Severe Weather near Lower Moyamensing
This alert expired on 2 September 2026 at 21:00 UTC. It is kept here as a record.
It is the 259th strongest of the 441 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 102 degrees expected. * WHERE...In Delaware, New Castle County. In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From 11 AM to 8 PM EDT Thursd...
An estimated 3,746,987 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 17, 2026 · score 52 · 1.6 km
- July 27, 2026 · score 52 · 2.3 km
- July 11, 2026 · score 52 · 3.6 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 | 39.9150, -75.1530 |
| Nearest City | Lower Moyamensing (1 km) |
| Population Exposed | 3.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T15:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-03T11:00:00-04:00 |
| Expires | 2026-09-02T17:00:00-04:00 |
| AreaDesc | New Castle; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Montgomery; Lower Bucks |
| SenderName | NWS Mount Holly NJ |
| ZonesUsedForCentroid | 8 |
| ZoneCount | 8 |
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 Lower Moyamensing?
Calamity.live data shows a weather event with CalamityScore 46/100, near Lower Moyamensing (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.