This alert expired on 27 June 2026 at 20:30 UTC. It is kept here as a record.
No stronger detection stands among the 71 recorded within 20 km of this point since 16 March 2026 — 44 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 27 at 3:25PM EDT until June 27 at 4:30PM EDT by NWS Raleigh NC
An estimated 1,276,537 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 7, 2026 · score 46 · 2.6 km
- July 11, 2026 · score 52 · 4.4 km
- July 6, 2026 · score 52 · 11.9 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 78 % 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 | 78% |
| Coordinates | 35.6783, -78.3462 |
| Nearest City | Clayton (11 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-27T19:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.663b86e3755c25f8093b2e6fce2d55af |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Johnston, NC; Nash, NC; Wake, NC; Wayne, NC; Wilson, NC; Johnston, NC; Wake, NC |
| Headline | Severe Thunderstorm Warning issued June 27 at 3:25PM EDT until June 27 at 4:30PM EDT by NWS Raleigh NC |
| Expires | 2026-06-27T16:30:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.663b86e3755c25f8093b2e6fce2d55aff293f131.001.1","noaa_urn:oid:2.49.0.1.840.0.4b00d34c781f5e4084c9bf958dd7888f0ca950b8.001.1"] |
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 Clayton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.