Right now
The most recent data we hold from SPC arrived 9 hours ago, and this point is in it.
12 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by SPC today.
No stronger detection stands among the 67 recorded within 20 km of this point since 17 March 2026 — 38 others scored the same. The last comparable one was on 18 June 2026. 8 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 175 in near 5 W Cairo, Randolph, MO. Social media report. Time estimated from radar. (EAX)
Nearby, since 17 March 2026
- September 16, 2026 · score 28 · 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 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 | 0.53/1 |
| Coordinates | 39.5200, -92.5300 |
| Nearest City | Columbia (66 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-16T00:06:00.000Z |
| 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: 2026-09-16T00:06:00.000Z.
First archived: 2026-09-16T06:59:09.422Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-16T07:58:29.541Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-16T07:53:05.514Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 175 |
| Location | 5 W Cairo |
| County | Randolph |
| State | MO |
| Comments | Social media report. Time estimated from radar. (EAX) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 5 W Cairo |
| Iem County | Randolph |
| Iem State | MO |
| Iem Wfo | EAX |
| Iem Remark | Social media report. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_39.540_-92.670_1789515780000","source":"iem","severity":"low","severityValue":25,"timestamp":1789515780000,"latitude":39.54,"longitude":-92.67},{"id":"iem_H_39.520_-92.530_1789517160000","source":"iem","severity":"low","severityValue":25,"timestamp":1789517160000,"latitude":39.52,"longitude":-92.53}] |
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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