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 25 May 2026 at 00:22 UTC. It is kept here as a record.
No stronger detection stands among the 32 recorded within 20 km of this point since 15 March 2026 — 8 others scored the same. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 24 at 7:12PM CDT until May 24 at 7:15PM CDT by NWS Twin Cities/Chanhassen MN
An estimated 41,044 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 24, 2026 · score 34 · 11.0 km
- August 7, 2026 · score 34 · 17.9 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 | 44.2889, -94.2763 |
| Nearest City | Mankato (26 km) |
| Population Exposed | 41.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-25T00:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3768f0cb0ac7988f1eace39e77e1a296 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Nicollet, MN; Blue Earth, MN; Le Sueur, MN; Nicollet, MN; Blue Earth, MN; Brown, MN; Nicollet, MN |
| Headline | Severe Thunderstorm Warning issued May 24 at 7:12PM CDT until May 24 at 7:15PM CDT by NWS Twin Cities/Chanhassen MN |
| Expires | 2026-05-24T19:22:00-05:00 |
| SenderName | NWS Twin Cities/Chanhassen MN |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3768f0cb0ac7988f1eace39e77e1a296983c70f4.001.1","noaa_urn:oid:2.49.0.1.840.0.773aa76222dbbc5fb4915e14ea0b08265279c7ae.001.1","noaa_urn:oid:2.49.0.1.840.0.23060230c77bfef6c908f19f699f04de5d2b93fb.002.1","noaa_urn:oid:2.49.0.1.840.0.a6eefd2f8e398ddb6c7971d91421cfff65c67adc.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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