Right now
The most recent data we hold from NOAA arrived 1 minute 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 27 May 2026 at 21:45 UTC. It is kept here as a record.
No stronger detection stands among the 54 recorded within 20 km of this point since 16 March 2026 — 3 others scored the same. The last comparable one was on 17 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 5:13PM EDT until May 27 at 5:45PM EDT by NWS Charleston WV
Nearby, since 16 March 2026
- July 21, 2026 · score 16 · 14.3 km
- August 28, 2026 · score 22 · 22.1 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 22 / 100 |
| Our confidence | 69% |
| Coordinates | 38.5848, -79.9948 |
| Nearest City | Clarksburg (83 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-27T21:13:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9bc415a730451f3f3ccc64ed4bfd8b1c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lewis, WV; Randolph, WV; Upshur, WV; Albemarle, VA; Nelson, VA; Tucker, WV and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 27 at 5:13PM EDT until May 27 at 5:45PM EDT by NWS Charleston WV |
| Expires | 2026-05-27T17:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9bc415a730451f3f3ccc64ed4bfd8b1ca327e6c6.001.1","noaa_urn:oid:2.49.0.1.840.0.899e5217134865de703f8606a6cf15771ada6369.001.1","noaa_urn:oid:2.49.0.1.840.0.82c82d25c746cebd42b29a375e0bbe3be9970cfb.001.1","noaa_urn:oid:2.49.0.1.840.0.82b70bdd2126599cb4a97f179e0e1ebbdbe9532a.001.1"] |
| Iem TypeSummary | F |
| Iem City | 2 NE Montrose |
| Iem County | Randolph |
| Iem State | WV |
| Iem Wfo | RLX |
| Iem Remark | Parsons Road is closed in spots due to high water issues. |
| MergedSources | [{"id":"iem_F_39.120_-80.040_1779895500000","source":"iem","severity":"low","severityValue":25,"timestamp":1779895500000,"latitude":39.12,"longitude":-80.04},{"id":"iem_F_39.010_-79.990_1779909300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779909300000,"latitude":39.01,"longitude":-79.99},{"id":"iem_F_39.170_-80.050_1779914460000","source":"iem","severity":"low","severityValue":25,"timestamp":1779914460000,"latitude":39.17,"longitude":-80.05},{"id":"iem_E_39.010_-79.990_1779910200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910200000,"latitude":39.01,"longitude":-79.99},{"id":"iem_F_39.090_-79.790_1779895140000","source":"iem","severity":"low","severityValue":25,"timestamp":1779895140000,"latitude":39.09,"longitude":-79.79}] |
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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