This alert expired on 15 June 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 99 recorded within 20 km of this point since 16 March 2026 — 69 others scored the same. The last comparable one was on 11 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 14 at 8:18PM EDT until June 14 at 8:45PM EDT by NWS State College PA
An estimated 183,042 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 4, 2026 · score 43 · 2.9 km
- June 15, 2026 · score 43 · 3.0 km
- May 20, 2026 · score 43 · 8.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 39.7690, -77.4428 |
| Nearest City | Chambersburg (27 km) |
| Population Exposed | 183.0K within 50 km |
| Impact Tier | significant |
| Date | 2026-06-15 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.73e943781e69b0dfa59454e0b33939f5 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Tioga, PA; Carbon, PA; Monroe, PA; Blair, PA; Cambria, PA; Centre, PA; Huntingdon, PA; Mifflin, PA and 11 more areas |
| Headline | Severe Thunderstorm Warning issued June 14 at 8:18PM EDT until June 14 at 8:45PM EDT by NWS State College PA |
| Expires | 2026-06-14T20:45:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| MergedCount | 14 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.73e943781e69b0dfa59454e0b33939f5c48c1406.002.1","noaa_urn:oid:2.49.0.1.840.0.5c6a23c0b31e900be9cc289cef7c68a1083f2d26.001.1","noaa_urn:oid:2.49.0.1.840.0.6fed67b61bfd978470d9a2c3b4b7164ddcf69dc0.001.1","noaa_urn:oid:2.49.0.1.840.0.70be9279977c1368727b4aa5708bdf352ea586c9.002.1","noaa_urn:oid:2.49.0.1.840.0.38410f8b9fe11154576789890cfb810fd97c577a.001.1","noaa_urn:oid:2.49.0.1.840.0.9edd862f24ee551d9e1aec6d2898f67d06dfa43e.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:2.49.0.1.840.0.24b69118d66df0bfc18db0712b71979823273d13.001.1","noaa_urn:oid:2.49.0.1.840.0.5708a82398149bf3e9048ec7e4f9a534da911345.001.1","noaa_urn:oid:2.49.0.1.840.0.9b56603e3ee6ad748a975bd7a1374f4fdc8e3822.001.1","noaa_urn:oid:2.49.0.1.840.0.9c8a3356df8c869d102f2fded95b4782850a2b87.001.1","noaa_urn:oid:2.49.0.1.840.0.936162aa56dee6647935df40858f21439d4ad433.001.1"] |
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 43/100, near Chambersburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.