Right now
The most recent data we hold from NOAA arrived 4 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 31 July 2026 at 01:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 18 detections recorded within 20 km of this point since 27 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 30 at 7:26PM CDT until July 30 at 8:15PM CDT by NWS North Platte NE
Nearby, since 27 April 2026
- July 30, 2026 · score 34 · 8.1 km
How we know
4 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 | 0.71/1 |
| Coordinates | 41.2937, -100.1729 |
| Nearest City | North Platte (54 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-31T00:26:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c808b525ae75648f61736ffb44a5059b |
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: 2026-07-31T00:26:00.000Z.
First archived: 2026-07-31T00:27:38.250Z. 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 | Custer, NE; Lincoln, NE; Logan, NE |
| Headline | Severe Thunderstorm Warning issued July 30 at 7:26PM CDT until July 30 at 8:15PM CDT by NWS North Platte NE |
| Expires | 2026-07-30T20:15:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c808b525ae75648f61736ffb44a5059bc0c51e98.001.1","noaa_urn:oid:2.49.0.1.840.0.27138d927f82cb4398cebfdb52c8a6bbfda1401d.001.1","noaa_urn:oid:2.49.0.1.840.0.d8239337d4d766327a0fb241088897799e123e29.002.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 61 |
| Iem Unit | MPH |
| Iem City | 1 NW Stapleton |
| Iem County | Logan |
| Iem State | NE |
| Iem Wfo | LBF |
| Iem Remark | 0.6 NW Stapleton Davis Weatherlink Station. |
| MergedSources | [{"id":"iem_G_41.490_-100.520_1785453600000","source":"iem","severity":"low","severityValue":25,"timestamp":1785453600000,"latitude":41.49,"longitude":-100.52},{"id":"iem_H_41.480_-100.500_1785454800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785454800000,"latitude":41.48,"longitude":-100.5},{"id":"iem_G_41.490_-100.520_1785453000000","source":"iem","severity":"low","severityValue":25,"timestamp":1785453000000,"latitude":41.49,"longitude":-100.52}] |
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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