This alert expired on 13 July 2026 at 17:15 UTC. It is kept here as a record.
No stronger detection stands among the 32 recorded within 20 km of this point since 16 March 2026 — 25 others scored the same. The last comparable one was on 25 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 13 at 12:49PM EDT until July 13 at 1:15PM EDT by NWS Jacksonville FL
An estimated 1,088,217 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 17, 2026 · score 52 · 18.7 km
- March 16, 2026 · score 52 · 18.7 km
- June 25, 2026 · score 52 · 21.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 30.3480, -82.1020 |
| Nearest City | Oakleaf Plantation (32 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-13T16:49:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2cf1e8110bcb04d9be0f1550cc75233d6d73f90a.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Baker, FL; Duval, FL; Nassau, FL; Charlton, GA |
| Headline | Severe Thunderstorm Warning issued July 13 at 12:49PM EDT until July 13 at 1:15PM EDT by NWS Jacksonville FL |
| Expires | 2026-07-13T13:15:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
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 52/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.