Reported by SPC 173 days ago.
No stronger detection stands among the 103 recorded within 20 km of this point since 13 March 2026 — one other scored the same.
What the source measured
SPC reported: Wind UNK kt near 2 NNW Fort Collins, Larimer, CO. Roof of a condominium building blown off. Time and location estimated. Estimated wind gusts of 80 mph at the time. (BOU)
An estimated 490,123 people live within 50 km of this point.
Nearby, since 13 March 2026
- July 22, 2026 · score 43 · 17.1 km
How we know
Confirmed by 73 independent sources, including SPC.
Our own score for this event is 43 out of 100, at 69 % 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) | 43 / 100 |
| Our confidence | 69% |
| Coordinates | 40.5800, -105.0800 |
| Nearest City | Fort Collins (1 km) |
| Population Exposed | 490.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-13T09:14:58.877Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
35
intensity
70
population
0
cascading
80
historical
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 2 NNW Fort Collins |
| County | Larimer |
| State | CO |
| Comments | Roof of a condominium building blown off. Time and location estimated. Estimated wind gusts of 80 mph at the time. (BOU) |
| Iem TypeSummary | N |
| Iem Magnitude | 69 |
| Iem Unit | MPH |
| Iem City | 5 E Buford |
| Iem County | Laramie |
| Iem State | WY |
| Iem Wfo | CYS |
| Iem Remark | WYDOT Sensor at Remount Road. Sustained winds at 50 MPH. |
| MergedSources | 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|
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 near Fort Collins?
Calamity.live data shows a weather event with CalamityScore 43/100, near Fort Collins (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.