This alert expired on 30 June 2026 at 11:15 UTC. It is kept here as a record.
It is the 6th strongest of the 16 detections recorded within 20 km of this point since 15 March 2026. 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 30 at 5:31AM CDT until June 30 at 6:15AM CDT by NWS Twin Cities/Chanhassen MN
An estimated 67,962 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 20, 2026 · score 39 · 9.7 km
- June 7, 2026 · score 39 · 20.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 81% |
| Coordinates | 43.8223, -93.4447 |
| Nearest City | Albert Lea (20 km) |
| Population Exposed | 68.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-30T10:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2f3d6add645f599eec1b4fe111f3a09b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Freeborn, MN; Steele, MN; Freeborn, MN; Waseca, MN |
| Headline | Severe Thunderstorm Warning issued June 30 at 5:31AM CDT until June 30 at 6:15AM CDT by NWS Twin Cities/Chanhassen MN |
| Expires | 2026-06-30T06:15:00-05:00 |
| SenderName | NWS Twin Cities/Chanhassen MN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2f3d6add645f599eec1b4fe111f3a09b1b95bf05.001.1","noaa_urn:oid:2.49.0.1.840.0.10358964de0ceb0c0f1d020f47756c09a29d84f7.002.1"] |
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 10 February 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 near Albert Lea?
Calamity.live data shows a weather event with CalamityScore 32/100, near Albert Lea (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.