Right now
The most recent data we hold from NOAA arrived 7 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 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 13 recorded within 20 km of this point since 17 April 2026 — 6 others scored the same. 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 3:47PM CDT until June 2 at 4:15PM CDT by NWS Grand Forks ND
Nearby, since 17 April 2026
- June 2, 2026 · score 22 · 19.9 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 | 48.6215, -99.3615 |
| Nearest City | Brandon (143 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-02T20:47:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f634f8d0a4190d852742e0aba07471fb |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cavalier, ND; Towner, ND; McHenry, ND; Pierce, ND; Towner, ND |
| Headline | Severe Thunderstorm Warning issued June 2 at 3:47PM CDT until June 2 at 4:15PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-02T16:15:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f634f8d0a4190d852742e0aba07471fb6228a823.001.1","noaa_urn:oid:2.49.0.1.840.0.4e84385aae4abfc4dd6192c856a62644a2bcc3d5.002.1","noaa_urn:oid:2.49.0.1.840.0.9cea003056c21a38d2a78a76765662199b7f33fb.001.1","noaa_urn:oid:2.49.0.1.840.0.0fce52f38861051a67ca92c2c820ac94dd3052e9.001.1"] |
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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