Right now
The most recent data we hold from NOAA arrived 7 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 25 June 2026 at 23:20 UTC. It is kept here as a record.
It is the 4th strongest of the 64 detections recorded within 20 km of this point since 17 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 25 at 7:10PM EDT until June 25 at 7:15PM EDT by NWS Pittsburgh PA
Urban PEI: 84,492 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- June 25, 2026 · score 43 · 12.3 km
- September 4, 2026 · score 37 · 12.6 km
- August 2, 2026 · score 37 · 13.9 km
How we know
6 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 39 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) | 39 / 100 |
| Legacy data-support index | 0.87/1 |
| Coordinates | 40.5022, -80.7648 |
| Nearest City | Weirton (17 km) |
| Urban exposure index (PEI) | 84.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-25T23:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4fea9add4ec90932446fecb05b9a3874 |
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: 2026-06-25T23:10:00.000Z.
First archived: 2026-06-25T23:14:19.778Z. 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; Monroe, OH; Greene, PA; Marshall, WV; Wetzel, WV; Geauga, OH; Portage, OH; Trumbull, OH |
| Headline | Severe Thunderstorm Warning issued June 25 at 7:10PM EDT until June 25 at 7:15PM EDT by NWS Pittsburgh PA |
| Expires | 2026-06-25T19:20:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4fea9add4ec90932446fecb05b9a38745f9d5b8b.001.1","noaa_urn:oid:2.49.0.1.840.0.200ca3d93c6e4b75cf7e02687b971e7d002db788.001.1"] |
| Iem TypeSummary | C |
| Iem City | 5 W Hanoverton |
| Iem County | Columbiana |
| Iem State | OH |
| Iem Wfo | PBZ |
| Iem Remark | Spotter Network report from 25067 Buffalo Road. |
| MergedSources | [{"id":"iem_H_40.770_-80.760_1782426480000","source":"iem","severity":"low","severityValue":25,"timestamp":1782426480000,"latitude":40.77,"longitude":-80.76},{"id":"iem_D_40.760_-80.940_1782425640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782425640000,"latitude":40.76,"longitude":-80.94},{"id":"iem_H_40.790_-80.760_1782426180000","source":"iem","severity":"low","severityValue":25,"timestamp":1782426180000,"latitude":40.79,"longitude":-80.76},{"id":"iem_H_40.830_-81.250_1782423960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782423960000,"latitude":40.83,"longitude":-81.25},{"id":"iem_C_40.760_-81.030_1782425280000","source":"iem","severity":"low","severityValue":25,"timestamp":1782425280000,"latitude":40.76,"longitude":-81.03}] |
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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