Right now
The most recent data we hold from SPC arrived 3 hours ago, and this point is in it.
25 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
Reported by SPC today.
No stronger detection stands among the 46 recorded within 20 km of this point since 2 April 2026 — 20 others scored the same. The last comparable one was on 11 September 2026. One more was recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 250 in near 1 NNE Rose, Bingham, ID. Photo of tennis ball sized hail. Report via Facebook. (PIH)
Urban PEI: 113,625 within a heuristic 50 km radius; not unique people.
Nearby, since 2 April 2026
- September 18, 2026 · score 49 · 4.2 km
- September 18, 2026 · score 49 · 7.8 km
- May 13, 2026 · score 43 · 18.2 km
How we know
2 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 49 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) | 49 / 100 |
| Legacy data-support index | 0.77/1 |
| Coordinates | 43.2600, -112.3200 |
| Nearest City | Idaho Falls (33 km) |
| Urban exposure index (PEI) | 113.6K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-18T02:50:00.000Z |
| 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: 2026-09-18T02:50:00.000Z.
First archived: 2026-09-18T08:35:44.823Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-18T08:46:45.566Z · data_change
Index 49 → 49; severity high → high; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 250 |
| Location | 1 NNE Rose |
| County | Bingham |
| State | ID |
| Comments | Photo of tennis ball sized hail. Report via Facebook. (PIH) |
| Iem TypeSummary | G |
| Iem Magnitude | 54 |
| Iem Unit | MPH |
| Iem City | 6 NW Atomic City |
| Iem County | Butte |
| Iem State | ID |
| Iem Wfo | PIH |
| Iem Remark | Mesonet station 3699 D6 INL Puzzle US-20/US-26. |
| 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_H_43.260_-112.320_1789699800000","source":"iem","severity":"low","severityValue":25,"timestamp":1789699800000,"latitude":43.26,"longitude":-112.32},{"id":"iem_G_43.510_-112.890_1789678800000","source":"iem","severity":"low","severityValue":25,"timestamp":1789678800000,"latitude":43.51,"longitude":-112.89}] |
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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