This alert expired on 20 July 2026 at 04:00 UTC. It is kept here as a record.
No stronger detection stands among the 27 recorded within 20 km of this point since 15 March 2026 — 23 others scored the same. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 19 at 10:23PM CDT until July 19 at 11:00PM CDT by NWS Bismarck ND
Nearby, since 15 March 2026
- August 11, 2026 · score 22 · 8.5 km
- July 10, 2026 · score 22 · 18.0 km
- June 8, 2026 · score 22 · 18.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 46.1919, -98.7577 |
| Nearest City | Jamestown (80 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-20T03:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.e55115f956ebf1d67be85c3bd886a968 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Logan, ND; McIntosh, ND; Dickey, ND; Dickey, ND; LaMoure, ND |
| Headline | Severe Thunderstorm Warning issued July 19 at 10:23PM CDT until July 19 at 11:00PM CDT by NWS Bismarck ND |
| Expires | 2026-07-19T23:00:00-05:00 |
| SenderName | NWS Bismarck ND |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e55115f956ebf1d67be85c3bd886a968422936a3.001.1","noaa_urn:oid:2.49.0.1.840.0.50c3b11d03524d74a3e9428913ef3fb6bec9d49b.001.1","noaa_urn:oid:2.49.0.1.840.0.8e2bb8a9a63fbdd6dbdb71cd4b3ebbdb764e232c.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 8 March 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 in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.