Right now
The most recent data we hold from NOAA arrived 7 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 1 July 2026 at 05:30 UTC. It is kept here as a record.
It is the 6th strongest of the 11 detections recorded within 20 km of this point since 10 June 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 30 at 11:46PM CDT until July 1 at 12:30AM CDT by NWS North Platte NE
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 |
| Our confidence | 71% |
| Coordinates | 41.8432, -100.9232 |
| Nearest City | North Platte (81 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-01T04:46:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f17dbeb25e1b57fc17d2973b00ba34d3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cherry, NE; Hooker, NE; Logan, NE; McPherson, NE; Thomas, NE; Arthur, NE; Grant, NE; Hooker, NE; McPherson, NE |
| Headline | Severe Thunderstorm Warning issued June 30 at 11:46PM CDT until July 1 at 12:30AM CDT by NWS North Platte NE |
| Expires | 2026-07-01T00:30:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f17dbeb25e1b57fc17d2973b00ba34d319690ad1.001.1","noaa_urn:oid:2.49.0.1.840.0.844ec77fd3bcf5970fd768ad5b378c926485a0e2.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 63 |
| Iem Unit | MPH |
| Iem City | 3 ESE Tryon |
| Iem County | McPherson |
| Iem State | NE |
| Iem Wfo | LBF |
| MergedSources | [{"id":"iem_G_41.590_-101.720_1782878640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782878640000,"latitude":41.59,"longitude":-101.72},{"id":"iem_G_41.530_-100.890_1782881640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782881640000,"latitude":41.53,"longitude":-100.89}] |
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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