This alert expired on 7 July 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 75 recorded within 20 km of this point since 16 March 2026 — 46 others scored the same. Another comparable one was recorded here earlier the same day. 17 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 6 at 7:48PM EDT until July 6 at 9:00PM EDT by NWS Raleigh NC
An estimated 1,272,610 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 29, 2026 · score 52 · 5.4 km
- July 7, 2026 · score 52 · 7.7 km
- July 19, 2026 · score 52 · 7.8 km
How we know
Confirmed by 13 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 91 % 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 | 91% |
| Coordinates | 35.7791, -78.3018 |
| Nearest City | Clayton (20 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T23:48:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.328d3011bea926079e9ef93f6ebff87b808cabc8.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Chatham, NC; Durham, NC; Franklin, NC; Johnston, NC; Nash, NC; Wake, NC |
| Headline | Severe Thunderstorm Warning issued July 6 at 7:48PM EDT until July 6 at 9:00PM EDT by NWS Raleigh NC |
| Expires | 2026-07-06T21:00:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 3 SSW Knightdale |
| Iem County | Wake |
| Iem State | NC |
| Iem Wfo | RAH |
| Iem Remark | tree down on Old Stones Mill St. |
| Google News RssFeed | weather |
| Google News SourceName | Raleigh News & Observer |
| MergedSources | [{"id":"iem_D_36.260_-77.730_1783375800000","source":"iem","severity":"low","severityValue":25,"timestamp":1783375800000,"latitude":36.26,"longitude":-77.73},{"id":"iem_D_35.880_-78.240_1783373340000","source":"iem","severity":"low","severityValue":25,"timestamp":1783373340000,"latitude":35.88,"longitude":-78.24},{"id":"iem_D_35.920_-78.520_1783380000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783380000000,"latitude":35.92,"longitude":-78.52},{"id":"iem_G_35.350_-77.960_1783362960000","source":"iem","severity":"low","severityValue":25,"timestamp":1783362960000,"latitude":35.35,"longitude":-77.96},{"id":"iem_D_35.310_-78.190_1783375500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783375500000,"latitude":35.31,"longitude":-78.19},{"id":"iem_F_35.870_-78.720_1783381740000","source":"iem","severity":"low","severityValue":25,"timestamp":1783381740000,"latitude":35.87,"longitude":-78.72},{"id":"iem_D_35.760_-78.460_1783379340000","source":"iem","severity":"low","severityValue":25,"timestamp":1783379340000,"latitude":35.76,"longitude":-78.46},{"id":"iem_D_35.870_-78.390_1783379880000","source":"iem","severity":"low","severityValue":25,"timestamp":1783379880000,"latitude":35.87,"longitude":-78.39},{"id":"iem_D_35.760_-78.510_1783379460000","source":"iem","severity":"low","severityValue":25,"timestamp":1783379460000,"latitude":35.76,"longitude":-78.51},{"id":"gnews_weather_495379_241","source":"google_news","severity":"medium","severityValue":40,"timestamp":1783367045000,"latitude":35.77,"longitude":-78.64},{"id":"gnews_weather_495381_246","source":"google_news","severity":"medium","severityValue":40,"timestamp":1783372804000,"latitude":35.77,"longitude":-78.64},{"id":"gnews_weather_495379_248","source":"google_news","severity":"medium","severityValue":40,"timestamp":1783364646000,"latitude":35.77,"longitude":-78.64}] |
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.