Reported by SPC today.
No stronger detection stands among the 164 recorded within 20 km of this point since 17 May 2026 — 99 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
SPC reported: Hail 275 in near Niobrara, Knox, NE. Report of baseball size hail resulting in vehicle with broken windshield in Niobrara... relayed by EM via NWSChat. Time estimated from radar. (OAX)
Nearby, since 17 May 2026
- May 25, 2026 · score 22 · 14.5 km
- June 29, 2026 · score 16 · 19.7 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 28 out of 100, at 66 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | high |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 66% |
| Coordinates | 42.7500, -98.0300 |
| Nearest City | Norfolk (94 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T00:44:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 275 |
| Location | Niobrara |
| County | Knox |
| State | NE |
| Comments | Report of baseball size hail resulting in vehicle with broken windshield in Niobrara... relayed by EM via NWSChat. Time estimated from radar. (OAX) |
| Iem TypeSummary | H |
| Iem Magnitude | 2.75 |
| Iem Unit | Inch |
| Iem City | Niobrara |
| Iem County | Knox |
| Iem State | NE |
| Iem Wfo | OAX |
| Iem Remark | Report of baseball size hail resulting in vehicle with broken windshield in Niobrara, relayed by EM via NWSChat. Time estimated from radar. |
| MergedSources | [{"id":"iem_H_42.750_-98.030_1788309900000","source":"iem","severity":"low","severityValue":25,"timestamp":1788309900000,"latitude":42.75,"longitude":-98.03},{"id":"iem_H_42.750_-98.030_1788309840000","source":"iem","severity":"low","severityValue":25,"timestamp":1788309840000,"latitude":42.75,"longitude":-98.03}] |
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 10 February 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 28/100 (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.