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 25 May 2026 at 04:00 UTC. It is kept here as a record.
It is the 35th strongest of the 186 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 23 May 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued May 24 at 4:53PM CDT until May 24 at 11:00PM CDT by NWS Twin Cities/Chanhassen MN
An estimated 16,788 people live within 50 km of this point.
Nearby, since 15 March 2026
- September 4, 2026 · score 28 · 0.0 km
- September 3, 2026 · score 28 · 0.0 km
- September 2, 2026 · score 28 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 79 % 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) | 34 / 100 |
| Our confidence | 79% |
| Coordinates | 46.0000, -94.3000 |
| Nearest City | Sartell (43 km) |
| Population Exposed | 16.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-24T21:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.48dd016f84c7cb3c8f8861f94ede3e413ba99d1c.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Brown, MN; Chippewa, MN; Kandiyohi, MN; Lac qui Parle, MN; McLeod, MN; Meeker, MN; Nicollet, MN; Redwood, MN; Renville, MN; Sibley, MN; Swift, MN; Watonwan, MN; Yellow Medicine, MN |
| Headline | Severe Thunderstorm Watch issued May 24 at 4:53PM CDT until May 24 at 11:00PM CDT by NWS Twin Cities/Chanhassen MN |
| Expires | 2026-05-24T23:00:00-05:00 |
| SenderName | NWS Twin Cities/Chanhassen MN |
| HasExactCoords | false |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.