Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 6 August 2026 at 22:00 UTC. It is kept here as a record.
No stronger detection stands among the 76 recorded within 20 km of this point since 16 March 2026 — 45 others scored the same. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 6 at 5:20PM EDT until August 6 at 6:00PM EDT by NWS Greenville-Spartanburg SC
Urban PEI: 1,163,222 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- August 6, 2026 · score 52 · 6.1 km
- July 5, 2026 · score 52 · 9.2 km
- August 29, 2026 · score 52 · 11.7 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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 52 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 35.3363, -81.2439 |
| Nearest City | Gastonia (10 km) |
| Urban exposure index (PEI) | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T21:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.10e59abfab2b9c638d16ceb188985760 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-08-06T21:20:00.000Z.
First archived: 2026-08-06T21:28:22.315Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Caldwell, NC; Union, NC; Gaston, NC; Lincoln, NC and 2 more areas |
| Headline | Severe Thunderstorm Warning issued August 6 at 5:20PM EDT until August 6 at 6:00PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-08-06T18:00:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.10e59abfab2b9c638d16ceb18898576027fdc1e1.001.1","noaa_urn:oid:2.49.0.1.840.0.be4e9f89eb1c7762a475e6826757c282725fa41a.001.1","noaa_urn:oid:2.49.0.1.840.0.b7af37108c82aa72076d9638504e0a03c60e4141.002.1","noaa_urn:oid:2.49.0.1.840.0.fbb54592f01ca70e12de27c809e3355a0c5ba982.001.1","noaa_urn:oid:2.49.0.1.840.0.56ac2d0d69bd6d59f7c85b2fb9eafda2dda4a70f.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 8 March 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.
Review the area, threshold and delivery channel in your account.
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