Severe weather near Portsmouth Heights
This alert expired on 11 August 2026 at 01:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 95 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 29 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 8:12PM EDT until August 10 at 9:00PM EDT by NWS Wakefield VA
An estimated 1,763,731 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 6, 2026 · score 52 · 8.8 km
- June 23, 2026 · score 52 · 9.5 km
- August 10, 2026 · score 52 · 10.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 84 % 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 | 84% |
| Coordinates | 36.7375, -76.4105 |
| Nearest City | Portsmouth Heights (10 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T00:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.064618d527dadf6a7599c72d14e00f71 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Camden, NC; Currituck, NC; Pasquotank, NC; Gloucester, VA; Isle of Wight, VA; James City, VA; Southampton, VA; Surry, VA; Sussex, VA; York, VA; City of Franklin, VA; City of Hampton, VA; City of Newport News, VA; City of Poquoson, VA; City of Suffolk, VA; Isle of Wight, VA; Southampton, VA; Surry, VA; City of Suffolk, VA and 2 more areas |
| Headline | Severe Thunderstorm Warning issued August 10 at 8:12PM EDT until August 10 at 9:00PM EDT by NWS Wakefield VA |
| Expires | 2026-08-10T21:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.064618d527dadf6a7599c72d14e00f71ff116d31.001.1","noaa_urn:oid:2.49.0.1.840.0.62322662e6c1b31d582002c800e22ed92bcc1939.002.1","noaa_urn:oid:2.49.0.1.840.0.a84be4871d78dde1d13e058b8408a4943f5395c9.001.1","noaa_urn:oid:2.49.0.1.840.0.6194a5eee4371624998abc9ee85a6587abd0935f.001.1","noaa_urn:oid:2.49.0.1.840.0.9781922912b56f71fb2bb3e82ef96a66583d87e0.002.1"] |
| 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_36.830_-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 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 Portsmouth Heights (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.