Right now
The most recent data we hold from NOAA arrived 4 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 26 May 2026 at 01:30 UTC. It is kept here as a record.
It is the 9th strongest of the 52 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 17 March 2026.
What the source measured
NOAA reported: Flash Flood Warning issued May 25 at 6:45PM EDT until May 25 at 9:30PM EDT by NWS Wakefield VA
An estimated 142,737 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 4, 2026 · score 48 · 14.9 km
- July 8, 2026 · score 43 · 15.9 km
- March 17, 2026 · score 48 · 21.0 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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 | 91% |
| Coordinates | 37.2744, -76.9711 |
| Nearest City | Williamsburg (23 km) |
| Population Exposed | 142.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-25T22:45:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.17bc0aa947ef2282b52463b0f0d566a6 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chesterfield, VA; Henrico, VA; York, VA; City of Newport News, VA; City of Poquoson, VA |
| Headline | Flash Flood Warning issued May 25 at 6:45PM EDT until May 25 at 9:30PM EDT by NWS Wakefield VA |
| Expires | 2026-05-25T21:30:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.17bc0aa947ef2282b52463b0f0d566a61e362ccb.001.1","noaa_urn:oid:2.49.0.1.840.0.a65839e7862e90499921942d9d9eb462b1b1d1b3.001.1"] |
| Iem TypeSummary | F |
| Iem City | 1 ESE Newport News Golf |
| Iem County | City of Newport New |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Videos shared via social media showed standing water, several inches deep, across a yard on the north side of Newport News. The video showed water up to the ankle of the individual. |
| MergedSources | [{"id":"iem_E_37.170_-76.450_1779735900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779735900000,"latitude":37.17,"longitude":-76.45},{"id":"iem_F_37.170_-76.530_1779746280000","source":"iem","severity":"low","severityValue":25,"timestamp":1779746280000,"latitude":37.17,"longitude":-76.53},{"id":"iem_F_37.170_-76.530_1779747660000","source":"iem","severity":"low","severityValue":25,"timestamp":1779747660000,"latitude":37.17,"longitude":-76.53}] |
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 Williamsburg?
Calamity.live data shows a weather event with CalamityScore 43/100, near Williamsburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.