Right now
The most recent data we hold from NOAA arrived 9 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 19 July 2026 at 02:15 UTC. It is kept here as a record.
It is the 49th strongest of the 93 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 18 at 7:19PM EDT until July 18 at 10:15PM EDT by NWS Charleston WV
Nearby, since 16 March 2026
- September 12, 2026 · score 16 · 9.2 km
- July 18, 2026 · score 34 · 11.6 km
- May 25, 2026 · score 22 · 13.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 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 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) | 22 / 100 |
| Legacy data-support index | 0.59/1 |
| Coordinates | 39.5342, -80.8630 |
| Nearest City | Clarksburg (53 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-18T23:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.2d617a6df56972d62f1b880fce734163 |
Physical priority index · v1. 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: 2026-07-18T23:19:00.000Z.
First archived: 2026-07-18T23:33:32.675Z. 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 | Kanawha, WV; Putnam, WV; Roane, WV; Kanawha, WV; Putnam, WV; Washington, OH; Pleasants, WV; Ritchie, WV; Wirt, WV; Wood, WV and 10 more areas |
| Headline | Flash Flood Warning issued July 18 at 7:19PM EDT until July 18 at 10:15PM EDT by NWS Charleston WV |
| Expires | 2026-07-18T22:15:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 13 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2d617a6df56972d62f1b880fce734163400c6073.001.1","noaa_urn:oid:2.49.0.1.840.0.946186cf21ea0e042860c28bdd5f8d062daa3a13.001.1","noaa_urn:oid:2.49.0.1.840.0.79ebfa0e4ae6c6c8773c9f18991b64a2a01aace7.001.1","noaa_urn:oid:2.49.0.1.840.0.90a869f7a1e4f4849b7cc687298f09db4c12d564.001.1","noaa_urn:oid:2.49.0.1.840.0.b839b5c0bde453c0cf878867ce839ca7b9ec5793.001.1","noaa_urn:oid:2.49.0.1.840.0.e6bfea93f5e986a0c95d3b003193dfa48ec519b9.001.1","noaa_urn:oid:2.49.0.1.840.0.e7c8cdbef46f37850111ba47bf966251260c1372.001.1","noaa_urn:oid:2.49.0.1.840.0.6b2a66c1a446e668eed4839421bb8cdd5418a92f.001.1","noaa_urn:oid:2.49.0.1.840.0.3b86e4249051198b6fead54e404a332b8c856ca0.001.1","noaa_urn:oid:2.49.0.1.840.0.15091fc0b1fa435ffe0e1afb165837db2e0a9849.001.1","noaa_urn:oid:2.49.0.1.840.0.7a52ce243681ad628d45d15c5e1157fac3ab8e2e.001.1","noaa_urn:oid:2.49.0.1.840.0.29f3dcb6cccfb4ca2fe6f104ddfdbf37c21d6a1b.001.1","noaa_urn:oid:2.49.0.1.840.0.bd776a8b642ed73c2863a45b6523f56c383909e9.001.1"] |
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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