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 in it.

3 other detections within 20 km in the last 24 hours, the nearest <1 km from here.

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

It is the 8th strongest of the 19 detections recorded within 20 km of this point since 8 March 2026. Another comparable one was recorded here earlier the same day.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued September 9 at 5:48PM 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 60 % 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 confidence60%
Coordinates38.2551, -94.9197
Nearest CityGardner (62 km)
Impact Tierminor
Timestamp2026-09-09T22:48:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1580d4a2e96930bb0e71e56f30f89b3092b4a963.002.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescMiami, KS; Cass, MO; Cass, MO; Jackson, MO; Johnson, MO; Chautauqua, KS; Elk, KS; Montgomery, KS
HeadlineSevere Thunderstorm Warning issued September 9 at 5:48PM 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:2.49.0.1.840.0.1580d4a2e96930bb0e71e56f30f89b3092b4a963.002.1","noaa_urn:oid:2.49.0.1.840.0.0a9de073857072d4b8aca20b79342258bed0d6ee.002.1","noaa_urn:oid:2.49.0.1.840.0.ce87fba91fd2fab702ea3e5728d21a349c6b30cd.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.

Want to know when something happens in this area?

Share:XLinkedIn