This alert expired on 10 June 2026 at 17:30 UTC. It is kept here as a record.
No stronger detection stands among the 72 recorded within 20 km of this point since 16 March 2026 — 17 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 10 at 11:57AM CDT until June 10 at 12:30PM CDT by NWS Quad Cities IA IL
An estimated 183,666 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 9, 2026 · score 43 · 23.6 km
- July 8, 2026 · score 43 · 24.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 42.1398, -91.7791 |
| Nearest City | Cedar Rapids (18 km) |
| Population Exposed | 183.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-10T16:57:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8c97182fbef1b0e41500dd50bbe16c81 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Buchanan, IA; Linn, IA; Benton, IA; Cedar, IA; Jones, IA; Linn, IA; Benton, IA and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 10 at 11:57AM CDT until June 10 at 12:30PM CDT by NWS Quad Cities IA IL |
| Expires | 2026-06-10T12:30:00-05:00 |
| SenderName | NWS Quad Cities IA IL |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8c97182fbef1b0e41500dd50bbe16c8111510ade.001.1","noaa_urn:oid:2.49.0.1.840.0.90d2c37ed2a35cb56233bd30b1973b929ab6aae5.002.1","noaa_urn:oid:2.49.0.1.840.0.3d59bff29388d77ca43be4cf3c7e182c6d1b5b0e.001.1","noaa_urn:oid:2.49.0.1.840.0.d6caf79462ad9a6d14262be3f4af3a0c3da7d923.002.1","noaa_urn:oid:2.49.0.1.840.0.db25dcd22e71fc3a98919a10146bf29ce0ce8e1f.002.1","noaa_urn:oid:2.49.0.1.840.0.f385698472ab77d72e0b7a05e45f6044051ef074.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Cedar Rapids (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.