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 18 September 2026 at 14:45 UTC. It is kept here as a record.
It is the 27th strongest of the 45 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 16 September 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued September 17 at 9:43AM CDT until September 20 at 4:36AM CDT by NWS Kansas City/Pleasant Hill MO
Nearby, since 17 March 2026
- June 22, 2026 · score 22 · 0.0 km
- May 19, 2026 · score 46 · 13.1 km
- September 15, 2026 · score 28 · 13.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Legacy data-support index | 0.61/1 |
| Coordinates | 39.6433, -93.3450 |
| Nearest City | Kirksville (89 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-18T11:24:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.debe1619d3f21dff76f6b6ffc9f1f5298fca253c.001.1 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-09-18T11:24:00.000Z.
First archived: 2026-09-17T14:45:26.379Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Carroll, MO; Chariton, MO; Linn, MO; Livingston, MO |
| Headline | Flood Warning issued September 17 at 9:43AM CDT until September 20 at 4:36AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-09-18T09:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
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.
Review the area, threshold and delivery channel in your account.
Want to know when something happens in this area?