Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

LinnUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

3 other detections within 20 km in the last 24 hours, the nearest 3 km from here.

This alert expired on 9 September 2026 at 23:15 UTC. It is kept here as a record.

It is the 5th strongest of the 13 detections recorded within 20 km of this point since 8 March 2026. The last comparable one was on 21 June 2026.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued September 9 at 5:34PM CDT until September 9 at 6:15PM CDT by NWS Kansas City/Pleasant Hill MO

Nearby, since 8 March 2026

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 61 % 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)16 / 100
Our confidence61%
Coordinates38.2376, -95.0028
Nearest CityGardner (64 km)
Impact Tierminor
Timestamp2026-09-09T22:34:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.bc641f884f9ce80fa104b338bc4dc6182e01c116.001.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescMiami, KS; Bates, MO; Cass, MO; Cass, MO; Jackson, MO; Johnson, MO; Lafayette, MO; Chautauqua, KS; Elk, KS; Montgomery, KS
HeadlineSevere Thunderstorm Warning issued September 9 at 5:34PM CDT until September 9 at 6:15PM CDT by NWS Kansas City/Pleasant Hill MO
Expires2026-09-09T18:15:00-05:00
SenderNameNWS Kansas City/Pleasant Hill MO
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.bc641f884f9ce80fa104b338bc4dc6182e01c116.001.1","noaa_urn:oid:2.49.0.1.840.0.5b33f3d2946700984058c8eb12abde7e4aa5f21a.001.1","noaa_urn:oid:2.49.0.1.840.0.56c31cbd719430c227fb2510def9c47d0611cf1d.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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