Right now
The most recent data we hold from NOAA arrived 5 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 10 June 2026 at 21:30 UTC. It is kept here as a record.
It is the 12th strongest of the 28 detections recorded within 20 km of this point since 2 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 10 at 3:42PM CDT until June 10 at 4:30PM CDT by NWS Des Moines IA
Nearby, since 2 April 2026
- June 13, 2026 · score 22 · 7.9 km
- August 6, 2026 · score 22 · 20.6 km
- June 12, 2026 · score 22 · 20.6 km
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 v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 40.5849, -93.6596 |
| Nearest City | Indianola (87 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-10T20:42:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2c730695611a33afb9f1299408277305 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Decatur, IA; Lucas, IA; Wayne, IA; Clarke, IA; Lucas, IA; Marion, IA; Monroe, IA; DeKalb, MO; Gentry, MO and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 10 at 3:42PM CDT until June 10 at 4:30PM CDT by NWS Des Moines IA |
| Expires | 2026-06-10T16:30:00-05:00 |
| SenderName | NWS Des Moines IA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2c730695611a33afb9f12994082773058786797a.001.1","noaa_urn:oid:2.49.0.1.840.0.c19c1a5f014ef0b506a21daba5f4473dabd5f46e.001.1","noaa_urn:oid:2.49.0.1.840.0.322d9ca2fad1c87d12891b20884d836be4473e37.001.1","noaa_urn:oid:2.49.0.1.840.0.9a80af7ef710a1b7473d94847e96229e39bbe4cf.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?
Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.