since 16 March 2026 — 34 others scored the same. Another comparable one was recorded here earlier the same day. 39 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 21 at 2:40AM EDT until September 21 at 6:00AM EDT by NWS Charleston WV
Urban PEI: 56,035 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 14, 2026 · score 32 · 11.5 km
- June 18, 2026 · 13.1 km
- September 19, 2026 · score 32 · 13.2 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 32 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. 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 |
| Legacy data-support index | 0.92/1 |
| Coordinates | 39.2131, -81.8471 |
| Nearest City | Athens (25 km) |
| Urban exposure index (PEI) | 56.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-21T06:40:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.3f2fdca339f2c7c316a9854729e070d9c51cf403.001.1 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-09-21T06:40:00.000Z.
First archived: 2026-09-21T06:46:32.196Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Morgan, OH; Perry, OH; Braxton, WV; Doddridge, WV; Gilmer, WV; Lewis, WV; Ritchie, WV; Washington, OH; Pleasants, WV; Ritchie, WV; Wood, WV and 14 more areas |
| Headline | Flash Flood Warning issued September 21 at 2:40AM EDT until September 21 at 6:00AM EDT by NWS Charleston WV |
| Expires | 2026-09-21T06:00:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 17 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3f2fdca339f2c7c316a9854729e070d9c51cf403.001.1","noaa_urn:oid:2.49.0.1.840.0.fb9d2dc116ce10736412805fcb113c0d246d9c7d.001.1","noaa_urn:oid:2.49.0.1.840.0.05da33597c5561c80379e1331d817ac9bccd9b64.001.1","noaa_urn:oid:2.49.0.1.840.0.f8ce8031874d4957b495dd216062a0c866fe37da.001.1","noaa_urn:oid:2.49.0.1.840.0.f6e2bd6d7ccbfbbacc9901ecd29cd73440974bcf.001.1","noaa_urn:oid:2.49.0.1.840.0.9321b15b31983c411cb6f83d2b455dfbd5a077ec.001.1","noaa_urn:oid:2.49.0.1.840.0.1f6223d05458914f4ef69f52efc1afe96a92b9ab.001.1","noaa_urn:oid:2.49.0.1.840.0.04b57fb4b6d64db7957dcc13921303215e60855d.001.1","noaa_urn:oid:2.49.0.1.840.0.696418d12bcac8d296a2ad8bcbbd617fe8b264c7.001.1","noaa_urn:oid:2.49.0.1.840.0.bf4824e46e22cd94d11adf40edc061db8bbfc526.001.1","noaa_urn:oid:2.49.0.1.840.0.73b09c07065d0e694b78051d8a26fad79ad83c07.001.1","noaa_urn:oid:2.49.0.1.840.0.341246a742e65d76e285e3bc17fb5f47d45a4b91.001.1","noaa_urn:oid:2.49.0.1.840.0.4b2e77e760e2384ebbed772b2b5c69b8689e2f30.001.1","noaa_urn:oid:2.49.0.1.840.0.5f1d259cefb2c4f3edd2119fde01fee6fb4bd1b5.001.1","noaa_urn:oid:2.49.0.1.840.0.52f6a8920e6985636e7314abe205915bdc7f55a4.001.1","noaa_urn:oid:2.49.0.1.840.0.db4f5c2aac18d003c81910a8dd42f3fdbdbc14c4.001.1","noaa_urn:oid:2.49.0.1.840.0.5438e2dc769f65b41ece88f3a2f902e870b46398.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 4 SSW Elizabeth |
| Spc County | Wirt |
| Spc State | WV |
| Spc Comments | Tree down on Garfield Rd. Time estimated from radar. (RLX) |
| Iem TypeSummary | F |
| Iem City | 1 SSW Athens |
| Iem County | Athens |
| 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.
Review the area, threshold and delivery channel in your account.
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