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.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 1 June 2026 at 07:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 187 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 19 May 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 1 at 2:00AM CDT until June 1 at 2:45AM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 1,676,673 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 1, 2026 · score 52 · 2.2 km
- July 31, 2026 · score 46 · 6.5 km
- August 6, 2026 · score 46 · 11.0 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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) | 52 / 100 |
| Our confidence | 90% |
| Coordinates | 38.8844, -94.5669 |
| Nearest City | Grandview (3 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Date | 2026-06-01 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.61c0f2d85e4c16f1eff5ddc5f8c7a151 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Chariton, MO; Macon, MO; Randolph, MO; Cass, MO; Clay, MO; Jackson, MO; Lafayette, MO; Allen, KS; Neosho, KS; Wilson, KS; Woodson, KS and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 1 at 2:00AM CDT until June 1 at 2:45AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-06-01T02:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.61c0f2d85e4c16f1eff5ddc5f8c7a1512fc61b34.001.1","noaa_urn:oid:2.49.0.1.840.0.781042ac0c44b11e315ff8ac54044740c6c03ecf.001.1","noaa_urn:oid:2.49.0.1.840.0.1d78e7aa5b8fcc60f39a4346d75e429f80d303ab.001.1","noaa_urn:oid:2.49.0.1.840.0.ceca0e4dcb6abe69603eee5392b7900fcfce9c85.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 2 |
| Iem Unit | Inch |
| Iem City | Trimble |
| Iem County | Clinton |
| Iem State | MO |
| Iem Wfo | EAX |
| Google News RssFeed | weather |
| Google News SourceName | SSBCrack |
| MergedSources | [{"id":"iem_H_39.470_-94.560_1780293060000","source":"iem","severity":"low","severityValue":25,"timestamp":1780293060000,"latitude":39.47,"longitude":-94.56},{"id":"iem_G_39.120_-94.590_1780295880000","source":"iem","severity":"low","severityValue":25,"timestamp":1780295880000,"latitude":39.12,"longitude":-94.59},{"id":"iem_G_39.120_-94.590_1780295640000","source":"iem","severity":"low","severityValue":25,"timestamp":1780295640000,"latitude":39.12,"longitude":-94.59},{"id":"iem_H_39.470_-94.560_1780293300000","source":"iem","severity":"low","severityValue":25,"timestamp":1780293300000,"latitude":39.47,"longitude":-94.56},{"id":"gnews_weather_494525_137","source":"google_news","severity":"medium","severityValue":40,"timestamp":1780292400000,"latitude":39.1,"longitude":-94.58},{"id":"gnews_weather_494522_138","source":"google_news","severity":"medium","severityValue":40,"timestamp":1780280761000,"latitude":39.1,"longitude":-94.58},{"id":"gnews_weather_494522_155","source":"google_news","severity":"medium","severityValue":40,"timestamp":1780281165000,"latitude":39.1,"longitude":-94.58},{"id":"gnews_weather_494526_169","source":"google_news","severity":"medium","severityValue":40,"timestamp":1780296948000,"latitude":39.1,"longitude":-94.58}] |
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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