Right now
The most recent data we hold from NOAA arrived 3 hours 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 12 June 2026 at 01:45 UTC. It is kept here as a record.
It is the 54th strongest of the 73 detections recorded within 20 km of this point since 12 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 9:04PM EDT until June 11 at 9:45PM EDT by NWS Mount Holly NJ
Urban PEI: 35,989 within a heuristic 50 km radius; not unique people.
Nearby, since 12 June 2026
- August 3, 2026 · score 34 · 8.3 km
- July 3, 2026 · score 43 · 13.1 km
- July 28, 2026 · score 67 · 13.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 28 / 100 |
| Legacy data-support index | 0.79/1 |
| Coordinates | 41.1744, -75.0345 |
| Nearest City | Sparta (37 km) |
| Urban exposure index (PEI) | 36.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T01:04:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.aee45feaacda637e559c872c4762bb9c |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-12T01:04:00.000Z.
First archived: 2026-06-12T01:05:50.252Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bucks, PA; Lehigh, PA; Montgomery, PA; Northampton, PA; Orange, NY; Carbon, PA; Monroe, PA and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 11 at 9:04PM EDT until June 11 at 9:45PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-11T21:45:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.aee45feaacda637e559c872c4762bb9c624c7090.002.1","noaa_urn:oid:2.49.0.1.840.0.0705275bd4ce7a4eaed30d915b255ada7f646562.001.1","noaa_urn:oid:2.49.0.1.840.0.aea3d6b08fd3830028068ae4a037dc5003e13b0a.001.1","noaa_urn:oid:2.49.0.1.840.0.45140a80b2c989c1c4c0f49786e683da5b3d882c.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.
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