Right now
The most recent data we hold from NOAA arrived 2 hours 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 11 June 2026 at 01:45 UTC. It is kept here as a record.
It is the 23rd strongest of the 37 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 10 at 8:01PM CDT until June 10 at 8:45PM CDT by NWS Kansas City/Pleasant Hill MO
Nearby, since 16 March 2026
- June 11, 2026 · score 16 · 5.3 km
- May 18, 2026 · score 22 · 11.4 km
- May 17, 2026 · score 22 · 16.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 59 % 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) | 16 / 100 |
| Our confidence | 59% |
| Coordinates | 39.8712, -93.8422 |
| Nearest City | Liberty (85 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-11T01:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8e3b3f222de77700c2a67915711b8938 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Daviess, MO; Grundy, MO; Harrison, MO; Linn, MO; Sullivan, MO; Brown, KS; Adams, IL and 15 more areas |
| Headline | Severe Thunderstorm Warning issued June 10 at 8:01PM CDT until June 10 at 8:45PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-06-10T20:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 18 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8e3b3f222de77700c2a67915711b89389e928fb5.001.1","noaa_urn:oid:2.49.0.1.840.0.759fc0e8d8f3f8e985c949b891b29d7f1cba0c8c.001.1","noaa_urn:oid:2.49.0.1.840.0.f4089277cf90d7c4e5f08dfbdc309a8f8937e0b9.001.1","noaa_urn:oid:2.49.0.1.840.0.218d410ee9727777f69069dc9296f3413e684e62.002.1","noaa_urn:oid:2.49.0.1.840.0.d307420271bda64b4be9a32e5ad284aeb27a0702.001.1","noaa_urn:oid:2.49.0.1.840.0.a802a09f01f17777e78a0802a102eebe1d5278ec.001.1","noaa_urn:oid:2.49.0.1.840.0.a4d3a7a345bcb7c8f14ba85f631d7171014dd0c0.001.1","noaa_urn:oid:2.49.0.1.840.0.a104b27ce3637f1db02984df070425b299bc603e.001.1","noaa_urn:oid:2.49.0.1.840.0.0908b440930827ba5ca2f9019fad7ee47f0f1583.001.1","noaa_urn:oid:2.49.0.1.840.0.fff138e8a9892998d80fddd37d8108c578728d70.001.1","noaa_urn:oid:2.49.0.1.840.0.8a357ab6d21abe3554f043b1a86955633a5d3314.001.1","noaa_urn:oid:2.49.0.1.840.0.07c35966e6e6ba489efad3075a1bc3372910001e.001.1","noaa_urn:oid:2.49.0.1.840.0.47669a94cb3fc848b9e2ccae3d8df31537f63a8e.001.1","noaa_urn:oid:2.49.0.1.840.0.f3ab0a2fd77c64da975fbda73933b04b60ffa0d4.001.1","noaa_urn:oid:2.49.0.1.840.0.a4c804933708090fa8ad7066d2e0960f3adefd82.002.1","noaa_urn:oid:2.49.0.1.840.0.61d9afd34a879409be5f7a5e74fc1a43231f5f2a.001.1","noaa_urn:oid:2.49.0.1.840.0.5cb420b269b30425eda3ffaf1a969f456a18c205.001.1","noaa_urn:oid:2.49.0.1.840.0.bb4d368eec9b7f352c7bb78fc83e623a0fffe264.001.1"] |
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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