This alert expired on 23 June 2026 at 23:00 UTC. It is kept here as a record.
It is the 11th strongest of the 36 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 23 at 5:22PM CDT until June 23 at 6:00PM CDT by NWS Grand Forks ND
Nearby, since 15 March 2026
- July 4, 2026 · score 58 · 21.9 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 68 % 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 | 68% |
| Coordinates | 45.7772, -95.0288 |
| Nearest City | Sartell (66 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-23T22:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7d8116d3dd5ba5e7a624e5e63cfe8168 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Becker, MN; Kandiyohi, MN; Carver, MN; Sibley, MN |
| Headline | Severe Thunderstorm Warning issued June 23 at 5:22PM CDT until June 23 at 6:00PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-23T18:00:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7d8116d3dd5ba5e7a624e5e63cfe8168990e8fe9.001.1","noaa_urn:oid:2.49.0.1.840.0.4c7b3930d9ed9cdb5d35b13d2932455fced6fa16.001.1","noaa_urn:oid:2.49.0.1.840.0.177f49b56d437c4763f94faf0380938efecfd7a6.001.1","noaa_urn:oid:2.49.0.1.840.0.d4c1aa6e0600ab2b403d9c74e7de09fe36eff57b.001.1","noaa_urn:oid:2.49.0.1.840.0.2f38c5a8f11e89e688cf3d7177d4d7cb0536c6f6.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 4 SE Cyrus |
| Iem County | Pope |
| Iem State | MN |
| Iem Wfo | MPX |
| MergedSources | [{"id":"iem_H_45.610_-95.550_1782249900000","source":"iem","severity":"low","severityValue":25,"timestamp":1782249900000,"latitude":45.61,"longitude":-95.55},{"id":"iem_H_45.570_-95.680_1782249480000","source":"iem","severity":"low","severityValue":25,"timestamp":1782249480000,"latitude":45.57,"longitude":-95.68}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.