Right now
The most recent data we hold from NOAA arrived 1 minute 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 08:15 UTC. It is kept here as a record.
It is the 13th strongest of the 45 detections recorded within 20 km of this point since 3 April 2026. The last comparable one was on 4 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 10 at 2:50AM CDT until June 10 at 3:15AM CDT by NWS Grand Forks ND
Nearby, since 3 April 2026
- July 7, 2026 · score 46 · 12.5 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 | 0.62/1 |
| Coordinates | 46.9058, -95.4826 |
| Nearest City | Moorhead (98 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-10T07:50:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.fcb239ce3031e887a3434f8486e08030 |
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: 2026-06-10T07:50:00.000Z.
First archived: 2026-06-10T07:57:40.887Z. 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 | Otter Tail, MN; Morrison, MN; Todd, MN; Clearwater, MN; Pennington, MN; Polk, MN; Red Lake, MN and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 10 at 2:50AM CDT until June 10 at 3:15AM CDT by NWS Grand Forks ND |
| Expires | 2026-06-10T03:15:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fcb239ce3031e887a3434f8486e08030a2fa597d.002.1","noaa_urn:oid:2.49.0.1.840.0.df4b895e3bfcf9a5e0d4151e42091001cbd45df5.001.1","noaa_urn:oid:2.49.0.1.840.0.1c8bb3a59c9ea979677cfeac2c5c99881c1444f9.001.1","noaa_urn:oid:2.49.0.1.840.0.c2672881dc0350f1332d85a3657000c0a3a028ef.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.
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