Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

LucasUnited 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.

Nothing else has been detected within 20 km in the last 24 hours.

This alert expired on 6 June 2026 at 05:45 UTC. It is kept here as a record.

It is the 6th strongest of the 28 detections recorded within 20 km of this point since 15 April 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 6 at 12:25AM CDT until June 6 at 12:45AM CDT by NWS Des Moines IA

An estimated 15,467 people live within 50 km of this point.

Nearby, since 15 April 2026

How we know

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

Our own score for this event is 34 out of 100, at 80 % 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)34 / 100
Our confidence80%
Coordinates41.0784, -93.3878
Nearest CityIndianola (34 km)
Population Exposed15.5K within 50 km
Impact Tiersignificant
Timestamp2026-06-06T05:25:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ea2dc71bead7a4b2e1886c3186235807

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescLucas, IA; Adair, IA; Adams, IA; Union, IA; Lucas, IA; Mahaska, IA; Marion, IA; Monroe, IA; Wapello, IA and 1 more areas
HeadlineSevere Thunderstorm Warning issued June 6 at 12:25AM CDT until June 6 at 12:45AM CDT by NWS Des Moines IA
Expires2026-06-06T00:45:00-05:00
SenderNameNWS Des Moines IA
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.ea2dc71bead7a4b2e1886c31862358074f2ffb6d.002.1","noaa_urn:oid:2.49.0.1.840.0.c9fa31bafb5284418d58d243db612a1f5b92a79a.002.1","noaa_urn:oid:2.49.0.1.840.0.3bd53ed92936f8850fb5d3701ff32c40a2a043d6.001.1","noaa_urn:oid:2.49.0.1.840.0.fbfd41cf7e435a3fcdd6535de2fc0efd255efb0a.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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