This alert expired on 19 July 2026 at 01:00 UTC. It is kept here as a record.
It is the 16th strongest of the 154 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued July 18 at 7:48PM EDT until July 18 at 9:00PM EDT by NWS Raleigh NC
An estimated 198,761 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 11, 2026 · score 43 · 0.0 km
- July 29, 2026 · score 43 · 0.0 km
- July 28, 2026 · score 43 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 79 % 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 | 79% |
| Coordinates | 35.6000, -79.8000 |
| Nearest City | Asheboro (12 km) |
| Population Exposed | 198.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-18T23:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.246c2996f1c86f64a570a388660361df |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Alamance, NC; Chatham, NC; Durham, NC; Edgecombe, NC; Franklin, NC; Granville, NC; Halifax, NC; Johnston, NC; Nash, NC; Orange, NC; Randolph, NC; Vance, NC; Wake, NC; Warren, NC; Wilson, NC; Caswell, NC; Rockingham, NC; Charlotte, VA; Halifax, VA |
| Headline | Severe Thunderstorm Watch issued July 18 at 7:48PM EDT until July 18 at 9:00PM EDT by NWS Raleigh NC |
| Expires | 2026-07-18T21:00:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.246c2996f1c86f64a570a388660361df7b3c72e9.002.1","noaa_urn:oid:2.49.0.1.840.0.03ea30bd00744b4f2f8c481b4cb222f4cf7e5d90.002.1"] |
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 43/100, near Asheboro (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.