Right now
The most recent data we hold from NOAA arrived 22 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
30 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 13 August 2026 at 11:00 UTC. It is kept here as a record.
No stronger detection stands among the 46 recorded within 20 km of this point since 16 March 2026 — 5 others scored the same. 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 August 13 at 5:09AM CDT until August 13 at 6:00AM CDT by NWS Des Moines IA
Nearby, since 16 March 2026
- September 6, 2026 · score 16 · 11.7 km
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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 41.8545, -95.3239 |
| Nearest City | Council Bluffs (80 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-13T10:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8a227ec67f02e90f15404d2787759928 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Audubon, IA; Carroll, IA; Crawford, IA; Greene, IA; Guthrie, IA; Harrison, IA; Shelby, IA; Crawford, IA |
| Headline | Severe Thunderstorm Warning issued August 13 at 5:09AM CDT until August 13 at 6:00AM CDT by NWS Des Moines IA |
| Expires | 2026-08-13T06:00:00-05:00 |
| SenderName | NWS Des Moines IA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8a227ec67f02e90f15404d2787759928f75b4a1b.001.1","noaa_urn:oid:2.49.0.1.840.0.f1c37b22aa28ee06e7d194fbdfdfdb21fa7e0ace.002.1","noaa_urn:oid:2.49.0.1.840.0.e23caef12c76e507fc08ea1736c16364e7686f59.001.1"] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.