This alert expired on 8 August 2026 at 00:30 UTC. It is kept here as a record.
It is the 5th strongest of the 138 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 8:08PM EDT until August 7 at 8:30PM EDT by NWS Wakefield VA
An estimated 511,761 people live within 50 km of this point.
Nearby, since 17 March 2026
- August 7, 2026 · score 48 · 4.3 km
- June 22, 2026 · score 48 · 5.4 km
- July 21, 2026 · score 41 · 8.9 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 88 % 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 | 88% |
| Coordinates | 37.6690, -77.4240 |
| Nearest City | Mechanicsville (8 km) |
| Population Exposed | 511.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-08T00:08:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c28a74fd156e698b68f7e9790415d7d978381e11.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Chesterfield, VA; Goochland, VA; Hanover, VA; Henrico, VA; City of Richmond, VA |
| Headline | Severe Thunderstorm Warning issued August 7 at 8:08PM EDT until August 7 at 8:30PM EDT by NWS Wakefield VA |
| Expires | 2026-08-07T20:30:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | Globe |
| Iem County | King William |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Trees reported down on Globe Road. |
| MergedSources | [{"id":"iem_D_37.800_-77.300_1786144980000","source":"iem","severity":"low","severityValue":25,"timestamp":1786144980000,"latitude":37.8,"longitude":-77.3},{"id":"iem_D_37.820_-77.210_1786145640000","source":"iem","severity":"low","severityValue":25,"timestamp":1786145640000,"latitude":37.82,"longitude":-77.21}] |
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 Mechanicsville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.