Right now
The most recent data we hold from NOAA arrived 2 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 8 June 2026 at 06:00 UTC. It is kept here as a record.
It is the 18th strongest of the 79 detections recorded within 20 km of this point since 2 June 2026. The last comparable one was on 7 June 2026. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued June 7 at 10:21PM CDT until June 8 at 1:00AM CDT by NWS Bismarck ND
Nearby, since 2 June 2026
- September 8, 2026 · score 28 · 0.0 km
- September 7, 2026 · score 28 · 0.0 km
- August 31, 2026 · score 22 · 0.0 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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.61/1 |
| Coordinates | 47.5000, -100.5000 |
| Nearest City | Bismarck (80 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-08T03:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.edfd45ea35fe494b52fe8aeda69154c5 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-08T03:21:00.000Z.
First archived: 2026-06-08T04:26:44.844Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Adams, ND; Bottineau, ND; Burke, ND; Burleigh, ND; Dunn, ND; Grant, ND; Hettinger, ND; McHenry, ND; McLean, ND; Mercer, ND; Morton, ND; Mountrail, ND; Oliver, ND; Pierce, ND; Renville, ND; Rolette, ND; Sheridan, ND; Sioux, ND; Stark, ND; Ward, ND; Dickey, ND; Emmons, ND; Foster, ND; Kidder, ND; LaMoure, ND; Logan, ND; McIntosh, ND; Stutsman, ND; Wells, ND |
| Headline | Severe Thunderstorm Watch issued June 7 at 10:21PM CDT until June 8 at 1:00AM CDT by NWS Bismarck ND |
| Expires | 2026-06-08T01:00:00-05:00 |
| SenderName | NWS Bismarck ND |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.edfd45ea35fe494b52fe8aeda69154c52f0a7333.003.1","noaa_urn:oid:2.49.0.1.840.0.edfd45ea35fe494b52fe8aeda69154c52f0a7333.002.1"] |
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.
Review the area, threshold and delivery channel in your account.
Want to know when something happens in this area?