Right now
The most recent data we hold from NOAA arrived 12 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 19 May 2026 at 16:15 UTC. It is kept here as a record.
No stronger detection stands among the 153 recorded within 20 km of this point since 4 April 2026 — 80 others scored the same. Another comparable one was recorded here earlier the same day. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 18 at 11:07PM CDT until May 20 at 10:54PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 129,330 people live within 50 km of this point.
Nearby, since 4 April 2026
- June 16, 2026 · score 43 · 6.8 km
- June 17, 2026 · score 43 · 11.6 km
- June 18, 2026 · score 43 · 12.1 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 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 | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 39.1865, -91.9575 |
| Nearest City | Columbia (42 km) |
| Population Exposed | 129.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-20T18:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.1c61d0bbc649d5a35d2065be5968a0bc |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Andrew, MO; Nodaway, MO; Daviess, MO; Gentry, MO; Atchison, MO; Holt, MO; Nodaway, MO and 47 more areas |
| Headline | Flood Warning issued May 18 at 11:07PM CDT until May 20 at 10:54PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-05-19T11:15:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 54 |
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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 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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.