Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 22 June 2026 at 14:45 UTC. It is kept here as a record.
What the source measured
NOAA reported: Flood Warning issued June 21 at 9:42AM CDT until June 23 at 10:00AM CDT by NWS Kansas City/Pleasant Hill MO
Urban PEI: 41,443 within a heuristic 50 km radius; not unique people.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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 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) | 34 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 38.8451, -93.3097 |
| Nearest City | Sedalia (18 km) |
| Urban exposure index (PEI) | 41.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T10:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.7d6e12ec9c184b0fd000dd97951d38c1 |
Physical priority index · v1. 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: 2026-06-23T10:30:00.000Z.
First archived: 2026-06-21T14:52:11.071Z. 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 | Expected |
| Certainty | Likely |
| AreaDesc | Atchison, KS; Leavenworth, KS; Leavenworth, KS; Atchison, KS and 53 more areas |
| Headline | Flood Warning issued June 21 at 9:42AM CDT until June 23 at 10:00AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-06-22T09:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 65 |
| MergedIds | 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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.
Review the area, threshold and delivery channel in your account.
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