Right now
The most recent data we hold from NOAA arrived 41 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.
This alert expired on 15 September 2026 at 00:15 UTC. It is kept here as a record.
It is the 11th strongest of the 77 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 9 September 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 14 at 6:44PM CDT until September 14 at 7:15PM CDT by NWS Omaha/Valley NE
Urban PEI: 667,063 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- July 9, 2026 · score 48 · 13.7 km
- July 3, 2026 · score 48 · 14.6 km
- July 28, 2026 · score 43 · 23.0 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 41 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 | Medium |
| Calamity Score (ours) | 41 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 41.0682, -96.1493 |
| Nearest City | Papillion (13 km) |
| Urban exposure index (PEI) | 667.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-14T23:44:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.24022ec442e6a3304d07fc7e17fc5f4f5f18cfc2.001.1 |
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: noaa. Occurrence: 2026-09-14T23:44:00.000Z.
First archived: 2026-09-14T23:46:41.558Z. 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
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cass, NE; Lancaster, NE; Otoe, NE; Cass, NE; Sarpy, NE; Douglas, NE and 1 more areas |
| Headline | Severe Thunderstorm Warning issued September 14 at 6:44PM CDT until September 14 at 7:15PM CDT by NWS Omaha/Valley NE |
| Expires | 2026-09-14T19:15:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.24022ec442e6a3304d07fc7e17fc5f4f5f18cfc2.001.1","noaa_urn:oid:2.49.0.1.840.0.ee7eda50c9c6f922077461908a5e43dba3d00e7d.002.1","noaa_urn:oid:2.49.0.1.840.0.748b0eff04ce572bb7bb705ad5ffbceef88d2bae.002.1","noaa_urn:oid:2.49.0.1.840.0.9e4bf0009d9366420fe93884da053b08df36ab5e.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 ENE Davey |
| Spc County | Lancaster |
| Spc State | NE |
| Spc Comments | 3 to 6 inch diameter branches down. Time estimated from radar. (OAX) |
| Iem TypeSummary | D |
| Iem City | 2 ENE Davey |
| Iem County | Lancaster |
| Iem State | NE |
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.
Review the area, threshold and delivery channel in your account.
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