Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
This alert expired on 21 September 2026 at 23:15 UTC. It is kept here as a record.
What the source measured
NOAA reported: Tornado Warning issued September 21 at 6:49PM EDT until September 21 at 7:15PM EDT by NWS Charleston WV
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 46 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 37.9520, -82.2380 |
| Nearest City | Huntington (55 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-21T22:49:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.217467772a3e4de525901736c1a44e3f96f40ab9.001.1 |
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: 2026-09-21T22:49:00.000Z.
First archived: 2026-09-21T22:52:24.914Z. 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 | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lincoln, WV; Logan, WV; Mingo, WV; Wayne, WV |
| Headline | Tornado Warning issued September 21 at 6:49PM EDT until September 21 at 7:15PM EDT by NWS Charleston WV |
| Expires | 2026-09-21T19:15:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 8 SE Grayson |
| Spc County | Carter |
| Spc State | KY |
| Spc Comments | Report from mPING: Quarter (1.00 in.). (RLX) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 8 SE Grayson |
| Iem County | Carter |
| Iem State | KY |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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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