Reported by SPC today.
No stronger detection stands among the 91 recorded within 20 km of this point since 18 March 2026 — 53 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
SPC reported: Wind 61 kt near 13 N Chester, Liberty, MT. Mesonet station DW4776 Chester. (TFX)
Nearby, since 18 March 2026
- September 2, 2026 · score 16 · 19.7 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 16 out of 100, at 62 % 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 | 62% |
| Coordinates | 48.7000, -110.9800 |
| Nearest City | Great Falls (136 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T04:34:34.665Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 61 |
| Location | 13 N Chester |
| County | Liberty |
| State | MT |
| Comments | Mesonet station DW4776 Chester. (TFX) |
| Iem TypeSummary | G |
| Iem Magnitude | 61 |
| Iem Unit | MPH |
| Iem City | 13 N Chester |
| Iem County | Liberty |
| Iem State | MT |
| Iem Wfo | TFX |
| Iem Remark | Mesonet station DW4776 Chester. |
| MergedSources | [{"id":"iem_G_48.700_-110.980_1788390000000","source":"iem","severity":"low","severityValue":25,"timestamp":1788390000000,"latitude":48.7,"longitude":-110.98}] |
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.