Right now
The most recent data we hold from NOAA arrived 17 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 22 September 2026 at 22:45 UTC. It is kept here as a record.
It is the 16th strongest of the 29 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 4 September 2026.
What the source measured
NOAA reported: Flash Flood Warning issued September 22 at 4:41PM EDT until September 22 at 6:45PM EDT by NWS Wakefield VA
Urban PEI: 17,988 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 22, 2026 · score 28 · 0.9 km
- July 29, 2026 · score 58 · 14.6 km
- July 21, 2026 · score 28 · 16.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 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) | 28 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 36.1333, -76.6440 |
| Nearest City | Elizabeth City (39 km) |
| Urban exposure index (PEI) | 18.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-22T20:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8acaaf0450ae66138a194b8cad6106c0a8c8ca3d.001.1 |
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: noaa. Occurrence: 2026-09-22T20:41:00.000Z.
First archived: 2026-09-22T20:47:14.915Z. 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 | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bertie, NC; Chowan, NC; Gates, NC; Hertford, NC; Perquimans, NC |
| Headline | Flash Flood Warning issued September 22 at 4:41PM EDT until September 22 at 6:45PM EDT by NWS Wakefield VA |
| Expires | 2026-09-22T18:45:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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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