Right now
The most recent data we hold from NOAA arrived 5 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 26 May 2026 at 03:00 UTC. It is kept here as a record.
It is the 33rd strongest of the 111 detections recorded within 20 km of this point since 16 March 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 May 25 at 9:46PM CDT until May 25 at 10:00PM CDT by NWS Omaha/Valley NE
An estimated 24,366 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 26, 2026 · score 34 · 0.0 km
- September 2, 2026 · score 40 · 14.9 km
- June 30, 2026 · score 40 · 24.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 91 % 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) | 34 / 100 |
| Our confidence | 91% |
| Coordinates | 42.1780, -97.7420 |
| Nearest City | Norfolk (31 km) |
| Population Exposed | 24.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-26T02:46:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.905d864654aecd90c83b436b57e99929e02feda2.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Antelope, NE; Pierce, NE |
| Headline | Severe Thunderstorm Warning issued May 25 at 9:46PM CDT until May 25 at 10:00PM CDT by NWS Omaha/Valley NE |
| Expires | 2026-05-25T22:00:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Oakdale |
| Iem County | Antelope |
| Iem State | NE |
| Iem Wfo | OAX |
| MergedSources | [{"id":"iem_G_42.140_-98.020_1779762540000","source":"iem","severity":"low","severityValue":25,"timestamp":1779762540000,"latitude":42.14,"longitude":-98.02},{"id":"iem_H_42.070_-97.970_1779761940000","source":"iem","severity":"low","severityValue":25,"timestamp":1779761940000,"latitude":42.07,"longitude":-97.97}] |
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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