This alert expired on 14 June 2026 at 22:00 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 14 June 2026 — 4 others scored the same. 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 June 14 at 5:13PM EDT until June 14 at 6:00PM EDT by NWS Charleston SC
An estimated 348,391 people live within 50 km of this point.
Nearby, since 14 June 2026
- August 13, 2026 · score 37 · 16.5 km
- June 18, 2026 · score 43 · 17.8 km
- July 5, 2026 · score 43 · 19.0 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 | 33.0013, -80.3853 |
| Nearest City | Summerville (19 km) |
| Population Exposed | 348.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-14T21:13:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8c958f507a77cb540c5ca621c1d26a06 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Berkeley, SC; Charleston, SC; Colleton, SC; Dorchester, SC; Berkeley, SC; Charleston, SC; Dorchester, SC; Beaufort, SC; Colleton, SC; Hampton, SC; Jasper, SC |
| Headline | Severe Thunderstorm Warning issued June 14 at 5:13PM EDT until June 14 at 6:00PM EDT by NWS Charleston SC |
| Expires | 2026-06-14T18:00:00-04:00 |
| SenderName | NWS Charleston SC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8c958f507a77cb540c5ca621c1d26a061485814b.001.1","noaa_urn:oid:2.49.0.1.840.0.bf6f7063f69d6d3c637608206b0eefd28344df7b.001.1","noaa_urn:oid:2.49.0.1.840.0.a9bcb4c7d1c77043ca76d92caafa26c768c729e5.001.1"] |
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 near Summerville?
Calamity.live data shows a weather event with CalamityScore 43/100, near Summerville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.