Right now
The most recent data we hold from SPC arrived 81 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by SPC 9 days ago.
No stronger detection stands among the 35 recorded within 20 km of this point since 15 March 2026 — 25 others scored the same. Another comparable one was recorded here earlier the same day. 26 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 125 in near 1 SE Toronto, Deuel, SD. Hail started at 7:05 PM and reached peak size at 7:10 PM... stopped at 7:15 PM. (ABR)
Urban PEI: 23,657 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- September 12, 2026 · score 40 · 0.0 km
How we know
2 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 40 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 40 / 100 |
| Legacy data-support index | 0.74/1 |
| Coordinates | 44.5600, -96.6300 |
| Nearest City | Brookings (31 km) |
| Urban exposure index (PEI) | 23.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-12T00:05:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v4 (historical). 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: 2026-09-12T00:05:00.000Z.
First archived: 2026-09-12T11:32:48.786Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 125 |
| Location | 1 SE Toronto |
| County | Deuel |
| State | SD |
| Comments | Hail started at 7:05 PM and reached peak size at 7:10 PM... stopped at 7:15 PM. (ABR) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 1 SE Toronto |
| Iem County | Deuel |
| Iem State | SD |
| Iem Wfo | ABR |
| Iem Remark | Hail started at 7:05 PM and reached peak size at 7:10 PM, stopped at 7:15 PM. |
| MergedSources | [{"id":"iem_H_44.560_-96.630_1789171500000","source":"iem","severity":"low","severityValue":25,"timestamp":1789171500000,"latitude":44.56,"longitude":-96.63}] |
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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