This alert expired on 12 June 2026 at 14:45 UTC. It is kept here as a record.
It is the 4th strongest of the 28 detections recorded within 20 km of this point since 16 March 2026. 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: Flood Watch issued June 11 at 9:42AM CDT until June 13 at 3:00PM CDT by NWS Quad Cities IA IL
An estimated 24,624 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 14, 2026 · score 28 · 11.0 km
- July 21, 2026 · score 28 · 21.8 km
- July 4, 2026 · score 34 · 24.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 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) | 28 / 100 |
| Our confidence | 81% |
| Coordinates | 41.1017, -92.5514 |
| Nearest City | Ottumwa (15 km) |
| Population Exposed | 24.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-13T12:00:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Keokuk; Lucas; Monroe; Wayne; Appanoose; Henry and 1 more areas |
| Headline | Flood Watch issued June 11 at 9:42AM CDT until June 13 at 3:00PM CDT by NWS Quad Cities IA IL |
| Expires | 2026-06-12T09:45:00-05:00 |
| SenderName | NWS Quad Cities IA IL |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8af53219efb2e9db300503f3a64c9d7bcb8140c9.001.1","noaa_urn:oid:2.49.0.1.840.0.26c806a42bc2ce7ce28f15be00b1a57e4ffa99c9.002.1","noaa_urn:oid:2.49.0.1.840.0.9e5b66cb042225e13a8adf0de864481d593ab7dd.001.1","noaa_urn:oid:2.49.0.1.840.0.26c806a42bc2ce7ce28f15be00b1a57e4ffa99c9.001.1"] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 28/100, near Ottumwa (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.