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 56 detections recorded within 20 km of this point since 15 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 June 13 at 8:39AM CDT until June 13 at 9:00AM CDT by NWS Omaha/Valley NE
An estimated 640,589 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 9, 2026 · score 48 · 7.7 km
- May 18, 2026 · score 48 · 10.5 km
- April 23, 2026 · score 48 · 15.9 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 | 41.1705, -95.8125 |
| Nearest City | Bellevue (7 km) |
| Population Exposed | 640.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-13T13:39:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.795c4bb3a721e26c1ca72bacd90ae392 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Mills, IA; Pottawattamie, IA; Douglas, NE; Sarpy, NE; Washington, NE; Mills, IA; Pottawattamie, IA; Cass, NE; Douglas, NE; Sarpy, NE; Washington, NE |
| Headline | Severe Thunderstorm Warning issued June 13 at 8:39AM 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 |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.795c4bb3a721e26c1ca72bacd90ae392a14d0b04.002.1","noaa_urn:oid:2.49.0.1.840.0.3a6a54a86a95ac12925412b9f80f9e2cbd66a9b2.001.1"] |
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 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 Bellevue?
Calamity.live data shows a weather event with CalamityScore 48/100, near Bellevue (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.