This alert expired on 27 May 2026 at 20:45 UTC. It is kept here as a record.
It is the 8th strongest of the 77 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 4:30PM EDT until May 27 at 4:45PM EDT by NWS Greenville-Spartanburg SC
An estimated 395,299 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 17, 2026 · score 43 · 6.6 km
- March 17, 2026 · score 43 · 12.8 km
- March 16, 2026 · score 72 · 14.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 85 % 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) | 43 / 100 |
| Our confidence | 85% |
| Coordinates | 36.3883, -79.6103 |
| Nearest City | Eden (18 km) |
| Population Exposed | 395.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T20:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.23f0a793173c4fa29cff62d3b24a23d3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Davie, NC; Caswell, NC; Charlotte, VA; Halifax, VA; Pittsylvania, VA; Caswell, NC; Rockingham, NC; City of Danville, VA |
| Headline | Severe Thunderstorm Warning issued May 27 at 4:30PM EDT until May 27 at 4:45PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-05-27T16:45:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.23f0a793173c4fa29cff62d3b24a23d3fa304a18.002.1","noaa_urn:oid:2.49.0.1.840.0.af1a4197bdc2385f3102171e1ee563bd45fae2a6.001.1","noaa_urn:oid:2.49.0.1.840.0.2cd4c23d26b415169238259d5002328149b7af86.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 WNW Ajax |
| Iem County | Pittsylvania |
| Iem State | VA |
| Iem Wfo | RNK |
| Iem Remark | Tree downed by thunderstorm winds near the intersection of Liberty Road and Smith Mountain Road, and blocked the roadway. |
| MergedSources | [{"id":"iem_D_36.980_-79.600_1779905700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779905700000,"latitude":36.98,"longitude":-79.6}] |
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.
Want to know when something happens near Eden?
Calamity.live data shows a weather event with CalamityScore 43/100, near Eden (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.