This alert expired on 30 August 2026 at 23:15 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 15 March 2026 — 11 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 5:31PM CDT until August 30 at 6:15PM 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 · 21.7 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 | 46.8993, -102.5438 |
| Nearest City | Dickinson (19 km) |
| Population Exposed | 23.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-30T22:31:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Billings, ND; Golden Valley, ND; Grant, ND; Morton, ND; Stark, ND; Mountrail, ND; Ward, ND and 7 more areas |
| Headline | Severe Thunderstorm Warning issued August 30 at 5:31PM CDT until August 30 at 6:15PM CDT by NWS Bismarck ND |
| Expires | 2026-08-30T18:15:00-05:00 |
| SenderName | NWS Bismarck ND |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2e8aad941ea563bbd0e5644d3ed45753fcbb64ed.001.1","noaa_urn:oid:2.49.0.1.840.0.e0c34ddb183c528742a7423378b7cad850300275.001.1","noaa_urn:oid:2.49.0.1.840.0.150e5bd9a771f3fb6c4b8a55c1b02daae87c5d9c.001.1","noaa_urn:oid:2.49.0.1.840.0.219d3e1c4a17d022ba208134d38ab928c8f75a34.001.1","noaa_urn:oid:2.49.0.1.840.0.0175a1435cb49f75f87d48ae4b5a203f2e6dd4cf.001.1","noaa_urn:oid:2.49.0.1.840.0.9dcf8ccc50b900ef2407294742632ae1b9048d1e.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:2.49.0.1.840.0.2726953b2aa75ca4561902e4a9bec65619dca673.001.1","noaa_urn:oid:2.49.0.1.840.0.19da3e475a47e7a220671a6755a29f79887a53cc.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.