Reported by SPC today.
It is the 3rd strongest of the 17 detections recorded within 20 km of this point since 3 April 2026. The last comparable one was on 4 August 2026.
What the source measured
SPC reported: Wind 62 kt near 2 E Gatzke, Marshall, MN. MNDOT RWIS near Gatzke reported 40 mph sustained... gusting 62 mph at 1540 CDT. This site reported higher gust of 77 mph at 1530 CDT as thunderstorm was moving through. (FGF)
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 16 out of 100, at 70 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 70% |
| Coordinates | 48.4300, -95.7300 |
| Nearest City | Grand Forks (111 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T20:40:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 62 |
| Location | 2 E Gatzke |
| County | Marshall |
| State | MN |
| Comments | MNDOT RWIS near Gatzke reported 40 mph sustained... gusting 62 mph at 1540 CDT. This site reported higher gust of 77 mph at 1530 CDT as thunderstorm was moving through. (FGF) |
| Iem TypeSummary | G |
| Iem Magnitude | 62 |
| Iem Unit | MPH |
| Iem City | 2 E Gatzke |
| Iem County | Marshall |
| Iem State | MN |
| Iem Wfo | FGF |
| Iem Remark | MNDOT RWIS near Gatzke reported 40 mph sustained, gusting 62 mph at 1540 CDT. This site reported higher gust of 77 mph at 1530 CDT as thunderstorm was moving through, however this observation was deem |
| MergedSources | [{"id":"iem_G_48.430_-95.730_1788468000000","source":"iem","severity":"low","severityValue":25,"timestamp":1788468000000,"latitude":48.43,"longitude":-95.73}] |
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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Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.