Reported by SPC today.
It is the 8th strongest of the 23 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 9 August 2026.
What the source measured
SPC reported: Wind UNK kt near Algona, Kossuth, IA. Trained spotter reports several large branches down and a tree split and blocking the street. Appears to be limited to just his block. Time estimated. (DMX)
Nearby, since 15 March 2026
- September 3, 2026 · score 16 · 0.0 km
- June 28, 2026 · score 22 · 16.3 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 16 out of 100, at 56 % 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 | 56% |
| Coordinates | 43.0700, -94.2300 |
| Nearest City | Fort Dodge (64 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T08:10:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | Algona |
| County | Kossuth |
| State | IA |
| Comments | Trained spotter reports several large branches down and a tree split and blocking the street. Appears to be limited to just his block. Time estimated. (DMX) |
| Iem TypeSummary | D |
| Iem City | Algona |
| Iem County | Kossuth |
| Iem State | IA |
| Iem Wfo | DMX |
| Iem Remark | Trained spotter reports several large branches down and a tree split and blocking the street. Appears to be limited to just his block. Time estimated. |
| MergedSources | [{"id":"iem_D_43.070_-94.230_1788423000000","source":"iem","severity":"low","severityValue":25,"timestamp":1788423000000,"latitude":43.07,"longitude":-94.23}] |
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.
Want to know when something happens in this area?
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.