Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather in United States

CassUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 6 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

7 other detections within 20 km in the last 24 hours, the nearest 7 km from here.

This alert expired on 9 June 2026 at 07:00 UTC. It is kept here as a record.

It is the 10th strongest of the 131 detections recorded within 20 km of this point since 2 April 2026. The last comparable one was on 3 June 2026. 18 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 9 at 1:25AM CDT until June 9 at 2:00AM CDT by NWS Kansas City/Pleasant Hill MO

An estimated 183,819 people live within 50 km of this point.

Nearby, since 2 April 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 43 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)43 / 100
Our confidence81%
Coordinates38.5440, -94.2420
Nearest CityRaymore (34 km)
Population Exposed183.8K within 50 km
Impact Tiersignificant
Timestamp2026-06-09T06:25:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5ea1ee793f2c8960f10aa4ae6fab7036d2651387.001.1

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBates, MO; Cass, MO; Henry, MO; Jackson, MO; Johnson, MO; Lafayette, MO
HeadlineSevere Thunderstorm Warning issued June 9 at 1:25AM CDT until June 9 at 2:00AM CDT by NWS Kansas City/Pleasant Hill MO
Expires2026-06-09T02:00:00-05:00
SenderNameNWS Kansas City/Pleasant Hill MO
HasExactCoordstrue

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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Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.