Right now
The most recent data we hold from NOAA arrived 8 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 21 July 2026 at 20:30 UTC. It is kept here as a record.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 21 at 4:00PM EDT until July 21 at 4:30PM EDT by NWS Charleston WV
Urban PEI: 48,638 within a heuristic 50 km radius; not unique people.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 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) | 28 / 100 |
| Legacy data-support index | 0.79/1 |
| Coordinates | 38.7951, -82.1762 |
| Nearest City | Huntington (48 km) |
| Urban exposure index (PEI) | 48.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-21T20:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3d24b1e718eb88cc17ba9eec9494d7d2 |
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: 2026-07-21T20:00:00.000Z.
First archived: 2026-07-21T20:05:11.073Z. 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 | Randolph, WV; Appomattox, VA; Campbell, VA; Monroe, OH; Noble, OH; Marshall, WV; Wetzel, WV and 10 more areas |
| Headline | Severe Thunderstorm Warning issued July 21 at 4:00PM EDT until July 21 at 4:30PM EDT by NWS Charleston WV |
| Expires | 2026-07-21T16:30:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 13 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3d24b1e718eb88cc17ba9eec9494d7d226507543.002.1","noaa_urn:oid:2.49.0.1.840.0.bec59dc4aa98ba8aaf3e06a7988b3f139c5faead.001.1","noaa_urn:oid:2.49.0.1.840.0.7fb75bc4d012693ee73580635c4b8abe638a09ff.001.1","noaa_urn:oid:2.49.0.1.840.0.85e3eda3f1accb53f1051be0febb69848cb5cc0b.001.1","noaa_urn:oid:2.49.0.1.840.0.d1a217fe90416f944830df1e5eff9fef6a764226.001.1","noaa_urn:oid:2.49.0.1.840.0.a8abfb64e50dd9b3738742b35c868f9bf1c626b8.001.1","noaa_urn:oid:2.49.0.1.840.0.2439cb6dd6cf6729743895e556244c32f2bbe0c0.002.1","noaa_urn:oid:2.49.0.1.840.0.559e6b97da34dee1d4f076236bfb6bfdfab7f31f.001.1","noaa_urn:oid:2.49.0.1.840.0.e25b8082f8b7b057149a8287dbbf4595f4fd5651.001.1","noaa_urn:oid:2.49.0.1.840.0.2b528b187af47babc620b2dc9dd3dab5f79ca81b.001.1","noaa_urn:oid:2.49.0.1.840.0.678b831dc0fba5e40ec3a447b129a261a66141d9.001.1","noaa_urn:oid:2.49.0.1.840.0.c988cb4a94fa40923df9889b9c710f0c1e0cc9a7.001.1","noaa_urn:oid:2.49.0.1.840.0.9fc47ffd867f5e9c7987d59afdda6cd8673cc075.001.1"] |
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.
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