This alert expired on 19 June 2026 at 02:45 UTC. It is kept here as a record.
It is the 13th strongest of the 50 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 18 at 10:36PM EDT until June 18 at 10:45PM EDT by NWS Raleigh NC
An estimated 124,621 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 6, 2026 · score 39 · 4.9 km
- March 17, 2026 · score 43 · 9.6 km
- July 19, 2026 · score 43 · 15.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 36.2060, -78.0680 |
| Nearest City | Henderson (33 km) |
| Population Exposed | 124.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-19T02:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0f01dc11ac43616971369968ad47a2a6756cdc40.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, NC; Halifax, NC; Nash, NC; Warren, NC |
| Headline | Severe Thunderstorm Warning issued June 18 at 10:36PM EDT until June 18 at 10:45PM EDT by NWS Raleigh NC |
| Expires | 2026-06-18T22:45:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 6 ENE Louisburg |
| Iem County | Franklin |
| Iem State | NC |
| Iem Wfo | RAH |
| Iem Remark | tree down on firetower rd. |
| MergedSources | [{"id":"iem_D_36.100_-78.280_1781834160000","source":"iem","severity":"low","severityValue":25,"timestamp":1781834160000,"latitude":36.1,"longitude":-78.28},{"id":"iem_D_36.120_-78.190_1781834160000","source":"iem","severity":"low","severityValue":25,"timestamp":1781834160000,"latitude":36.12,"longitude":-78.19}] |
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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.