Right now
The most recent data we hold from NOAA arrived 22 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 15 June 2026 at 03:30 UTC. It is kept here as a record.
No stronger detection stands among the 341 recorded within 20 km of this point since 12 March 2026 — 250 others scored the same. The last comparable one was on 12 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 14 at 11:01PM EDT until June 14 at 11:30PM EDT by NWS Mount Holly NJ
An estimated 3,818,717 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 17, 2026 · score 52 · 8.1 km
- July 27, 2026 · score 52 · 8.2 km
- June 12, 2026 · score 46 · 8.9 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.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 40.2734, -74.8344 |
| Nearest City | Ewing (3 km) |
| Population Exposed | 3.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-15T03:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4993e06335177c3e79b5c2aedb0e1fe4 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hunterdon, NJ; Mercer, NJ; Bucks, PA; Chester, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA; Burlington, NJ; Mercer, NJ; Middlesex, NJ; Monmouth, NJ; Bucks, PA |
| Headline | Severe Thunderstorm Warning issued June 14 at 11:01PM EDT until June 14 at 11:30PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-14T23:30:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4993e06335177c3e79b5c2aedb0e1fe4de13c2ae.001.1","noaa_urn:oid:2.49.0.1.840.0.fb5fbf3b1878a7f313051ca67c624e833a8dec4a.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 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 Ewing?
Calamity.live data shows a weather event with CalamityScore 52/100, near Ewing (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.