This alert expired on 11 August 2026 at 02:00 UTC. It is kept here as a record.
No stronger detection stands among the 63 recorded within 20 km of this point since 12 March 2026 — 33 others scored the same. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 10 at 8:52PM EDT until August 10 at 10:00PM EDT by NWS Wakefield VA
An estimated 1,408,633 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 10, 2026 · score 46 · 7.6 km
- August 28, 2026 · score 52 · 9.5 km
- March 16, 2026 · score 52 · 11.4 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 89 % 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) | 52 / 100 |
| Our confidence | 89% |
| Coordinates | 36.8760, -75.8719 |
| Nearest City | Virginia Beach (10 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T00:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.681f3d10c7ede2f092ff2863237903e6 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Parramore Island to Cape Charles Light VA out 20 NM; Coastal Waters from Cape Charles Light to Virginia-North Carolina border out 20 NM; Coastal waters from NC VA border to Currituck Beach Light NC out 20 NM; Waters from Parramore Island VA to Cape Charles Light VA from 20 to 60 NM; Waters from Cape Charles Light to Virginia - North Carolina Border from 20 to 60 NM; Waters from NC VA border to Currituck Beach Light NC from 20 to 60 NM; Currituck Sound; Coastal waters from NC VA border to Currituck Beach Light NC out 20 NM; Currituck Sound; Chesapeake Bay from Little Creek VA to Cape Henry VA including the Chesapeake Bay Bridge Tunnel; Coastal waters from Parramore Island to Cape Charles Light VA out 20 NM; Coastal Waters from Cape Charles Light to Virginia-North Carolina border out 20 NM; Coastal waters from NC VA border to Currituck Beach Light NC out 20 NM; Waters from Parramore Island VA to Cape Charles Light VA from 20 to 60 NM; Waters from Cape Charles Light to Virginia - North Carolina Border from 20 to 60 NM; Waters from NC VA border to Currituck Beach Light NC from 20 to 60 NM and 1 more areas |
| Headline | Special Marine Warning issued August 10 at 8:52PM EDT until August 10 at 10:00PM EDT by NWS Wakefield VA |
| Expires | 2026-08-10T22:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.681f3d10c7ede2f092ff2863237903e6aa66a23e.001.1","noaa_urn:oid:2.49.0.1.840.0.92853caedee9d590e30963d24a9b0f0740c18bc9.001.1","noaa_urn:oid:2.49.0.1.840.0.bbe48a1fc74023e9687fd3779e10100557043f7f.001.1","noaa_urn:oid:2.49.0.1.840.0.59b642129019c678fa67e3034a681ca17156954f.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 41 |
| Iem Unit | MPH |
| Iem City | 1 ENE Rudee Heights |
| Iem County | ANZ656 |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Weatherflow site at Rudee Inlet reported a wind gust to 36 knots. |
| MergedSources | [{"id":"iem_M_36.920_-76.090_1786404900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786404900000,"latitude":36.92,"longitude":-76.09},{"id":"iem_M_37.030_-76.090_1786404480000","source":"iem","severity":"low","severityValue":25,"timestamp":1786404480000,"latitude":37.03,"longitude":-76.09},{"id":"iem_M_36.700_-75.930_1786408020000","source":"iem","severity":"low","severityValue":25,"timestamp":1786408020000,"latitude":36.7,"longitude":-75.93},{"id":"iem_M_36.830_-75.970_1786406520000","source":"iem","severity":"low","severityValue":25,"timestamp":1786406520000,"latitude":36.83,"longitude":-75.97}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 Virginia Beach?
Calamity.live data shows a weather event with CalamityScore 52/100, near Virginia Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.