Calamity
CriticalSevere WeatherCalamity Score: 67

Severe Weather in United States

RayUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 21 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 19 May 2026 at 03:21 UTC. It is kept here as a record.

It is the 6th strongest of the 32 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued May 18 at 10:11PM CDT until May 18 at 10:15PM CDT by NWS Kansas City/Pleasant Hill MO

An estimated 312,528 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

Confirmed by 5 independent sources, including NOAA.

Our own score for this event is 67 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

TypeSevere Weather
SeverityCritical
Calamity Score (ours)67 / 100
Our confidence90%
Coordinates39.2353, -93.8787
Nearest CityBlue Springs (42 km)
Population Exposed312.5K within 50 km
Impact Tiersevere
Timestamp2026-05-19T03:11:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.1b1f146f873c01d1c4d87a409e11e934

Score Breakdown

95
intensity
70
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescCass, MO; Johnson, MO; Carroll, MO; Ray, MO; Caldwell, MO; Carroll, MO; Livingston, MO; Ray, MO
HeadlineTornado Warning issued May 18 at 10:11PM CDT until May 18 at 10:15PM CDT by NWS Kansas City/Pleasant Hill MO
Expires2026-05-18T22:21:00-05:00
SenderNameNWS Kansas City/Pleasant Hill MO
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.1b1f146f873c01d1c4d87a409e11e9346b94d33b.001.1","noaa_urn:oid:2.49.0.1.840.0.2699a37b4c512c294d4fd6d6349fffc5383d234b.001.1","noaa_urn:oid:2.49.0.1.840.0.c442e8b6e37ca32e6159f09bfd36fa6dfe859177.001.1"]
Iem TypeSummaryG
Iem Magnitude66
Iem UnitMPH
Iem City2 NNE Courtney
Iem CountyJackson
Iem StateMO
Iem WfoEAX
Iem RemarkPWS measured 66 mph wind gust.
MergedSources[{"id":"iem_G_38.960_-94.370_1779158940000","source":"iem","severity":"low","severityValue":25,"timestamp":1779158940000,"latitude":38.96,"longitude":-94.37},{"id":"iem_G_39.360_-94.350_1779158160000","source":"iem","severity":"low","severityValue":25,"timestamp":1779158160000,"latitude":39.36,"longitude":-94.35},{"id":"iem_D_39.060_-94.480_1779158100000","source":"iem","severity":"low","severityValue":25,"timestamp":1779158100000,"latitude":39.06,"longitude":-94.48},{"id":"iem_G_39.180_-94.380_1779158700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779158700000,"latitude":39.18,"longitude":-94.38}]

Safety Information

If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.

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 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.