This alert expired on 30 August 2026 at 10:30 UTC. It is kept here as a record.
No stronger detection stands among the 31 recorded within 20 km of this point since 15 April 2026 — 10 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 30 at 5:01AM CDT until August 30 at 5:30AM CDT by NWS Omaha/Valley NE
An estimated 22,797 people live within 50 km of this point.
Nearby, since 15 April 2026
- June 13, 2026 · score 34 · 6.9 km
- July 9, 2026 · score 34 · 14.1 km
- August 8, 2026 · score 34 · 17.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 82 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 82% |
| Coordinates | 41.4852, -97.1358 |
| Nearest City | Columbus (20 km) |
| Population Exposed | 22.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-30T10:01:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butler, NE; Colfax, NE; Platte, NE; Butler, NE; Colfax, NE; Dodge, NE; Saunders, NE |
| Headline | Severe Thunderstorm Warning issued August 30 at 5:01AM CDT until August 30 at 5:30AM CDT by NWS Omaha/Valley NE |
| Expires | 2026-08-30T05:30:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.38324f5402cae5d4a0c87350f51fab6f86414fa5.001.1","noaa_urn:oid:2.49.0.1.840.0.09839984093387e058bccaa022248b553afd3b49.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 34/100, near Columbus (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.