Right now
The most recent data we hold from NOAA arrived 2 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 6 June 2026 at 04:52 UTC. It is kept here as a record.
It is the 12th strongest of the 55 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 June 5 at 11:42PM CDT until June 5 at 11:45PM CDT by NWS Omaha/Valley NE
Nearby, since 16 March 2026
- June 11, 2026 · score 46 · 24.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 40.9590, -95.1872 |
| Nearest City | Bellevue (62 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-06T04:42:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c68f9bd11798056b99eb8cfa0197bfbf |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Montgomery, IA; Marion, IA; Atchison, MO and 9 more areas |
| Headline | Severe Thunderstorm Warning issued June 5 at 11:42PM CDT until June 5 at 11:45PM CDT by NWS Omaha/Valley NE |
| Expires | 2026-06-05T23:52:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c68f9bd11798056b99eb8cfa0197bfbf69327d3e.001.1","noaa_urn:oid:2.49.0.1.840.0.1f4b4f6fd913cda6e361499d177fbe65aa9ebc53.001.1","noaa_urn:oid:2.49.0.1.840.0.59240832b34e5d9a27f9e016153c778e33356900.001.1","noaa_urn:oid:2.49.0.1.840.0.1894a9552158eed1073f8bc76e446846809c943c.001.1","noaa_urn:oid:2.49.0.1.840.0.7e0d44af4e706f4f6f27e3f56acd53f859689e8d.001.1","noaa_urn:oid:2.49.0.1.840.0.a42a0deb4ab9df6101d0a905e2a375f8c5921292.001.1","noaa_urn:oid:2.49.0.1.840.0.8888fae9418394c123df1d0f0c490ca95a461e25.001.1","noaa_urn:oid:2.49.0.1.840.0.f0390cc4fa41241dc24e8443964ef594d2330a2e.001.1","noaa_urn:oid:2.49.0.1.840.0.a941cbf3824d9257e0663946a9aeb638993af8ec.001.1","noaa_urn:oid:2.49.0.1.840.0.2f0b872847c9d90c4c49b3b8a60b7dab8d2d54ff.001.1","noaa_urn:oid:2.49.0.1.840.0.b6e52ee7206224a819b6dbeef39b2e832d9f122c.001.1","noaa_urn:oid:2.49.0.1.840.0.822f3f20593c8c2ba36df011f20ed710affaae9c.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.
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