Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

VernonUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 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 4 July 2026 at 18:30 UTC. It is kept here as a record.

No stronger detection stands among the 101 recorded within 20 km of this point since 17 April 2026 — 43 others scored the same. Another comparable one was recorded here earlier the same day. 35 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued July 4 at 12:38PM CDT until July 4 at 1:30PM CDT by NWS Springfield MO

Nearby, since 17 April 2026

How we know

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

Our own score for this event is 22 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 v1. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)22 / 100
Our confidence60%
Coordinates38.0315, -94.1903
Nearest CityPittsburg (82 km)
Impact Tierminor
Timestamp2026-07-04T17:38:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.bd918ddb0911bf49807a7671b590bfd9

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescCedar, MO; St. Clair, MO; Vernon, MO; Bourbon, KS; Vernon, MO; Bates, MO; Cass, MO; Henry, MO; Jackson, MO; Johnson, MO
HeadlineSevere Thunderstorm Warning issued July 4 at 12:38PM CDT until July 4 at 1:30PM CDT by NWS Springfield MO
Expires2026-07-04T13:30:00-05:00
SenderNameNWS Springfield MO
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.bd918ddb0911bf49807a7671b590bfd97ae197c8.001.1","noaa_urn:oid:2.49.0.1.840.0.032c7d7b7da1c140d330079e1518e055b7cdb1f3.001.1","noaa_urn:oid:2.49.0.1.840.0.a0c9bb55593605b18b626495095faba3ed54e363.002.1"]

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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Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.