Right now
The most recent data we hold from NOAA arrived 19 minutes 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 10 June 2026 at 00:15 UTC. It is kept here as a record.
It is the 5th strongest of the 9 detections recorded within 20 km of this point since 9 June 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 9 at 6:40PM CDT until June 9 at 7:15PM CDT by NWS Bismarck ND
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 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) | 16 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 47.7088, -102.2774 |
| Nearest City | Minot (93 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-09T23:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3ac4da6ce5b7ed54b7b07ef15daa0950 |
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: 2026-06-09T23:40:00.000Z.
First archived: 2026-06-09T23:44:17.590Z. 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 Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | McLean, ND; Mercer, ND; Mountrail, ND; Ward, ND; Divide, ND; Divide, ND; Williams, ND and 4 more areas |
| Headline | Severe Thunderstorm Warning issued June 9 at 6:40PM CDT until June 9 at 7:15PM CDT by NWS Bismarck ND |
| Expires | 2026-06-09T19:15:00-05:00 |
| SenderName | NWS Bismarck ND |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3ac4da6ce5b7ed54b7b07ef15daa09501d44bc95.001.1","noaa_urn:oid:2.49.0.1.840.0.7f518771304edc89e7b7f6c41e6a455402157f70.001.1","noaa_urn:oid:2.49.0.1.840.0.11a6b1dde96377391d6facd154077354e70cde19.001.1","noaa_urn:oid:2.49.0.1.840.0.518c052d7ac66b5ee5b57f30a61c760f5396dc3b.002.1","noaa_urn:oid:2.49.0.1.840.0.86dcb952001b4d2abd1fbda55091cc0e9742b5e9.001.1","noaa_urn:oid:2.49.0.1.840.0.70157a1a3df8522ee4f52262cd28f6f6da171e02.001.1","noaa_urn:oid:2.49.0.1.840.0.4e7dc9d6293e8a834587bf5e50e93b2730498292.001.1"] |
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.
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