Right now
The most recent data we hold from SPC arrived 5 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by SPC 181 days ago.
No stronger detection stands among the 234 recorded within 20 km of this point since 15 March 2026 — 125 others scored the same. Another comparable one was recorded here earlier the same day. 26 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind 61 kt near 4 NE Orange Park, Duval, FL. AWOS station KNIP Jacksonville Nas measured a peak wind speed of 61 mph. (JAX)
Urban PEI: 1,236,062 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- March 17, 2026 · score 52 · 0.0 km
- March 16, 2026 · score 52 · 0.0 km
- March 17, 2026 · score 52 · 6.5 km
How we know
3 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 52 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.95/1 |
| Coordinates | 30.2200, -81.6700 |
| Nearest City | Jacksonville (12 km) |
| Urban exposure index (PEI) | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T17:48:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: spc. Occurrence: 2026-03-16T17:48:00.000Z.
First archived: 2026-03-16T18:20:16.641Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 61 |
| Location | 4 NE Orange Park |
| County | Duval |
| State | FL |
| Comments | AWOS station KNIP Jacksonville Nas measured a peak wind speed of 61 mph. (JAX) |
| Iem TypeSummary | H |
| Iem Magnitude | 0.25 |
| Iem Unit | Inch |
| Iem City | 3 NNE Mandarin |
| Iem County | Duval |
| Iem State | FL |
| Iem Wfo | JAX |
| Iem Remark | Pea size hail was reported near Pall Mall Dr. |
| MergedSources | [{"id":"iem_G_30.220_-81.670_1773682860000","source":"iem","severity":"low","severityValue":25,"timestamp":1773682860000,"latitude":30.22,"longitude":-81.67},{"id":"iem_H_30.200_-81.620_1773683040000","source":"iem","severity":"low","severityValue":25,"timestamp":1773683040000,"latitude":30.2,"longitude":-81.62}] |
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.
Review the area, threshold and delivery channel in your account.
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