Right now
The most recent data we hold from NOAA arrived 87 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 4 September 2026 at 01:30 UTC. It is kept here as a record.
It is one of only 2 we have recorded within 20 km of this point since 13 May 2026. The last comparable one was on 22 August 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 3 at 8:40PM EDT until September 3 at 9:30PM EDT by NWS Charleston WV
Urban PEI: 27,648 within a heuristic 50 km radius; not unique people.
Nearby, since 13 May 2026
- June 6, 2026 · 2.2 km
- June 7, 2026 · 16.8 km
- September 13, 2026 · score 28 · 17.0 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 40 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 40 / 100 |
| Legacy data-support index | 0.91/1 |
| Coordinates | 39.8014, -80.7915 |
| Nearest City | Wheeling (29 km) |
| Urban exposure index (PEI) | 27.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T00:40:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a75378e0324a1b8387f7a4a6830c5a2f468f7346.001.1 |
Physical priority index · v4 (historical). 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: 2026-09-04T00:40:00.000Z.
First archived: 2026-09-04T00:42:13.748Z. 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 | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Doddridge, WV; Pleasants, WV; Ritchie, WV; Tyler, WV; Belmont, OH; Jefferson, OH; Washington, PA; Brooke, WV; Marshall, WV; Ohio, WV |
| Headline | Severe Thunderstorm Warning issued September 3 at 8:40PM EDT until September 3 at 9:30PM EDT by NWS Charleston WV |
| Expires | 2026-09-03T21:30:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a75378e0324a1b8387f7a4a6830c5a2f468f7346.001.1","noaa_urn:oid:2.49.0.1.840.0.d3ed404004bf8de5189d70e3d821453ca71657ec.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 150 |
| Spc Location | 1 ESE Bethany |
| Spc County | Brooke |
| Spc State | WV |
| Spc Comments | (PBZ) |
| Iem TypeSummary | D |
| Iem City | 4 SSW Friendly |
| Iem County | Pleasants |
| Iem State | WV |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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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