Right now
The most recent data we hold from NOAA arrived 20 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
9 other detections within 20 km in the last 24 hours, the nearest 9 km from here.
This alert expired on 15 September 2026 at 00:45 UTC. It is kept here as a record.
It is the 22nd strongest of the 41 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 14 at 7:20PM CDT until September 14 at 7:45PM CDT by NWS Hastings NE
Urban PEI: 294,757 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 7, 2026 · score 37 · 10.6 km
- June 11, 2026 · score 67 · 11.0 km
- July 4, 2026 · score 43 · 11.2 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 37 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) | 37 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 40.6913, -96.3894 |
| Nearest City | Lincoln (27 km) |
| Urban exposure index (PEI) | 294.8K within 50 km |
| Impact Tier | significant |
| Date | 2026-09-15 — time not reported by the source |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.25d44ac746364bb0dfc8dbbe770c9b5c119326a8.001.1 |
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: 2026-09-15 — time not reported.
First archived: 2026-09-15T00:20:53.522Z. 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 | Nuckolls, NE; Thayer, NE; Fremont, IA; Mills, IA; Cass, NE; Mills, IA; Montgomery, IA; Pottawattamie, IA |
| Headline | Severe Thunderstorm Warning issued September 14 at 7:20PM CDT until September 14 at 7:45PM CDT by NWS Hastings NE |
| Expires | 2026-09-14T19:45:00-05:00 |
| SenderName | NWS Hastings NE |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.25d44ac746364bb0dfc8dbbe770c9b5c119326a8.001.1","noaa_urn:oid:2.49.0.1.840.0.f36fed65200dd1f7ed9f0e6200f7fff6ad6eff15.002.1","noaa_urn:oid:2.49.0.1.840.0.6d6aa3c2363f4cafa9e0c8c10f4eebb778370c40.001.1"] |
| 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) |
| Google News RssFeed | weather |
| Google News SourceName | Lincoln Journal Star |
| MergedSources | [{"id":"spc_wind_40.99_-96.64_24","source":"spc","severity":"medium","severityValue":45,"timestamp":1789431347727,"latitude":40.99,"longitude":-96.64},{"id":"gnews_weather_497061_209","source":"google_news","severity":"medium","severityValue":40,"timestamp":1789421460000,"latitude":41.26,"longitude":-95.94},{"id":"gnews_weather_497062_211","source":"google_news","severity":"medium","severityValue":40,"timestamp":1789423200000,"latitude":40.8,"longitude":-96.67}] |
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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