Right now
The most recent data we hold from NOAA arrived 4 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 29 July 2026 at 02:15 UTC. It is kept here as a record.
It is the 4th strongest of the 75 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 28 at 9:27PM EDT until July 28 at 10:15PM EDT by NWS Wakefield VA
Urban PEI: 168,851 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- July 6, 2026 · score 43 · 3.9 km
- September 4, 2026 · score 67 · 5.9 km
- July 29, 2026 · score 48 · 20.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 36.7786, -77.0633 |
| Nearest City | South Suffolk (43 km) |
| Urban exposure index (PEI) | 168.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-29T01:27:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0e263a890f4e31cf6ff58d993a274ecd |
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: noaa. Occurrence: 2026-07-29T01:27:00.000Z.
First archived: 2026-07-29T01:33:36.075Z. 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 | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Charles City, VA; Hanover, VA; Henrico, VA; King and Queen, VA; King William, VA; New Kent, VA; City of Chesapeake, VA; City of Norfolk, VA; City of Portsmouth, VA; City of Virginia Beach, VA; Edgecombe, NC; Franklin, NC; Johnston, NC; Nash, NC; Wake, NC; Wilson, NC and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 28 at 9:27PM EDT until July 28 at 10:15PM EDT by NWS Wakefield VA |
| Expires | 2026-07-28T22:15:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0e263a890f4e31cf6ff58d993a274ecd54aff6cc.001.1","noaa_urn:oid:2.49.0.1.840.0.612bd9ff9361fae919826b31d8d9561eaf0367fe.002.1","noaa_urn:oid:2.49.0.1.840.0.a8e4378c14adbc4a5d05fc4a2c45dce760e79376.001.1","noaa_urn:oid:2.49.0.1.840.0.3068484f3d859ddb0c4ab3734050906ee480811c.001.1","noaa_urn:oid:2.49.0.1.840.0.280d5b93e9a86032c8cf0c3a912129a5ef5f50cf.002.1"] |
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.
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