This alert expired on 6 August 2026 at 21:00 UTC. It is kept here as a record.
It is the 12th strongest of the 21 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 6 at 4:34PM EDT until August 6 at 5:00PM EDT by NWS Wilmington NC
An estimated 214,909 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 13, 2026 · score 43 · 5.4 km
- July 11, 2026 · score 43 · 16.6 km
- July 14, 2026 · score 43 · 17.7 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 37 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) | 37 / 100 |
| Our confidence | 90% |
| Coordinates | 34.2687, -80.9707 |
| Nearest City | Saint Andrews (28 km) |
| Population Exposed | 214.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T20:34:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.833476bc80440a8a63f902d9859a3413 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Darlington, SC; Fairfield, SC; Newberry, SC; Saluda, SC |
| Headline | Severe Thunderstorm Warning issued August 6 at 4:34PM EDT until August 6 at 5:00PM EDT by NWS Wilmington NC |
| Expires | 2026-08-06T17:00:00-04:00 |
| SenderName | NWS Wilmington NC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.833476bc80440a8a63f902d9859a3413e8fb7742.001.1","noaa_urn:oid:2.49.0.1.840.0.0cf9ec3e3dd081e0d5b0a4369d6bfa9286a912ca.002.1"] |
| Iem TypeSummary | F |
| Iem City | 1 SSE Columbia |
| Iem County | Richland |
| Iem State | SC |
| Iem Wfo | CAE |
| Iem Remark | USGS Webcam at Rocky Branch at Whaley St shows an SUV sumberged in flood waters up to the windshield. |
| MergedSources | [{"id":"iem_F_33.990_-81.030_1786041600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786041600000,"latitude":33.99,"longitude":-81.03},{"id":"iem_F_33.980_-81.040_1786043040000","source":"iem","severity":"low","severityValue":25,"timestamp":1786043040000,"latitude":33.98,"longitude":-81.04},{"id":"iem_D_34.100_-81.030_1786037940000","source":"iem","severity":"low","severityValue":25,"timestamp":1786037940000,"latitude":34.1,"longitude":-81.03},{"id":"iem_F_33.990_-81.030_1786042680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786042680000,"latitude":33.99,"longitude":-81.03}] |
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 37/100, near Saint Andrews (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.