This alert expired on 12 August 2026 at 19:15 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 12 March 2026 — 12 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 12 at 2:38PM EDT until August 12 at 3:15PM EDT by NWS Jacksonville FL
Nearby, since 12 March 2026
- July 29, 2026 · score 22 · 6.0 km
- March 12, 2026 · score 22 · 11.7 km
- June 19, 2026 · score 22 · 12.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % 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) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 30.6469, -82.4605 |
| Nearest City | Kingsland (76 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-12T18:38:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clay, FL; Duval, FL; Nassau, FL; St. Johns, FL; Lanier, GA; Lowndes, GA; Baker, FL; Nassau, FL; Brantley, GA; Camden, GA; Charlton, GA; Clinch, GA; Ware, GA and 2 more areas |
| Headline | Severe Thunderstorm Warning issued August 12 at 2:38PM EDT until August 12 at 3:15PM EDT by NWS Jacksonville FL |
| Expires | 2026-08-12T15:15:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.db3430450c4913fa38f47a3a598275d196b433f9.001.1","noaa_urn:oid:2.49.0.1.840.0.2587203db46256133da1d971bdbd091095b59d12.001.1","noaa_urn:oid:2.49.0.1.840.0.6bcb0b8c751eca3e62e51d91011c247f33e53ccd.001.1","noaa_urn:oid:2.49.0.1.840.0.59f169c1ddbcbf1d8269f572f1c9c5566010d63e.001.1","noaa_urn:oid:2.49.0.1.840.0.a57b14a52491ec42ce009930ee8c91b78354ef56.001.1"] |
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 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 22/100, near Kingsland (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.