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.
5 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 4 June 2026 at 04:00 UTC. It is kept here as a record.
No stronger detection stands among the 191 recorded within 20 km of this point since 15 March 2026 — 21 others scored the same. The last comparable one was on 3 June 2026. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued June 3 at 8:10PM CDT until June 3 at 11:00PM CDT by NWS Grand Forks ND
An estimated 16,788 people live within 50 km of this point.
Nearby, since 15 March 2026
- September 11, 2026 · score 28 · 0.0 km
- September 4, 2026 · score 28 · 0.0 km
- September 3, 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 46 out of 100, at 81 % 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) | 46 / 100 |
| Our confidence | 81% |
| Coordinates | 46.0000, -94.3000 |
| Nearest City | Sartell (43 km) |
| Population Exposed | 16.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-04T01:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Watch_noaa_urn:oid:2.49.0.1.840.0.55bc78842466fd2bdd26fb1b67332c3d |
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Wilkin, MN; Richland, ND; Big Stone, MN; Traverse, MN; Brown, SD; Buffalo, SD; Clark, SD; Codington, SD; Day, SD; Deuel, SD; Edmunds, SD; Faulk, SD; Grant, SD; Hamlin, SD; Hand, SD; Hughes, SD; Hyde, SD; Jones, SD; Lyman, SD; McPherson, SD; Marshall, SD; Roberts, SD; Spink, SD; Stanley, SD; Sully, SD |
| Headline | Tornado Watch issued June 3 at 8:10PM CDT until June 3 at 11:00PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-03T23:00:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.55bc78842466fd2bdd26fb1b67332c3d9ae0a2f7.002.1","noaa_urn:oid:2.49.0.1.840.0.b611d19129bae0db7db3aacd738d6ad3e666658f.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.
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