Right now
The most recent data we hold from SPC arrived 24 minutes ago, and this point is in it.
4 other detections within 20 km in the last 24 hours, the nearest 7 km from here.
Reported by SPC today.
No stronger detection stands among the 118 recorded within 20 km of this point since 24 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind 61 kt near 9 SSW Mud Lake, Jefferson, ID. INL Rover site. (PIH)
Urban PEI: 59,184 within a heuristic 50 km radius; not unique people.
Nearby, since 24 March 2026
- September 17, 2026 · score 32 · 21.1 km
How we know
2 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 32 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 | Medium |
| Calamity Score (ours) | 32 / 100 |
| Legacy data-support index | 0.76/1 |
| Coordinates | 43.7200, -112.5300 |
| Nearest City | Idaho Falls (49 km) |
| Urban exposure index (PEI) | 59.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-17T21:55:00.000Z |
| 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: 2026-09-17T21:55:00.000Z.
First archived: 2026-09-17T23:04:24.509Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-17T23:26:13.372Z · data_change
Index 32 → 32; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 61 |
| Location | 9 SSW Mud Lake |
| County | Jefferson |
| State | ID |
| Comments | INL Rover site. (PIH) |
| Iem TypeSummary | G |
| Iem Magnitude | 47 |
| Iem Unit | MPH |
| Iem City | Atomic City |
| Iem County | Bingham |
| Iem State | ID |
| Iem Wfo | PIH |
| Iem Remark | Mesonet station SOATO Atomic City. |
| MergedSources | [{"id":"iem_N_43.590_-112.650_1789680900000","source":"iem","severity":"low","severityValue":25,"timestamp":1789680900000,"latitude":43.59,"longitude":-112.65},{"id":"iem_G_43.840_-112.420_1789683600000","source":"iem","severity":"low","severityValue":25,"timestamp":1789683600000,"latitude":43.84,"longitude":-112.42},{"id":"iem_G_43.720_-112.530_1789682100000","source":"iem","severity":"low","severityValue":25,"timestamp":1789682100000,"latitude":43.72,"longitude":-112.53},{"id":"iem_G_43.510_-112.890_1789678800000","source":"iem","severity":"low","severityValue":25,"timestamp":1789678800000,"latitude":43.51,"longitude":-112.89},{"id":"iem_G_43.440_-112.820_1789679400000","source":"iem","severity":"low","severityValue":25,"timestamp":1789679400000,"latitude":43.44,"longitude":-112.82}] |
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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