Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
3 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 12 September 2026 at 15:00 UTC. It is kept here as a record.
It is the 25th strongest of the 43 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 12 at 9:44AM CDT until September 12 at 10:00AM CDT by NWS Omaha/Valley NE
Nearby, since 16 March 2026
- May 16, 2026 · score 43 · 13.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 16 out of 100, at 67 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 67% |
| Coordinates | 40.6133, -97.2300 |
| Nearest City | Lincoln (52 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-12T14:44:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.cec4c64cf69d75f0a6b3ea5ebb0d39ab60e9e880.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Saline, NE; Seward, NE |
| Headline | Severe Thunderstorm Warning issued September 12 at 9:44AM CDT until September 12 at 10:00AM CDT by NWS Omaha/Valley NE |
| Expires | 2026-09-12T10:00:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.8 |
| Iem Unit | Inch |
| Iem City | Geneva |
| Iem County | Fillmore |
| Iem State | NE |
| Iem Wfo | GID |
| Iem Remark | Report of nickel size hail in Geneva. From X. Time estimated from radar. |
| MergedSources | [{"id":"iem_H_40.500_-97.960_1789221600000","source":"iem","severity":"low","severityValue":25,"timestamp":1789221600000,"latitude":40.5,"longitude":-97.96},{"id":"iem_H_40.520_-98.050_1789221000000","source":"iem","severity":"low","severityValue":25,"timestamp":1789221000000,"latitude":40.52,"longitude":-98.05},{"id":"iem_H_40.530_-97.610_1789222500000","source":"iem","severity":"low","severityValue":25,"timestamp":1789222500000,"latitude":40.53,"longitude":-97.61}] |
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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