This alert expired on 13 August 2026 at 08:37 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 17 May 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued August 13 at 3:28AM CDT until August 13 at 3:30AM CDT by NWS Omaha/Valley NE
An estimated 47,163 people live within 50 km of this point.
Nearby, since 17 May 2026
- July 31, 2026 · score 34 · 6.7 km
- July 31, 2026 · score 34 · 21.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 58 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 80% |
| Coordinates | 41.7362, -96.9875 |
| Nearest City | Columbus (47 km) |
| Population Exposed | 47.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-13T08:28:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Colfax, NE; Cuming, NE; Dodge, NE |
| Headline | Tornado Warning issued August 13 at 3:28AM CDT until August 13 at 3:30AM CDT by NWS Omaha/Valley NE |
| Expires | 2026-08-13T03:37:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 58/100, near Columbus (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.