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.
15 other detections within 20 km in the last 24 hours, the nearest 6 km from here.
This alert expired on 18 June 2026 at 12:00 UTC. It is kept here as a record.
It is the 16th strongest of the 64 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 18 at 7:37AM EDT until June 18 at 8:00AM EDT by NWS Baltimore MD/Washington DC
Nearby, since 16 March 2026
- September 22, 2026 · score 16 · 6.5 km
- March 17, 2026 · score 22 · 25.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 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) | 16 / 100 |
| Legacy data-support index | 0.59/1 |
| Coordinates | 38.5337, -80.6792 |
| Nearest City | Charleston (85 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-18T11:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b5e9aa4382dacd5497bae5f492f1564c |
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: 2026-06-18T11:37:00.000Z.
First archived: 2026-06-18T11:40:58.560Z. 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 | Garrett, MD; Grant, WV; Mineral, WV; Preston, WV; Tucker, WV; Boone, WV; Braxton, WV; Calhoun, WV; Clay, WV; Fayette, WV; Gilmer, WV; Kanawha, WV; Lewis, WV; Nicholas, WV; Randolph, WV; Roane, WV; Upshur, WV; Webster, WV and 4 more areas |
| Headline | Severe Thunderstorm Warning issued June 18 at 7:37AM EDT until June 18 at 8:00AM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-06-18T08:00:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b5e9aa4382dacd5497bae5f492f1564c3c330d6d.001.1","noaa_urn:oid:2.49.0.1.840.0.ede2da53636a2dd4f5a2d77e187fd1d16575d9fa.001.1","noaa_urn:oid:2.49.0.1.840.0.2dfb9e9ff62eaa0aae60107ac8b5bfbf54995850.001.1","noaa_urn:oid:2.49.0.1.840.0.3b6c61e4d4707b8903703eb72ac89ac7c952bc60.001.1","noaa_urn:oid:2.49.0.1.840.0.a3c02316157592d7736aa0fdf445f33f5fdc44de.001.1","noaa_urn:oid:2.49.0.1.840.0.acb5c76467235caded5a2dc5d86a7d9db384926e.001.1","noaa_urn:oid:2.49.0.1.840.0.a7636bb7f471e61a79b8945e62df9cfffba0e0e3.001.1"] |
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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