This alert expired on 19 June 2026 at 20:30 UTC. It is kept here as a record.
No stronger detection stands among the 39 recorded within 20 km of this point since 15 March 2026 — 4 others scored the same. The last comparable one was on 10 June 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 19 at 3:01PM CDT until June 19 at 3:30PM CDT by NWS Duluth MN
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 59 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 59% |
| Coordinates | 46.5742, -94.7183 |
| Nearest City | Sartell (113 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-19T20:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.68aaa3be9411eb52c61dfe4a796077e6 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cass, MN; Wadena, MN |
| Headline | Tornado Warning issued June 19 at 3:01PM CDT until June 19 at 3:30PM CDT by NWS Duluth MN |
| Expires | 2026-06-19T15:30:00-05:00 |
| SenderName | NWS Duluth MN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.68aaa3be9411eb52c61dfe4a796077e691265b03.001.1","noaa_urn:oid:2.49.0.1.840.0.2bb22359e0ce1b1ab6a7f173e56ec6bf35b0b5e6.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.