This alert expired on 27 August 2026 at 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 51 recorded within 20 km of this point since 17 March 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 27 at 6:56PM EDT until August 27 at 7:45PM EDT by NWS Baltimore MD/Washington DC
An estimated 169,696 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 3, 2026 · score 43 · 3.7 km
- July 4, 2026 · score 43 · 5.0 km
- July 27, 2026 · score 37 · 10.4 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 79 % 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 | 79% |
| Coordinates | 41.3274, -75.7778 |
| Nearest City | Wilkes-Barre (12 km) |
| Population Exposed | 169.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-27T22:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.daf64efebc794c67085230a8d8b6a0c1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Carroll, MD; Frederick, MD; Howard, MD; Montgomery, MD; Loudoun, VA; Juniata, PA; Mifflin, PA; Snyder, PA; Columbia, PA; Lycoming, PA; Sullivan, PA and 9 more areas |
| Headline | Severe Thunderstorm Warning issued August 27 at 6:56PM EDT until August 27 at 7:45PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-08-27T19:45:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.daf64efebc794c67085230a8d8b6a0c19fe0d218.001.1","noaa_urn:oid:2.49.0.1.840.0.24b2325c819d65164e92df0193b2e53dec6abdfe.001.1","noaa_urn:oid:2.49.0.1.840.0.b128be3b26f2be136715c2b0195514d4d3554e56.002.1","noaa_urn:oid:2.49.0.1.840.0.66a452d1c8f89249c49bdf6f23969e435356f118.001.1","noaa_urn:oid:2.49.0.1.840.0.7afef25be0c63ec472cb0978eaad3abe4f65e31d.001.1","noaa_urn:oid:2.49.0.1.840.0.e208539d9a7abea8075f5a1ad33976eee0f908e0.001.1","noaa_urn:oid:2.49.0.1.840.0.ec061837967f4133b767c95385ca5245e13efc4f.001.1","noaa_urn:oid:2.49.0.1.840.0.f632014beb2873e1654c0aaa85d9b8c9a83f7c14.002.1","noaa_urn:oid:2.49.0.1.840.0.9c674ab6f462ec41be34bfe90b8f471935e48a7d.001.1","noaa_urn:oid:2.49.0.1.840.0.bc34ec034b1964b4c87e4e9e68d0e36868ec7d1e.001.1","noaa_urn:oid:2.49.0.1.840.0.a680d2fe222b076989e58b83d47874c003838aa1.001.1","noaa_urn:oid:2.49.0.1.840.0.6ecc3204e5a7648024f5945e66306bec346d00e0.002.1"] |
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 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.
Want to know when something happens near Wilkes-Barre?
Calamity.live data shows a weather event with CalamityScore 43/100, near Wilkes-Barre (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.