Right now
The most recent data we hold from NOAA arrived 2 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 27 May 2026 at 23:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 66 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 26 May 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 6:22PM EDT until May 27 at 7:00PM EDT by NWS Raleigh NC
Nearby, since 16 March 2026
- August 7, 2026 · score 22 · 12.5 km
- May 26, 2026 · score 22 · 16.2 km
- September 12, 2026 · score 16 · 17.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % 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 | 70% |
| Coordinates | 36.9208, -78.4915 |
| Nearest City | Henderson (66 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-27T22:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c1ee882e085d5e2a833b9d544b0a3566 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, NC; Halifax, NC; Nash, NC; Warren, NC; Halifax, NC; Warren, NC; Amherst, VA; Appomattox, VA; Buckingham, VA; Campbell, VA and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 27 at 6:22PM EDT until May 27 at 7:00PM EDT by NWS Raleigh NC |
| Expires | 2026-05-27T19:00:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c1ee882e085d5e2a833b9d544b0a3566ebe5c6cd.001.1","noaa_urn:oid:2.49.0.1.840.0.765a6f356c5f3eeafe4bb154c5ac8980b7e377cc.001.1","noaa_urn:oid:2.49.0.1.840.0.3335f72771f92244010e0726982710e49f86ad3d.001.1","noaa_urn:oid:2.49.0.1.840.0.0964e81a84c08fdad2ff1727436944126a8480bc.001.1"] |
| Iem TypeSummary | D |
| Iem City | 3 ENE Crystal Hill |
| Iem County | Halifax |
| Iem State | VA |
| Iem Wfo | RNK |
| Iem Remark | Tree across the road on Newbill School Road. |
| MergedSources | [{"id":"iem_D_36.620_-79.040_1779913560000","source":"iem","severity":"low","severityValue":25,"timestamp":1779913560000,"latitude":36.62,"longitude":-79.04},{"id":"iem_D_36.860_-78.840_1779911460000","source":"iem","severity":"low","severityValue":25,"timestamp":1779911460000,"latitude":36.86,"longitude":-78.84}] |
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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