This alert expired on 7 August 2026 at 00:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 93 detections recorded within 20 km of this point since 16 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 Warning issued August 6 at 7:35PM EDT until August 6 at 8:15PM EDT by NWS Raleigh NC
An estimated 1,562,596 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 29, 2026 · score 52 · 3.3 km
- August 8, 2026 · score 52 · 6.0 km
- March 17, 2026 · score 52 · 9.1 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 52 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) | 52 / 100 |
| Our confidence | 90% |
| Coordinates | 35.9393, -78.9980 |
| Nearest City | Chapel Hill (6 km) |
| Population Exposed | 1.6M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T23:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.94d17537996e3e8cbbeda2174fd79f31 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Durham, NC; Granville, NC; Orange, NC; Wake, NC; Chatham, NC; Orange, NC |
| Headline | Severe Thunderstorm Warning issued August 6 at 7:35PM EDT until August 6 at 8:15PM EDT by NWS Raleigh NC |
| Expires | 2026-08-06T20:15:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.94d17537996e3e8cbbeda2174fd79f31a2b63f2a.001.1","noaa_urn:oid:2.49.0.1.840.0.27b4875bdb713319377b8a638c108afcf1edf273.002.1"] |
| Iem TypeSummary | D |
| Iem City | 4 WNW Glendon |
| Iem County | Moore |
| Iem State | NC |
| Iem Wfo | RAH |
| Iem Remark | Tree down in roadway, blocking both lanes of travel. |
| MergedSources | [{"id":"iem_D_35.480_-79.600_1786054800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786054800000,"latitude":35.48,"longitude":-79.6},{"id":"iem_D_35.710_-79.420_1786056480000","source":"iem","severity":"low","severityValue":25,"timestamp":1786056480000,"latitude":35.71,"longitude":-79.42},{"id":"iem_D_35.460_-79.470_1786054800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786054800000,"latitude":35.46,"longitude":-79.47},{"id":"iem_D_35.780_-79.750_1786056180000","source":"iem","severity":"low","severityValue":25,"timestamp":1786056180000,"latitude":35.78,"longitude":-79.75},{"id":"iem_D_35.490_-79.590_1786054680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786054680000,"latitude":35.49,"longitude":-79.59}] |
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 Chapel Hill (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.