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.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 4 July 2026 at 02:45 UTC. It is kept here as a record.
It is the 44th strongest of the 85 detections recorded within 20 km of this point since 23 April 2026. The last comparable one was on 20 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 8:54PM CDT until July 3 at 9:45PM CDT by NWS Omaha/Valley NE
Nearby, since 23 April 2026
- June 20, 2026 · score 22 · 5.4 km
- September 13, 2026 · score 28 · 8.3 km
- June 14, 2026 · score 16 · 10.4 km
How we know
6 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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 v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 40.0658, -96.6708 |
| Nearest City | Lincoln (82 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-04T01:54:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.fd34a0e0e02e224a9918c54afa319648 |
Physical priority index · v1. 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: 2026-07-04T01:54:00.000Z.
First archived: 2026-07-04T02:03:32.516Z. 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 | Gage, NE; Johnson, NE; Lancaster, NE; Otoe, NE; Clay, KS; Cloud, KS; Marshall, KS; Republic, KS; Riley, KS; Washington, KS |
| Headline | Severe Thunderstorm Warning issued July 3 at 8:54PM CDT until July 3 at 9:45PM CDT by NWS Omaha/Valley NE |
| Expires | 2026-07-03T21:45:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fd34a0e0e02e224a9918c54afa31964841aa5d05.001.1","noaa_urn:oid:2.49.0.1.840.0.3c14fbab2c06f3636e202a28dee301496a458551.002.1"] |
| Iem TypeSummary | T |
| Iem City | 3 NW Hubbell |
| Iem County | Thayer |
| Iem State | NE |
| Iem Wfo | GID |
| MergedSources | [{"id":"iem_C_39.960_-97.460_1783124700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783124700000,"latitude":39.96,"longitude":-97.46},{"id":"iem_H_40.700_-96.390_1783124760000","source":"iem","severity":"low","severityValue":25,"timestamp":1783124760000,"latitude":40.7,"longitude":-96.39},{"id":"iem_H_39.810_-97.240_1783128480000","source":"iem","severity":"low","severityValue":25,"timestamp":1783128480000,"latitude":39.81,"longitude":-97.24},{"id":"iem_H_40.700_-96.710_1783126560000","source":"iem","severity":"low","severityValue":25,"timestamp":1783126560000,"latitude":40.7,"longitude":-96.71},{"id":"iem_T_40.050_-97.540_1783123320000","source":"iem","severity":"low","severityValue":25,"timestamp":1783123320000,"latitude":40.05,"longitude":-97.54}] |
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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