This alert is in force until 4 September 2026, 02:15 UTC.
It is the 126th strongest of the 220 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 31 August 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values of around 105 degrees. * WHERE...Gloucester, Mathews, Middlesex, Hampton/Poquoson, Newport News, Norfolk, Portsmouth, and York Counties, and Virginia Beach. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to ...
An estimated 1,778,783 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 23, 2026 · score 52 · 1.0 km
- March 17, 2026 · score 52 · 2.8 km
- March 17, 2026 · score 52 · 5.7 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 69 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 69% |
| Coordinates | 36.9551, -76.3257 |
| Nearest City | Hampton (9 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T15:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-04T11:00:00-04:00 |
| Expires | 2026-09-03T22:15:00-04:00 |
| AreaDesc | Gloucester; Middlesex; Mathews; Virginia Beach; York; Newport News; Hampton/Poquoson; Norfolk; Portsmouth |
| SenderName | NWS Wakefield VA |
| ZonesUsedForCentroid | 2 |
| ZoneCount | 9 |
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 Hampton?
Calamity.live data shows a weather event with CalamityScore 46/100, near Hampton (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.