This alert expired on 6 July 2026 at 18:15 UTC. It is kept here as a record.
No stronger detection stands among the 441 recorded within 20 km of this point since 12 March 2026 — 307 others scored the same. Another comparable one was recorded here earlier the same day. 60 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 6 at 10:15AM EDT until July 6 at 2:15PM EDT by NWS Mount Holly NJ
An estimated 3,694,514 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 23, 2026 · score 52 · 3.0 km
- March 17, 2026 · score 52 · 3.4 km
- March 12, 2026 · score 52 · 4.0 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 81 % 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 | 81% |
| Coordinates | 39.9543, -75.0546 |
| Nearest City | Pennsauken (1 km) |
| Population Exposed | 3.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T14:15:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Burlington, NJ; Camden, NJ; Gloucester, NJ; Bucks, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA; Hunterdon, NJ; Mercer, NJ; Somerset, NJ; Cumberland, NJ; Gloucester, NJ; Salem, NJ |
| Headline | Flash Flood Warning issued July 6 at 10:15AM EDT until July 6 at 2:15PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-06T14:15:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d51d3218e873375105429d2e7d7462dbc7f89f03.001.1","noaa_urn:oid:2.49.0.1.840.0.8a449b81f924ef66442ffa5ce02858027e005bd6.001.1","noaa_urn:oid:2.49.0.1.840.0.7325006a16188d216ee3b2bd5a79b904e64a4ccf.001.1"] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 Pennsauken (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.