This alert expired on 4 July 2026 at 19:15 UTC. It is kept here as a record.
It is the 5th strongest of the 24 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 2:30PM EDT until July 4 at 3:15PM EDT by NWS Wakefield VA
An estimated 508,818 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 28, 2026 · score 72 · 8.8 km
- July 8, 2026 · score 43 · 10.6 km
- July 7, 2026 · score 41 · 12.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 77 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 77% |
| Coordinates | 37.2211, -76.8167 |
| Nearest City | Williamsburg (11 km) |
| Population Exposed | 508.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T18:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9f9213821d6fd9e078695d062e8d343e9c603ba7.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Charles City, VA; James City, VA; Prince George, VA; Surry, VA |
| Headline | Severe Thunderstorm Warning issued July 4 at 2:30PM EDT until July 4 at 3:15PM EDT by NWS Wakefield VA |
| Expires | 2026-07-04T15:15:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 48/100, near Williamsburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.