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 03:45 UTC. It is kept here as a record.
It is the strongest of the 31 detections recorded within 20 km of this point since 7 April 2026. The last comparable one was on 19 May 2026.
What the source measured
NOAA reported: Tornado Warning issued June 5 at 9:50PM CDT until June 5 at 10:45PM CDT by NWS Des Moines IA
An estimated 410,067 people live within 50 km of this point.
Nearby, since 7 April 2026
- July 21, 2026 · score 37 · 19.4 km
- September 10, 2026 · score 37 · 21.6 km
- September 9, 2026 · score 37 · 21.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 67 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
| Type | Severe Weather |
| Severity | Critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 80% |
| Coordinates | 41.2550, -93.7300 |
| Nearest City | Indianola (18 km) |
| Population Exposed | 410.1K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-06T02:50:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.69254b73529e6de31434536c282e09ff |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clarke, IA; Madison, IA; Union, IA; Marion, IA; Warren, IA |
| Headline | Tornado Warning issued June 5 at 9:50PM CDT until June 5 at 10:45PM CDT by NWS Des Moines IA |
| Expires | 2026-06-05T22:45:00-05:00 |
| SenderName | NWS Des Moines IA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.69254b73529e6de31434536c282e09ffd53d6e2b.001.1","noaa_urn:oid:2.49.0.1.840.0.322bfd6c0a391dfd179fc28579e30cb0702c405a.001.1"] |
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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