This alert expired on 30 August 2026 at 23:00 UTC. It is kept here as a record.
It is the 26th strongest of the 45 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 30 at 5:15PM CDT until August 30 at 6:00PM 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 · 1.8 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 | 46.8292, -102.7430 |
| Nearest City | Dickinson (7 km) |
| Population Exposed | 23.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-30T22:15:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Grant, ND; Morton, ND; Stark, ND; Harding, SD; Perkins, SD; Dunn, ND; Mercer, ND; Morton, ND; Stark, ND and 5 more areas |
| Headline | Severe Thunderstorm Warning issued August 30 at 5:15PM CDT until August 30 at 6:00PM CDT by NWS Bismarck ND |
| Expires | 2026-08-30T18:00:00-05:00 |
| SenderName | NWS Bismarck ND |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.13f4968eb68f200f1c5924c9223dbc2555235c3c.001.1","noaa_urn:oid:2.49.0.1.840.0.98ac7cefeb2f11231574fcee625f9254d9665454.001.1","noaa_urn:oid:2.49.0.1.840.0.073102ca769519807da797dab470faf4182079f4.001.1","noaa_urn:oid:2.49.0.1.840.0.cdda8755a5d85246bac61c3160d38d99a8ef2ee8.001.1","noaa_urn:oid:2.49.0.1.840.0.2726953b2aa75ca4561902e4a9bec65619dca673.001.1","noaa_urn:oid:2.49.0.1.840.0.61f5e456fa0a4ae845803640be6f098bc56bf784.001.1","noaa_urn:oid:2.49.0.1.840.0.7b6114b7d3f9ce7d7ccd7f65b0fe019c102b1e3c.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.