Right now
The most recent data we hold from NOAA arrived 4 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 23 June 2026 at 00:30 UTC. It is kept here as a record.
It is the 8th strongest of the 31 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 22 at 5:36PM EDT until June 22 at 8:30PM EDT by NWS Charleston WV
Urban PEI: 27,648 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- June 11, 2026 · score 32 · 13.0 km
- June 6, 2026 · score 58 · 14.4 km
How we know
7 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.88/1 |
| Coordinates | 39.8799, -80.6917 |
| Nearest City | Wheeling (20 km) |
| Urban exposure index (PEI) | 27.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-22T21:36:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.859c2082b0fd06396f713e678a2e2d73 |
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: 2026-06-22T21:36:00.000Z.
First archived: 2026-06-22T22:18:33.469Z. 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 | Washington, OH; Tyler, WV; Belmont, OH; Guernsey, OH; Monroe, OH; Noble, OH; Washington, PA; Brooke, WV; Marshall, WV; Ohio, WV; Fayette, PA; Greene, PA; Washington, PA; Westmoreland, PA |
| Headline | Flash Flood Warning issued June 22 at 5:36PM EDT until June 22 at 8:30PM EDT by NWS Charleston WV |
| Expires | 2026-06-22T20:30:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.859c2082b0fd06396f713e678a2e2d73a3e02cfe.001.1","noaa_urn:oid:2.49.0.1.840.0.d2c41d517d7fde2d24ddef7fa3530df29ba2939e.001.1","noaa_urn:oid:2.49.0.1.840.0.8f784cf5a27714b17dcd76d82c69c59a9a9014a2.001.1"] |
| Iem TypeSummary | F |
| Iem City | 2 SSW West Liberty |
| Iem County | Ohio |
| Iem State | WV |
| Iem Wfo | PBZ |
| Iem Remark | Roads closed due to flash flooding. |
| MergedSources | [{"id":"iem_F_40.080_-80.680_1782160260000","source":"iem","severity":"low","severityValue":25,"timestamp":1782160260000,"latitude":40.08,"longitude":-80.68},{"id":"iem_F_40.080_-80.720_1782160800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782160800000,"latitude":40.08,"longitude":-80.72},{"id":"iem_F_40.060_-80.720_1782161160000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161160000,"latitude":40.06,"longitude":-80.72},{"id":"iem_F_39.910_-81.290_1782163860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782163860000,"latitude":39.91,"longitude":-81.29},{"id":"iem_F_39.910_-81.280_1782164040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782164040000,"latitude":39.91,"longitude":-81.28},{"id":"iem_F_40.140_-80.610_1782160800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782160800000,"latitude":40.14,"longitude":-80.61}] |
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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