Right now
The most recent data we hold from NOAA arrived 14 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 00:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 32 detections recorded within 20 km of this point since 15 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 14 at 6:21PM CDT until September 14 at 7:00PM CDT by NWS Omaha/Valley NE
Nearby, since 15 March 2026
- July 3, 2026 · score 22 · 5.3 km
- August 22, 2026 · score 16 · 13.3 km
- July 31, 2026 · score 16 · 13.3 km
How we know
3 recorded sources include NOAA; 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 v5. 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 | 0.70/1 |
| Coordinates | 39.6852, -98.5476 |
| Nearest City | Hastings (102 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-14T23:21:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.9e4bf0009d9366420fe93884da053b08df36ab5e.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: 2026-09-14T23:21:00.000Z.
First archived: 2026-09-14T23:25:12.695Z. 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 | Douglas, NE; Sarpy, NE; Fillmore, NE; Thayer, NE; Lancaster, NE; Saunders, NE and 3 more areas |
| Headline | Severe Thunderstorm Warning issued September 14 at 6:21PM CDT until September 14 at 7:00PM CDT by NWS Omaha/Valley NE |
| Expires | 2026-09-14T19:00:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9e4bf0009d9366420fe93884da053b08df36ab5e.001.1","noaa_urn:oid:2.49.0.1.840.0.7020c1fc8832298d77c32d6f518ba9e8847e018c.002.1","noaa_urn:oid:2.49.0.1.840.0.351cb268c7c91b21cfd59ce7602990bf6cf36180.001.1","noaa_urn:oid:2.49.0.1.840.0.0f8627008e35cc172c2741165951a25e52d1d0c2.001.1","noaa_urn:oid:2.49.0.1.840.0.4ece3f7232880e14001c5d71b478ab2b84a209a0.001.1","noaa_urn:oid:2.49.0.1.840.0.f4dd16b04aec5c50e490b3f18664758e2329bc1b.001.1"] |
| Spc ReportType | wind |
| Spc Speed | 65 |
| Spc Location | 4 S Nelson |
| Spc County | Nuckolls |
| Spc State | NE |
| Spc Comments | Emergency Manager reports 65mph wind gusts between Nelson and Superior. (GID) |
| Iem TypeSummary | G |
| Iem Magnitude | 61 |
| Iem Unit | MPH |
| Iem City | 1 SW Smith Center |
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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