Right now
The most recent data we hold from NOAA arrived 3 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 2 June 2026 at 23:05 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 14 May 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 2 at 5:55PM CDT until June 2 at 6:00PM CDT by NWS Grand Forks ND
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 | 48.5741, -98.3301 |
| Nearest City | Grand Forks (120 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-02T22:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4ca6cf24513c25ced652a2605a29407a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Nelson, ND; Ramsey, ND; Walsh, ND; Cavalier, ND |
| Headline | Severe Thunderstorm Warning issued June 2 at 5:55PM CDT until June 2 at 6:00PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-02T18:05:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4ca6cf24513c25ced652a2605a29407a8c7c90a3.001.1","noaa_urn:oid:2.49.0.1.840.0.6b43d4bf1d68d348e4176d5315a74058f98ad758.002.1","noaa_urn:oid:2.49.0.1.840.0.87be5e5d41ddd14707d854fb1c0990d29b64cea3.001.1","noaa_urn:oid:2.49.0.1.840.0.db120cbb1391159ccb170c22d30a01e87649e8fc.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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