Right now
The most recent data we hold from NOAA arrived 33 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
8 other detections within 20 km in the last 24 hours, the nearest 8 km from here.
This alert expired on 27 May 2026 at 00:15 UTC. It is kept here as a record.
It is the 10th strongest of the 184 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 26 at 6:21PM EDT until May 26 at 8:15PM EDT by NWS Wakefield VA
An estimated 487,032 people live within 50 km of this point.
Nearby, since 17 March 2026
- August 5, 2026 · score 41 · 6.9 km
- July 21, 2026 · score 37 · 6.9 km
- May 25, 2026 · score 43 · 8.5 km
How we know
Confirmed by 8 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 |
| Our confidence | 90% |
| Coordinates | 37.2423, -77.3438 |
| Nearest City | Petersburg (5 km) |
| Population Exposed | 487.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-26T22:21:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ba08fe1ddc3e3dc334ce8e418cc9d25399ca10bb.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chesterfield, VA; Dinwiddie, VA; Prince George, VA; City of Colonial Heights, VA; City of Hopewell, VA; City of Petersburg, VA |
| Headline | Flash Flood Warning issued May 26 at 6:21PM EDT until May 26 at 8:15PM EDT by NWS Wakefield VA |
| Expires | 2026-05-26T20:15:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | Prince George |
| Iem County | Prince George |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | NWS employee reported flooding on Courthouse Road. Cars needed to drive on the center line to get through. |
| MergedSources | [{"id":"iem_F_37.230_-77.400_1779834480000","source":"iem","severity":"low","severityValue":25,"timestamp":1779834480000,"latitude":37.23,"longitude":-77.4},{"id":"iem_F_37.290_-77.370_1779831240000","source":"iem","severity":"low","severityValue":25,"timestamp":1779831240000,"latitude":37.29,"longitude":-77.37},{"id":"iem_F_37.270_-77.320_1779832920000","source":"iem","severity":"low","severityValue":25,"timestamp":1779832920000,"latitude":37.27,"longitude":-77.32},{"id":"iem_F_37.240_-77.340_1779832920000","source":"iem","severity":"low","severityValue":25,"timestamp":1779832920000,"latitude":37.24,"longitude":-77.34},{"id":"iem_F_37.170_-77.450_1779832380000","source":"iem","severity":"low","severityValue":25,"timestamp":1779832380000,"latitude":37.17,"longitude":-77.45},{"id":"iem_F_37.290_-77.300_1779835080000","source":"iem","severity":"low","severityValue":25,"timestamp":1779835080000,"latitude":37.29,"longitude":-77.3},{"id":"iem_F_37.230_-77.280_1779831900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779831900000,"latitude":37.23,"longitude":-77.28}] |
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.
Want to know when something happens near Petersburg?
Calamity.live data shows a weather event with CalamityScore 43/100, near Petersburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.