Right now
The most recent data we hold from NOAA arrived this minute, 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 2 June 2026 at 23:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 25 detections recorded within 20 km of this point since 17 April 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 2 at 5:22PM CDT until June 2 at 6:00PM CDT by NWS Grand Forks ND
Nearby, since 17 April 2026
- June 29, 2026 · score 46 · 14.8 km
- July 9, 2026 · score 22 · 20.4 km
- July 9, 2026 · score 22 · 20.6 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 60 % 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 | 60% |
| Coordinates | 48.4146, -98.8259 |
| Nearest City | Grand Forks (144 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-02T22:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.88e8ce7a9edd875cf1395f69de3a0287 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Nelson, ND; Ramsey, ND; Benson, ND; Cavalier, ND; Towner, ND |
| Headline | Severe Thunderstorm Warning issued June 2 at 5:22PM CDT until June 2 at 6:00PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-02T18:00:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.88e8ce7a9edd875cf1395f69de3a028702c56bd3.001.1","noaa_urn:oid:2.49.0.1.840.0.8d17b92af6b9a19befed35929d103cb390a3d6c9.001.1","noaa_urn:oid:2.49.0.1.840.0.5c5f82a5512acf3d41f6da7c0c61f2cf992ccb67.001.1"] |
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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