Right now
The most recent data we hold from SPC arrived 9 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Reported by SPC 89 days ago.
What the source measured
SPC reported: Hail 100 in near Willow Hill, Jasper, IL. Report from mPING: Quarter (1.00 in.). (ILX)
How we know
3 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 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) | 28 / 100 |
| Legacy data-support index | 0.58/1 |
| Coordinates | 39.0000, -88.0200 |
| Nearest City | Vincennes (55 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-18T02:42:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v1. 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: 2026-06-18T02:42:00.000Z.
First archived: 2026-06-18T10:58:22.513Z. 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 | 100 |
| Location | Willow Hill |
| County | Jasper |
| State | IL |
| Comments | Report from mPING: Quarter (1.00 in.). (ILX) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Willow Hill |
| Iem County | Jasper |
| Iem State | IL |
| Iem Wfo | ILX |
| Iem Remark | Report from mPING: Quarter (1.00 in.). |
| MergedSources | [{"id":"iem_G_38.760_-87.600_1781758500000","source":"iem","severity":"low","severityValue":25,"timestamp":1781758500000,"latitude":38.76,"longitude":-87.6},{"id":"iem_H_39.000_-88.020_1781750520000","source":"iem","severity":"low","severityValue":25,"timestamp":1781750520000,"latitude":39,"longitude":-88.02}] |
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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