Right now
The most recent data we hold from NOAA arrived 36 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 5 August 2026 at 01:17 UTC. It is kept here as a record.
It is the 36th strongest of the 85 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 4 at 9:07PM EDT until August 4 at 9:15PM EDT by NWS Wakefield VA
Nearby, since 16 March 2026
- September 11, 2026 · score 28 · 3.6 km
- May 27, 2026 · score 34 · 5.8 km
- September 12, 2026 · score 16 · 13.0 km
How we know
7 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 36.7837, -78.2154 |
| Nearest City | Henderson (53 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-08-05T01:07:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.ef52c9a9cee0e53a4c02931763fa214e |
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: 2026-08-05T01:07:00.000Z.
First archived: 2026-08-05T01:13:38.643Z. 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 | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Brunswick, VA; Dinwiddie, VA; Greensville, VA; Sussex, VA; Halifax, VA |
| Headline | Flash Flood Warning issued August 4 at 9:07PM EDT until August 4 at 9:15PM EDT by NWS Wakefield VA |
| Expires | 2026-08-04T21:17:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ef52c9a9cee0e53a4c02931763fa214e942b7d69.001.1","noaa_urn:oid:2.49.0.1.840.0.5f5213c854560d28eff64eafbb5d3e115718e76f.001.1"] |
| Iem TypeSummary | F |
| Iem City | 1 E Lafoon Corner |
| Iem County | Lunenburg |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | East right land and right shoulder closed due to standing water on VA-137 in the vicinity of Half Mile Ln. |
| MergedSources | [{"id":"iem_F_37.070_-77.850_1785887640000","source":"iem","severity":"low","severityValue":25,"timestamp":1785887640000,"latitude":37.07,"longitude":-77.85},{"id":"iem_R_37.010_-78.200_1785881580000","source":"iem","severity":"low","severityValue":25,"timestamp":1785881580000,"latitude":37.01,"longitude":-78.2},{"id":"iem_F_36.840_-78.150_1785880800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785880800000,"latitude":36.84,"longitude":-78.15},{"id":"iem_F_37.020_-78.210_1785882600000","source":"iem","severity":"low","severityValue":25,"timestamp":1785882600000,"latitude":37.02,"longitude":-78.21},{"id":"iem_R_36.790_-78.500_1785876900000","source":"iem","severity":"low","severityValue":25,"timestamp":1785876900000,"latitude":36.79,"longitude":-78.5},{"id":"iem_F_36.930_-78.080_1785883200000","source":"iem","severity":"low","severityValue":25,"timestamp":1785883200000,"latitude":36.93,"longitude":-78.08}] |
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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