Right now
The most recent data we hold from NOAA arrived 37 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 11 June 2026 at 19:15 UTC. It is kept here as a record.
It is the 35th strongest of the 86 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 2:47PM EDT until June 11 at 3:15PM EDT by NWS Pittsburgh PA
Urban PEI: 65,042 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- August 7, 2026 · score 34 · 3.0 km
- August 10, 2026 · score 39 · 15.6 km
- July 10, 2026 · score 34 · 15.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 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) | 32 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 40.1107, -81.0088 |
| Nearest City | Wheeling (25 km) |
| Urban exposure index (PEI) | 65.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T18:47:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9f20d91ca27ff8c1cad6cff859f1d9f7 |
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: 2026-06-11T18:47:00.000Z.
First archived: 2026-06-11T18:52:19.721Z. 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 | Belmont, OH; Harrison, OH; Jefferson, OH; Allegheny, PA; Beaver, PA; Butler, PA; Lawrence, PA; Washington, PA; Brooke, WV; Hancock, WV; Ohio, WV; Carroll, OH; Columbiana, OH; Coshocton, OH; Harrison, OH; Jefferson, OH; Tuscarawas, OH; Coshocton, OH; Guernsey, OH; Muskingum, OH and 2 more areas |
| Headline | Severe Thunderstorm Warning issued June 11 at 2:47PM EDT until June 11 at 3:15PM EDT by NWS Pittsburgh PA |
| Expires | 2026-06-11T15:15:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9f20d91ca27ff8c1cad6cff859f1d9f71c13aa92.001.1","noaa_urn:oid:2.49.0.1.840.0.1ce393441061635b51b0f4016b0634ea8f967abe.001.1","noaa_urn:oid:2.49.0.1.840.0.b219622f35861879673f7a7910f306a4b77962a7.001.1","noaa_urn:oid:2.49.0.1.840.0.06e590e7d74239a52b7c5dcfaf9b8b8161e08781.002.1","noaa_urn:oid:2.49.0.1.840.0.5a9924053834d3b09435c9bb35c1bf97c02f96f0.001.1"] |
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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