This alert expired on 20 July 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 90 recorded within 20 km of this point since 16 March 2026 — 36 others scored the same. The last comparable one was on 19 July 2026. 18 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 20 at 4:20PM EDT until July 20 at 5:00PM EDT by NWS Raleigh NC
An estimated 1,012,059 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 11, 2026 · score 52 · 3.4 km
- June 28, 2026 · score 52 · 7.4 km
- July 19, 2026 · score 52 · 14.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 35.8668, -78.1534 |
| Nearest City | Wilson (27 km) |
| Population Exposed | 1.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T20:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.1f9c3846217981227efacfa17fd44331 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Chatham, NC; Wake, NC; Guilford, NC; Edgecombe, NC; Halifax, NC and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 20 at 4:20PM EDT until July 20 at 5:00PM EDT by NWS Raleigh NC |
| Expires | 2026-07-20T17:00:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1f9c3846217981227efacfa17fd443317b06ad1f.001.1","noaa_urn:oid:2.49.0.1.840.0.44b9c543676ea049e584fb4f7b7b3f6990c5d759.001.1","noaa_urn:oid:2.49.0.1.840.0.9a04e458a2af77e1797c791d5245e2d6ac75d882.001.1","noaa_urn:oid:2.49.0.1.840.0.25fd6972f473f876aa58cf379fa2dfcd5b202ee1.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Wilson (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.