Right now
The most recent data we hold from NOAA arrived 89 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 12 June 2026 at 00:00 UTC. It is kept here as a record.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued June 11 at 6:07PM EDT until June 11 at 8:00PM EDT by NWS State College PA
Urban PEI: 29,201 within a heuristic 50 km radius; not unique people.
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 | 0.80/1 |
| Coordinates | 41.2000, -77.2000 |
| Nearest City | Williamsport (17 km) |
| Urban exposure index (PEI) | 29.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T22:07:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.dd36f028b41bd3fed33fdc3fa070e716 |
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: 2026-06-11T22:07:00.000Z.
First archived: 2026-06-11T23:06:36.182Z. 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 Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Cambria, PA; Potter, PA; Somerset, PA; Adams, PA; Bedford, PA; Blair, PA; Centre, PA; Clinton, PA; Columbia, PA; Cumberland, PA; Dauphin, PA; Franklin, PA; Fulton, PA; Huntingdon, PA; Juniata, PA; Lancaster, PA; Lebanon, PA; Lycoming, PA; Mifflin, PA; Montour, PA; Northumberland, PA; Perry, PA; Schuylkill, PA; Snyder, PA; Sullivan, PA; Tioga, PA; Union, PA; York, PA |
| Headline | Severe Thunderstorm Watch issued June 11 at 6:07PM EDT until June 11 at 8:00PM EDT by NWS State College PA |
| Expires | 2026-06-11T20:00:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.dd36f028b41bd3fed33fdc3fa070e7161ec6a0d7.003.1","noaa_urn:oid:2.49.0.1.840.0.dd36f028b41bd3fed33fdc3fa070e7161ec6a0d7.002.1"] |
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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