Right now
The most recent data we hold from SPC arrived 11 minutes ago, and this point is in it.
5 other detections within 20 km in the last 24 hours, the nearest 14 km from here.
Reported by SPC today.
No stronger detection stands among the 8 recorded within 20 km of this point since 1 April 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Tornado reported near Arboles, Archuleta, CO. [Landspout] (GJT)
Nearby, since 1 April 2026
- September 14, 2026 · score 28 · 17.5 km
How we know
2 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 28 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 28 / 100 |
| Legacy data-support index | 0.61/1 |
| Coordinates | 37.0200, -107.3900 |
| Nearest City | Durango (52 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-15T02:31:09.705Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: spc. Occurrence: 2026-09-15T02:31:09.705Z.
First archived: 2026-09-14T22:58:20.856Z. Material modification: 2026-09-15T02:33:39.050Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-15T02:33:39.050Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-15T02:28:18.759Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-15T02:23:01.293Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-15T02:17:44.601Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-14T23:46:51.581Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-14T23:41:30.548Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-14T23:30:47.422Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-14T23:20:04.752Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-14T23:14:42.691Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | tornado |
| Speed | UNK |
| Location | Arboles |
| County | Archuleta |
| State | CO |
| Comments | [Landspout] (GJT) |
| Iem TypeSummary | C |
| Iem City | 1 W Ignacio |
| Iem County | La Plata |
| Iem State | CO |
| Iem Wfo | GJT |
| Iem Remark | Funnel cloud reported west of Ignacio briefly before dissipating. |
| MergedSources | [{"id":"iem_W_37.020_-107.390_1789425000000","source":"iem","severity":"low","severityValue":25,"timestamp":1789425000000,"latitude":37.02,"longitude":-107.39},{"id":"iem_C_37.110_-107.650_1789421400000","source":"iem","severity":"low","severityValue":25,"timestamp":1789421400000,"latitude":37.11,"longitude":-107.65}] |
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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