Severe weather near Portsmouth Heights
This alert expired on 6 July 2026 at 19:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 74 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 21 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 6 at 3:35PM EDT until July 6 at 3:45PM EDT by NWS Newport/Morehead City NC
An estimated 1,781,719 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 23, 2026 · score 52 · 7.9 km
- August 11, 2026 · score 52 · 8.8 km
- June 13, 2026 · score 52 · 9.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 78 % 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 | 78% |
| Coordinates | 36.6708, -76.3575 |
| Nearest City | Portsmouth Heights (17 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T19:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.1dfdd537616851ddccd7db36432a2a5e |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Neuse and Bay Rivers; S of Currituck Beach Light NC to Oregon Inlet NC out to 20 NM; Albemarle Sound; Croatan and Roanoke Sounds; Chesapeake Bay from Smith Point to Windmill Point VA; Chesapeake Bay from Windmill Point to New Point Comfort VA and 3 more areas |
| Headline | Special Marine Warning issued July 6 at 3:35PM EDT until July 6 at 3:45PM EDT by NWS Newport/Morehead City NC |
| Expires | 2026-07-06T15:45:00-04:00 |
| SenderName | NWS Newport/Morehead City NC |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1dfdd537616851ddccd7db36432a2a5ebf115091.001.1","noaa_urn:oid:2.49.0.1.840.0.334284011f4067458c62cda75c3402dd9f941be2.001.1","noaa_urn:oid:2.49.0.1.840.0.aa39826465c1fe6e9d2aff66a89c6c67d9f42313.001.1","noaa_urn:oid:2.49.0.1.840.0.d7b064cdd8aa98bb3779c271e97e6e8323a4b2d1.001.1","noaa_urn:oid:2.49.0.1.840.0.8078638f1281465f87d2fd6f4cf94bb84fff66e4.001.1","noaa_urn:oid:2.49.0.1.840.0.aabd298a5af2afa0b88601ff8aab8ee594048364.001.1"] |
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.