This alert expired on 28 May 2026 at 03:00 UTC. It is kept here as a record.
It is the 5th strongest of the 70 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 21 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 27 at 8:25PM EDT until May 27 at 11:00PM EDT by NWS Wakefield VA
An estimated 1,781,719 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 16, 2026 · score 52 · 7.1 km
- August 11, 2026 · score 52 · 7.8 km
- July 6, 2026 · score 52 · 9.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 85 % 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) | 52 / 100 |
| Our confidence | 85% |
| Coordinates | 36.6888, -76.2482 |
| Nearest City | Chesapeake (15 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T00:25:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a9a9271976acc4741fb2e6d36048fc250d06cb24.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | City of Chesapeake, VA; City of Portsmouth, VA; City of Suffolk, VA; City of Virginia Beach, VA |
| Headline | Flash Flood Warning issued May 27 at 8:25PM EDT until May 27 at 11:00PM EDT by NWS Wakefield VA |
| Expires | 2026-05-27T23:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 1 SSW Lynnhaven |
| Iem County | City of Virginia Be |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Up to a foot or so of water over the roadway at Lynnhaven Pkwy in the Redwing area of Virginia Beach. |
| MergedSources | [{"id":"iem_F_36.820_-76.070_1779928800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779928800000,"latitude":36.82,"longitude":-76.07}] |
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 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 52/100, near Chesapeake (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.