This alert expired on 30 August 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 20 recorded within 20 km of this point since 15 March 2026 — 4 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 30 at 4:55PM CDT until August 30 at 5:45PM CDT by NWS Bismarck ND
An estimated 23,765 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 30, 2026 · score 34 · 4.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 46.8219, -102.7028 |
| Nearest City | Dickinson (9 km) |
| Population Exposed | 23.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-30T21:55:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dunn, ND; Mercer, ND; Morton, ND; Stark, ND; Mountrail, ND; Ward, ND; Adams, ND; Bowman, ND and 3 more areas |
| Headline | Severe Thunderstorm Warning issued August 30 at 4:55PM CDT until August 30 at 5:45PM CDT by NWS Bismarck ND |
| Expires | 2026-08-30T17:45:00-05:00 |
| SenderName | NWS Bismarck ND |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a8cdedaab908da9b76cd1b94c14a9acdfd20a722.001.1","noaa_urn:oid:2.49.0.1.840.0.fc4d27c2cb090cf411c71d1e92e8a7ce15650663.001.1","noaa_urn:oid:2.49.0.1.840.0.5f526babf3d51dee74bd4e348512bc3dd221754f.001.1","noaa_urn:oid:2.49.0.1.840.0.bded083795c055c4189fe474d578d3477e60c3ff.001.1","noaa_urn:oid:2.49.0.1.840.0.8ccbf8e9c843ff3201553c02651d59b0b636f7dc.001.1","noaa_urn:oid:2.49.0.1.840.0.9636c5ed0a462f070ae7565f8c90b11f6ecbdbb4.001.1"] |
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 34/100, near Dickinson (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.