Right now
The most recent data we hold from NOAA arrived 12 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
10 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 13 September 2026 at 00:46 UTC. It is kept here as a record.
It is the 4th strongest of the 120 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 12 September 2026. 38 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 12 at 8:36PM EDT until September 12 at 8:45PM EDT by NWS Wakefield VA
An estimated 502,084 people live within 50 km of this point.
Nearby, since 17 March 2026
- March 17, 2026 · score 48 · 8.9 km
- August 5, 2026 · score 41 · 10.0 km
- September 2, 2026 · score 41 · 11.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 54 out of 100, at 85 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 | High |
| Calamity Score (ours) | 54 / 100 |
| Our confidence | 85% |
| Coordinates | 37.3148, -77.1810 |
| Nearest City | Hopewell (10 km) |
| Population Exposed | 502.1K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-13T00:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.5a56fa6edc25b099d03734b874a062a0a3518c8d.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Charles City, VA; Chesterfield, VA; Henrico, VA; City of Richmond, VA; Prince George, VA; Surry, VA; Sussex, VA |
| Headline | Flash Flood Warning issued September 12 at 8:36PM EDT until September 12 at 8:45PM EDT by NWS Wakefield VA |
| Expires | 2026-09-12T20:46:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5a56fa6edc25b099d03734b874a062a0a3518c8d.001.1","noaa_urn:oid:2.49.0.1.840.0.fd8e4a02045ab319d029200ac0e56b56c6ac47f7.001.1"] |
| Spc ReportType | tornado |
| Spc Speed | UNK |
| Spc Location | 1 ESE Spring Grove |
| Spc County | Surry |
| Spc State | VA |
| Spc Comments | Storm survey conducted by NWS employee found tornado damage consistent with an EF-0 along VA-10 east of Spring Grove. Time is estimated based on radar. (AKQ) |
| MergedSources | [{"id":"spc_tornado_37.16_-76.96_1","source":"spc","severity":"high","severityValue":78,"timestamp":1789260142329,"latitude":37.16,"longitude":-76.96}] |
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.
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