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.
This alert expired on 9 June 2026 at 12:00 UTC. It is kept here as a record.
What the source measured
NOAA reported: Flash Flood Warning issued June 9 at 3:59AM CDT until June 9 at 7:00AM CDT by NWS Topeka KS
Urban PEI: 80,929 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 39 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) | 39 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 39.0437, -96.6526 |
| Nearest City | Junction City (15 km) |
| Urban exposure index (PEI) | 80.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-09T08:59:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.9b080e8fdf5c55806dbb5fb789769c69 |
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: 2026-06-09T08:59:00.000Z.
First archived: 2026-06-09T10:20:15.086Z. 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 | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Douglas, KS; Jefferson, KS; Dickinson, KS; Geary, KS; Morris, KS; Wabaunsee, KS; Jackson, KS; Jefferson, KS; Shawnee, KS; Wabaunsee, KS and 8 more areas |
| Headline | Flash Flood Warning issued June 9 at 3:59AM CDT until June 9 at 7:00AM CDT by NWS Topeka KS |
| Expires | 2026-06-09T07:00:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9b080e8fdf5c55806dbb5fb789769c690d2e024a.001.1","noaa_urn:oid:2.49.0.1.840.0.697e358c8f1f5d90cd6c0cf2adf36bf7ce977b80.001.1","noaa_urn:oid:2.49.0.1.840.0.c41d9ed98b9b8751eefa5b5405593a92da96613d.001.1","noaa_urn:oid:2.49.0.1.840.0.1a39158abd117fe91478d5534e90a16a4093a5a5.001.1","noaa_urn:oid:2.49.0.1.840.0.61ace6158c23cf961c33fa338dabf5cd0b53df4d.001.1","noaa_urn:oid:2.49.0.1.840.0.8d672ab6a7a1661e0767f1e9e63aadbdb23b9108.001.1","noaa_urn:oid:2.49.0.1.840.0.588d08a98da60da1a154134d56abf18ec296d540.001.1","noaa_urn:oid:2.49.0.1.840.0.60346f1f49060d78c5d2714ac37ffd3f8dc8625d.001.1","noaa_urn:oid:2.49.0.1.840.0.676c80880b7fc99210cf4c622f85e8e5100119fb.001.1","noaa_urn:oid:2.49.0.1.840.0.3ee86fdb55c62ca874b87d3b7b650aa3d317df1f.001.1","noaa_urn:oid:2.49.0.1.840.0.2660f06eb01bf7cd745ccf60ee10e7f9af791299.001.1"] |
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 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 near Junction City?