This alert expired on 27 May 2026 at 21:15 UTC. It is kept here as a record.
It is the 6th strongest of the 42 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 4:35PM EDT until May 27 at 5:15PM EDT by NWS Raleigh NC
An estimated 395,299 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 9, 2026 · score 43 · 5.3 km
- July 19, 2026 · score 43 · 5.9 km
- July 19, 2026 · score 43 · 11.1 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 | 36.3929, -79.4081 |
| Nearest City | Danville (22 km) |
| Population Exposed | 395.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T20:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2d5b99aea60427e8008117d70b316807 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Granville, NC; Person, NC; Vance, NC; Davie, NC; Caswell, NC; Charlotte, VA; Halifax, VA; Pittsylvania, VA and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 27 at 4:35PM EDT until May 27 at 5:15PM EDT by NWS Raleigh NC |
| Expires | 2026-05-27T17:15:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2d5b99aea60427e8008117d70b3168078bbffe7c.001.1","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 Danville?
Calamity.live data shows a weather event with CalamityScore 43/100, near Danville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.