Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 11 June 2026 at 23:00 UTC. It is kept here as a record.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 5:03PM CDT until June 11 at 6:00PM CDT by NWS Kansas City/Pleasant Hill MO
Urban PEI: 21,516 within a heuristic 50 km radius; not unique people.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 28 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 38.9400, -93.1562 |
| Nearest City | Sedalia (27 km) |
| Urban exposure index (PEI) | 21.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T22:03:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c144c6eab6b5cfa252bb8d64f4406bdf |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-11T22:03:00.000Z.
First archived: 2026-06-11T22:08:58.146Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cooper, MO; Howard, MO; Pettis, MO; Saline, MO; Shelby, MO; Bates, MO; Cass, MO; Henry, MO and 5 more areas |
| Headline | Severe Thunderstorm Warning issued June 11 at 5:03PM CDT until June 11 at 6:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-06-11T18:00:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c144c6eab6b5cfa252bb8d64f4406bdf2a42a4d6.001.1","noaa_urn:oid:2.49.0.1.840.0.43eb7b762706987e5394f6581378fbacb308f747.001.1","noaa_urn:oid:2.49.0.1.840.0.6938f3c20d7e4dae982a38b958e73a76d9d50bca.001.1","noaa_urn:oid:2.49.0.1.840.0.e1a735e080e32a2c546012f32d7ca4228e4e03dc.001.1","noaa_urn:oid:2.49.0.1.840.0.82800770c448940b3e2a8f7e7d355b047ace456b.001.1","noaa_urn:oid:2.49.0.1.840.0.0dc46bcd5c7405d275e4e34b80516387ff05e8d3.001.1","noaa_urn:oid:2.49.0.1.840.0.8e5de4b71a5130ae55f02574d05fe10f5d696109.001.1","noaa_urn:oid:2.49.0.1.840.0.f633054914253592ce455abcddb14124ac83fec4.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
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