This alert expired on 13 June 2026 at 14:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 93 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 1 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 13 at 8:23AM CDT until June 13 at 9:00AM CDT by NWS Omaha/Valley NE
An estimated 667,063 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 18, 2026 · score 72 · 6.5 km
- July 3, 2026 · score 48 · 12.6 km
- April 23, 2026 · score 48 · 12.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 81 % 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) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 41.3120, -96.0960 |
| Nearest City | Omaha (14 km) |
| Population Exposed | 667.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-13T13:23:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.da3af6ca126b726a11c78106d40e504ce8515002.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Mills, IA; Pottawattamie, IA; Cass, NE; Dodge, NE; Douglas, NE; Sarpy, NE; Saunders, NE; Washington, NE |
| Headline | Severe Thunderstorm Warning issued June 13 at 8:23AM CDT until June 13 at 9:00AM CDT by NWS Omaha/Valley NE |
| Expires | 2026-06-13T09:00:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
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.
Want to know when something happens near Omaha?
Calamity.live data shows a weather event with CalamityScore 48/100, near Omaha (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.