Right now
The most recent data we hold from NOAA arrived 38 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 01:00 UTC. It is kept here as a record.
It is the 120th strongest of the 222 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 4 September 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 4 at 8:18PM EDT until September 4 at 9:00PM EDT by NWS Wakefield VA
Urban PEI: 1,763,731 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- July 29, 2026 · score 76 · 2.1 km
- August 31, 2026 · score 46 · 3.2 km
- June 23, 2026 · score 52 · 3.3 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 46 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 | Medium |
| Calamity Score (ours) | 46 / 100 |
| Legacy data-support index | 0.91/1 |
| Coordinates | 36.9243, -76.2162 |
| Nearest City | Norfolk (11 km) |
| Urban exposure index (PEI) | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-05T00:18:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1160acbede16b3fcf042bd52149a41ba66de05df.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: 2026-09-05T00:18:00.000Z.
First archived: 2026-09-05T00:20:30.981Z. 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 | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chesapeake Bay from New Point Comfort to Little Creek VA; Chesapeake Bay from Little Creek VA to Cape Henry VA including the Chesapeake Bay Bridge Tunnel; James River from JRB to HRBT, Including the Elizabeth River; Coastal Waters from Cape Charles Light to Virginia-North Carolina border out 20 NM |
| Headline | Special Marine Warning issued September 4 at 8:18PM EDT until September 4 at 9:00PM EDT by NWS Wakefield VA |
| Expires | 2026-09-04T21:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 SE Lees Mill |
| Spc County | City of Suffolk |
| Spc State | VA |
| Spc Comments | Powerline down. (AKQ) |
| Iem TypeSummary | D |
| Iem City | 1 ESE Elizabeth City |
| Iem County | Pasquotank |
| Iem State | NC |
| Iem Wfo | AKQ |
| Iem Remark | A metal roof was blown off a house on Rivershore Rd and damaged a power line. |
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.
Want to know when something happens near Norfolk?