Right now
The most recent data we hold from NOAA arrived 2 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 1 June 2026 at 08:00 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 16 March 2026 — 10 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 1 at 2:24AM CDT until June 1 at 3:00AM CDT by NWS Omaha/Valley NE
An estimated 604,158 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 13, 2026 · score 48 · 12.0 km
- April 23, 2026 · score 48 · 12.1 km
- September 7, 2026 · score 41 · 21.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 85 % 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) | 48 / 100 |
| Our confidence | 85% |
| Coordinates | 41.2888, -95.3510 |
| Nearest City | Council Bluffs (43 km) |
| Population Exposed | 604.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T07:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b28589e6feedf93bea2dc055e28b1ccf |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Pottawattamie, IA |
| Headline | Severe Thunderstorm Warning issued June 1 at 2:24AM CDT until June 1 at 3:00AM CDT by NWS Omaha/Valley NE |
| Expires | 2026-06-01T03:00:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b28589e6feedf93bea2dc055e28b1ccf3943cdc5.001.1","noaa_urn:oid:2.49.0.1.840.0.4d73b8ac822ce69a1db5a17db2eb900a5177b771.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Woodbine |
| Iem County | Harrison |
| Iem State | IA |
| Iem Wfo | OAX |
| MergedSources | [{"id":"iem_H_41.740_-95.710_1780289760000","source":"iem","severity":"low","severityValue":25,"timestamp":1780289760000,"latitude":41.74,"longitude":-95.71}] |
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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