This alert expired on 16 March 2026 at 13:15 UTC. It is kept here as a record.
No stronger detection stands among the 43 recorded within 20 km of this point since 16 March 2026 — 6 others scored the same.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 16 at 8:48AM EDT until March 16 at 9:15AM EDT by NWS Greenville-Spartanburg SC
An estimated 109,415 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 5, 2026 · score 43 · 9.5 km
- June 28, 2026 · score 43 · 10.7 km
- June 27, 2026 · score 32 · 17.5 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 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 34.8251, -81.5546 |
| Nearest City | Spartanburg (37 km) |
| Population Exposed | 109.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T12:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7b20e67eb25e6bdc7a95cb654037dfcb |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Alexander, NC; Burke, NC; Caldwell, NC; Catawba, NC; Aiken, SC; Edgefield, SC; Fairfield, SC; McCormick, SC; Newberry, SC; Saluda, SC; Chester, SC; York, SC and 10 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 8:48AM EDT until March 16 at 9:15AM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-03-16T09:15:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 13 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7b20e67eb25e6bdc7a95cb654037dfcb0468efef.001.1","noaa_urn:oid:2.49.0.1.840.0.5cad331725dc6ffc5a018324c24acc11d671bc8f.001.1","noaa_urn:oid:2.49.0.1.840.0.d1de12946a0cb61a61913d2bc88cb59d2c78b433.001.1","noaa_urn:oid:2.49.0.1.840.0.3d097f77ce61b9d934c592e796c96cae3d76f555.001.1","noaa_urn:oid:2.49.0.1.840.0.d2daa92bae291b05ff1193ea653a4a458e619201.001.1","noaa_urn:oid:2.49.0.1.840.0.8de7f330590a4cda8aa74d602b3feafd3538a6b6.001.1","noaa_urn:oid:2.49.0.1.840.0.7736ade76ea1de559a01b10671be3ea3702e7a28.001.1","noaa_urn:oid:2.49.0.1.840.0.fbb5f9bb179dc747e261da9544bc1da334a7cb35.001.1","noaa_urn:oid:2.49.0.1.840.0.39b5895beb222c779de673becd7a4fba93d3f410.002.1","noaa_urn:oid:2.49.0.1.840.0.e895633f70b11d9eaae964d52dee8f8f01107775.001.1","noaa_urn:oid:2.49.0.1.840.0.b22a2101936eae7d26300a9c97cc547cd044ccd3.002.1","noaa_urn:oid:2.49.0.1.840.0.93ceb0a1298886fdbf187bfaf9d1d4351da3455a.001.1","noaa_urn:oid:2.49.0.1.840.0.7cdd3094f48f7ad721ec480951b4efd2d60cdddd.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.
Want to know when something happens in this area?
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 185 scientific monitoring sources.