This alert expired on 15 June 2026 at 00:45 UTC. It is kept here as a record.
It is the 4th strongest of the 19 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 11 June 2026. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 14 at 8:00PM EDT until June 14 at 8:45PM EDT by NWS Charleston WV
An estimated 65,310 people live within 50 km of this point.
Nearby, since 11 March 2026
- June 11, 2026 · score 32 · 3.8 km
- March 12, 2026 · score 39 · 7.3 km
- March 11, 2026 · score 45 · 9.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 40.2218, -78.5189 |
| Nearest City | Altoona (35 km) |
| Population Exposed | 65.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-15T00:00:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Barbour, WV; Gilmer, WV; Harrison, WV; Lewis, WV; Taylor, WV; Upshur, WV; Fayette, PA; Marion, WV; Monongalia, WV; Preston, WV; Blair, PA; Cambria, PA; Centre, PA; Clinton, PA; Huntingdon, PA; Lycoming, PA and 4 more areas |
| Headline | Severe Thunderstorm Warning issued June 14 at 8:00PM EDT until June 14 at 8:45PM EDT by NWS Charleston WV |
| Expires | 2026-06-14T20:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9edd862f24ee551d9e1aec6d2898f67d06dfa43e.002.1","noaa_urn:oid:2.49.0.1.840.0.946c088e13ef012bdc91340461e2c8dc976bdd56.001.1","noaa_urn:oid:2.49.0.1.840.0.a8a9509d6a8bb87742745062c0f302c77db45152.002.1","noaa_urn:oid:2.49.0.1.840.0.34e6668b8441a1e5252eb25bdf96588d89f56dfe.001.1","noaa_urn:oid:2.49.0.1.840.0.73ac52de6fe8903a58e8c20919351a12c681be75.001.1","noaa_urn:oid:2.49.0.1.840.0.bcb44a1ec8a97339d0f08d0d3622483dfc8ce80d.001.1","noaa_urn:oid:2.49.0.1.840.0.554a468bd9bdbd40f7426d02c1f26ba8b366c241.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 39/100, near Altoona (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.