Right now
The most recent data we hold from SPC arrived 14 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 4 days ago.
No stronger detection stands among the 22 recorded within 20 km of this point since 16 March 2026 — 16 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near Madison, Rockingham, NC. Thunderstorm winds blew a tree down onto a home within the 200 block of Island Drive. (RNK)
Urban PEI: 676,042 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 22, 2026 · score 41 · 0.0 km
- September 21, 2026 · score 41 · 0.0 km
- March 16, 2026 · 4.6 km
How we know
2 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 41 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 41 / 100 |
| Legacy data-support index | 0.83/1 |
| Coordinates | 36.3900, -79.9800 |
| Nearest City | Eden (22 km) |
| Urban exposure index (PEI) | 676.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-21T20:40:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v5. 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: 2026-09-21T20:40:00.000Z.
First archived: 2026-09-21T23:36:07.376Z. 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 | UNK |
| Location | Madison |
| County | Rockingham |
| State | NC |
| Comments | Thunderstorm winds blew a tree down onto a home within the 200 block of Island Drive. (RNK) |
| Iem TypeSummary | D |
| Iem City | Madison |
| Iem County | Rockingham |
| Iem State | NC |
| Iem Wfo | RNK |
| Iem Remark | Thunderstorm winds blew a tree down onto a home within the 200 block of Island Drive. |
| MergedSources | [{"id":"iem_D_36.390_-79.980_1790023200000","source":"iem","severity":"low","severityValue":25,"timestamp":1790023200000,"latitude":36.39,"longitude":-79.98}] |
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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