This alert expired on 11 July 2026 at 22:30 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 — 8 others scored the same. The last comparable one was on 23 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 11 at 6:03PM EDT until July 11 at 6:30PM EDT by NWS Jacksonville FL
Nearby, since 12 March 2026
- August 29, 2026 · score 22 · 11.3 km
- March 12, 2026 · score 22 · 19.4 km
- May 23, 2026 · score 22 · 25.7 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 | 30.3393, -82.4738 |
| Nearest City | Oakleaf Plantation (64 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-11T22:03:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Duval, FL; Jefferson, FL; Leon, FL |
| Headline | Severe Thunderstorm Warning issued July 11 at 6:03PM EDT until July 11 at 6:30PM EDT by NWS Jacksonville FL |
| Expires | 2026-07-11T18:30:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5a56c6fdbdb9f96ef8f6da491399dbecc9c6df1e.001.1","noaa_urn:oid:2.49.0.1.840.0.ec8f4745911c82325c41be12ec391956c6431e39.001.1","noaa_urn:oid:2.49.0.1.840.0.4c0a2af7639fc6a624b17076b5963293a3588760.001.1"] |
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 Oakleaf Plantation (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.