Right now
The most recent data we hold from NOAA arrived 88 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 12 June 2026 at 01:00 UTC. It is kept here as a record.
It is the 16th strongest of the 58 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 8:12PM EDT until June 11 at 9:00PM EDT by NWS Mount Holly NJ
Urban PEI: 312,573 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- June 11, 2026 · score 37 · 1.8 km
- July 6, 2026 · score 43 · 10.9 km
- July 15, 2026 · score 43 · 14.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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) | 37 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 40.9391, -75.7812 |
| Nearest City | Hazleton (16 km) |
| Urban exposure index (PEI) | 312.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T00:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.85d98c7068aaec573a486314e19a19d5 |
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: 2026-06-12T00:12:00.000Z.
First archived: 2026-06-12T00:14:23.132Z. 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 | Berks, PA; Carbon, PA; Lehigh, PA; Columbia, PA; Lebanon, PA; Northumberland, PA; Schuylkill, PA; Sullivan, PA; Carbon, PA; Monroe, PA and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 11 at 8:12PM EDT until June 11 at 9:00PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-11T21:00:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.85d98c7068aaec573a486314e19a19d507bfe5ba.001.1","noaa_urn:oid:2.49.0.1.840.0.5be442b2ee7c43f403c94b37a6cc5cf3a0a8f814.002.1","noaa_urn:oid:2.49.0.1.840.0.1e86a3a944430fb71b686bbd470b949e3d2c49ec.001.1","noaa_urn:oid:2.49.0.1.840.0.d6b34ddece2b34437ee40e9c634560717475416d.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.
Review the area, threshold and delivery channel in your account.
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