This alert expired on 2 July 2026 at 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 92 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. 37 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 2 at 4:38PM EDT until July 2 at 5:15PM EDT by NWS Greenville-Spartanburg SC
An estimated 244,600 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 2, 2026 · score 43 · 2.0 km
- August 2, 2026 · score 43 · 5.9 km
- June 14, 2026 · score 43 · 7.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 83 % 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 | 83% |
| Coordinates | 34.8500, -82.4840 |
| Nearest City | Greenville (9 km) |
| Population Exposed | 244.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-02T20:38:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.59d68ce74e6a11f1210e804cb6f19e96ccc88d1a.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Anderson, SC; Greenville, SC; Pickens, SC |
| Headline | Severe Thunderstorm Warning issued July 2 at 4:38PM EDT until July 2 at 5:15PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-07-02T17:15:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | Liberty |
| Iem County | Pickens |
| Iem State | SC |
| Iem Wfo | GSP |
| Iem Remark | Social media picture of a tree down across power lines and a road in the city of Liberty. Another picture showed a large limbed that snapped off a tree and fell on a car. |
| MergedSources | [{"id":"iem_D_34.790_-82.690_1783021260000","source":"iem","severity":"low","severityValue":25,"timestamp":1783021260000,"latitude":34.79,"longitude":-82.69}] |
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 Greenville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.