This alert expired on 28 August 2026 at 01:30 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 16 March 2026 — 4 others scored the same. The last comparable one was on 21 August 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 27 at 9:01PM EDT until August 27 at 9:30PM EDT by NWS Mount Holly NJ
An estimated 194,592 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 43 · 11.9 km
- March 16, 2026 · score 43 · 14.2 km
- June 12, 2026 · score 37 · 15.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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 | 90% |
| Coordinates | 41.0860, -75.7058 |
| Nearest City | Wilkes-Barre (23 km) |
| Population Exposed | 194.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-28T01:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7a8b1a0bbeac33d89e87d4e3f2a35d83 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Berks, PA; Columbia, PA; Ulster, NY |
| Headline | Severe Thunderstorm Warning issued August 27 at 9:01PM EDT until August 27 at 9:30PM EDT by NWS Mount Holly NJ |
| Expires | 2026-08-27T21:30:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7a8b1a0bbeac33d89e87d4e3f2a35d833aabff70.001.1","noaa_urn:oid:2.49.0.1.840.0.0513f0f55f11c4a7a69093ada7ce5fc2ed83d5db.002.1","noaa_urn:oid:2.49.0.1.840.0.b0f72523da285edac9c9e8bb1c94ee3c48a05b5d.001.1"] |
| Iem TypeSummary | R |
| Iem Magnitude | 2.03 |
| Iem Unit | Inch |
| Iem City | 2 WSW Forks Twp |
| Iem County | Northampton |
| Iem State | PA |
| Iem Wfo | PHI |
| Iem Remark | Mesonet station EW6498 Easton. |
| MergedSources | [{"id":"iem_R_40.700_-75.200_1787859000000","source":"iem","severity":"low","severityValue":25,"timestamp":1787859000000,"latitude":40.7,"longitude":-75.2},{"id":"iem_R_40.720_-75.220_1787868900000","source":"iem","severity":"low","severityValue":25,"timestamp":1787868900000,"latitude":40.72,"longitude":-75.22}] |
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.