Right now
The most recent data we hold from NOAA arrived 15 minutes 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.
This alert expired on 5 September 2026 at 00:00 UTC. It is kept here as a record.
No stronger detection stands among the 74 recorded within 20 km of this point since 17 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Tornado Warning issued September 4 at 7:27PM EDT until September 4 at 8:00PM EDT by NWS Wakefield VA
Urban PEI: 168,851 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- September 4, 2026 · score 67 · 5.0 km
- July 6, 2026 · score 43 · 6.0 km
- March 17, 2026 · score 43 · 17.7 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 67 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Critical |
| Calamity Score (ours) | 67 / 100 |
| Legacy data-support index | 0.86/1 |
| Coordinates | 36.8000, -77.0450 |
| Nearest City | South Suffolk (41 km) |
| Urban exposure index (PEI) | 168.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-04T23:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.f0c8c1e4be99e78d0aa07828c0e28796444975b9.001.1 |
Physical priority index · v4 (historical). 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: noaa. Occurrence: 2026-09-04T23:27:00.000Z.
First archived: 2026-09-04T23:32:15.680Z. 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
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Isle of Wight, VA; Southampton, VA; City of Franklin, VA |
| Headline | Tornado Warning issued September 4 at 7:27PM EDT until September 4 at 8:00PM EDT by NWS Wakefield VA |
| Expires | 2026-09-04T20:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Whaleyville |
| Spc County | City of Suffolk |
| Spc State | VA |
| Spc Comments | Multiple trees down along Whaleyville Boulevard. (AKQ) |
| MergedSources | [{"id":"spc_wind_36.59_-76.69_144","source":"spc","severity":"medium","severityValue":45,"timestamp":1788557400000,"latitude":36.59,"longitude":-76.69}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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.
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