Calamity
MediumSevere WeatherCalamity Score: 37

Severe Weather in United States

CassUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 9 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

6 other detections within 20 km in the last 24 hours, the nearest 8 km from here.

This alert expired on 7 September 2026 at 02:30 UTC. It is kept here as a record.

It is the 40th strongest of the 115 detections recorded within 20 km of this point since 2 April 2026. Another comparable one was recorded here earlier the same day.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued September 6 at 8:56PM CDT until September 6 at 9:30PM CDT by NWS Kansas City/Pleasant Hill MO

An estimated 158,563 people live within 50 km of this point.

Nearby, since 2 April 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 37 out of 100, at 85 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)37 / 100
Our confidence85%
Coordinates38.5451, -94.0707
Nearest CityWarrensburg (37 km)
Population Exposed158.6K within 50 km
Impact Tiersignificant
Timestamp2026-09-07T01:56:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.674deb7e2ba1a2871aa19a3de72c254b1b001749.001.1

Score Breakdown

35
intensity
70
population
0
cascading
18
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBates, MO; Henry, MO; St. Clair, MO; Caldwell, MO; Clay, MO; Clinton, MO; Jackson, MO; Ray, MO
HeadlineSevere Thunderstorm Warning issued September 6 at 8:56PM CDT until September 6 at 9:30PM CDT by NWS Kansas City/Pleasant Hill MO
Expires2026-09-06T21:30:00-05:00
SenderNameNWS Kansas City/Pleasant Hill MO
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.674deb7e2ba1a2871aa19a3de72c254b1b001749.001.1","noaa_urn:oid:2.49.0.1.840.0.102e22691bd729fbcdb388a078b9fa6329ed5d47.001.1","noaa_urn:oid:2.49.0.1.840.0.b0eeda8d4ed353343e24156e4383ce7e75cdf5f0.001.1"]
Spc ReportTypewind
Spc SpeedUNK
Spc Location2 W Raymore
Spc CountyCass
Spc StateMO
Spc CommentsPower lines down. Time estimated from radar. (EAX)
MergedSources[{"id":"spc_wind_38.80_-94.48_97","source":"spc","severity":"medium","severityValue":45,"timestamp":1788741120000,"latitude":38.8,"longitude":-94.48}]

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 37/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.