This alert expired on 12 March 2026 at 14:30 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 12 March 2026 — 17 others scored the same. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 12 at 10:01AM EDT until March 12 at 10:30AM EDT by NWS Jacksonville FL
Nearby, since 12 March 2026
- July 29, 2026 · score 22 · 11.9 km
- May 23, 2026 · score 22 · 12.8 km
- June 19, 2026 · score 22 · 14.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 63 % 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 | 63% |
| Coordinates | 30.5061, -82.5325 |
| Nearest City | Oakleaf Plantation (76 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-12T14:01:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Baker, FL; Charlton, GA; Ware, GA; Baker, FL; Columbia, FL; Hamilton, FL; Suwannee, FL |
| Headline | Severe Thunderstorm Warning issued March 12 at 10:01AM EDT until March 12 at 10:30AM EDT by NWS Jacksonville FL |
| Expires | 2026-03-12T10:30:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.355ed1701eb4bbd31d72b4b859b03dda0b19e5f5.001.1","noaa_urn:oid:2.49.0.1.840.0.fa4a08d8de2c473f3b3678c4be8d9ec3e050803d.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 42 |
| Iem Unit | MPH |
| Iem City | 3 SSE Jasper |
| Iem County | Hamilton |
| Iem State | FL |
| Iem Wfo | JAX |
| Iem Remark | Mesonet station 0184W 3.0 SE Jasper (WEATHERSTEM). |
| MergedSources | [{"id":"iem_G_30.480_-82.930_1773321600000","source":"iem","severity":"low","severityValue":25,"timestamp":1773321600000,"latitude":30.48,"longitude":-82.93}] |
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.