Right now
The most recent data we hold from SPC arrived 20 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 104 days ago.
It is the 2nd strongest of the 81 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 5 May 2026. 4 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 125 in near 9 WNW Olpe, Lyon, KS. mping report. (TOP)
An estimated 24,649 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 31, 2026 · score 40 · 0.0 km
- June 11, 2026 · score 58 · 8.9 km
- September 9, 2026 · score 28 · 16.9 km
How we know
Confirmed by 3 independent sources, including SPC.
Our own score for this event is 40 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. 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 |
| Our confidence | 80% |
| Coordinates | 38.3200, -96.3200 |
| Nearest City | Emporia (15 km) |
| Population Exposed | 24.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-31T03:08:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 125 |
| Location | 9 WNW Olpe |
| County | Lyon |
| State | KS |
| Comments | mping report. (TOP) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 9 WNW Olpe |
| Iem County | Lyon |
| Iem State | KS |
| Iem Wfo | TOP |
| Iem Remark | mping report. |
| MergedSources | [{"id":"iem_H_38.400_-96.250_1780197300000","source":"iem","severity":"low","severityValue":25,"timestamp":1780197300000,"latitude":38.4,"longitude":-96.25},{"id":"iem_H_38.320_-96.320_1780196880000","source":"iem","severity":"low","severityValue":25,"timestamp":1780196880000,"latitude":38.32,"longitude":-96.32}] |
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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