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 11 June 2026 at 03:45 UTC. It is kept here as a record.
It is the 62nd strongest of the 149 detections recorded within 20 km of this point since 8 March 2026. Another comparable one was recorded here earlier the same day. 35 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 9 at 10:43AM CDT until June 11 at 9:34PM CDT by NWS St Louis MO
Urban PEI: 614,526 within a heuristic 50 km radius; not unique people.
Nearby, since 8 March 2026
- September 10, 2026 · score 41 · 6.0 km
- September 7, 2026 · score 54 · 6.5 km
- June 10, 2026 · score 52 · 8.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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) | 41 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 38.5781, -94.6244 |
| Nearest City | Belton (27 km) |
| Urban exposure index (PEI) | 614.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-10T10:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.5238bb8dc2ef4fc7e44cbc8b53c534c7 |
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: 2026-06-10T10:48:00.000Z.
First archived: 2026-06-09T16:00:07.905Z. 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 | Gasconade, MO; Montgomery, MO; Boone, MO; Callaway, MO; Cole, MO; Moniteau, MO; Franklin, MO; Warren, MO and 24 more areas |
| Headline | Flood Warning issued June 9 at 10:43AM CDT until June 11 at 9:34PM CDT by NWS St Louis MO |
| Expires | 2026-06-10T22:45:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 32 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5238bb8dc2ef4fc7e44cbc8b53c534c7e9323a18.004.1","noaa_urn:oid:2.49.0.1.840.0.5238bb8dc2ef4fc7e44cbc8b53c534c7e9323a18.003.1","noaa_urn:oid:2.49.0.1.840.0.5238bb8dc2ef4fc7e44cbc8b53c534c7e9323a18.002.1","noaa_urn:oid:2.49.0.1.840.0.5238bb8dc2ef4fc7e44cbc8b53c534c7e9323a18.001.1","noaa_urn:oid:2.49.0.1.840.0.5238bb8dc2ef4fc7e44cbc8b53c534c7e9323a18.005.1","noaa_urn:oid:2.49.0.1.840.0.5cb8c6fe88cb90f2a033da9bc4aa309dd82536a0.001.1","noaa_urn:oid:2.49.0.1.840.0.5cb8c6fe88cb90f2a033da9bc4aa309dd82536a0.002.1","noaa_urn:oid:2.49.0.1.840.0.1e94eac20a3c2391db82ee57940352a052008d67.001.1","noaa_urn:oid:2.49.0.1.840.0.fe25e204a5f0ef7f42e13d7ae47846414e4bce9d.001.1","noaa_urn:oid:2.49.0.1.840.0.6021572826a379060840575a5b4b429a5c5911d4.001.1","noaa_urn:oid:2.49.0.1.840.0.6021572826a379060840575a5b4b429a5c5911d4.003.1","noaa_urn:oid:2.49.0.1.840.0.6021572826a379060840575a5b4b429a5c5911d4.002.1","noaa_urn:oid:2.49.0.1.840.0.2427550650f8a5112894483df165ffa3644facd4.001.1","noaa_urn:oid:2.49.0.1.840.0.7b069e1223e537f684f881223aee430e7aea99e5.001.1","noaa_urn:oid:2.49.0.1.840.0.6c41f95cde1e01f8c5f7fb29343bf6389303470a.001.1","noaa_urn:oid:2.49.0.1.840.0.1106df494aa75d557bc70ae2e02a9cfd810fd3af.001.1","noaa_urn:oid:2.49.0.1.840.0.3c6e3db0a9b5a4f4cd4ac4dd318d81bac340e8b2.001.1","noaa_urn:oid:2.49.0.1.840.0.976f9d5e393c6702dbbe302170ff332856384bc2.001.1","noaa_urn:oid:2.49.0.1.840.0.0afd6947a6f2124849eaa3fec101023b09e32128.001.1","noaa_urn:oid:2.49.0.1.840.0.8e072e9a73b4feabda17269304791a3781010efa.001.1","noaa_urn:oid:2.49.0.1.840.0.796c555347b88f9658c992650066942b1549490a.002.1","noaa_urn:oid:2.49.0.1.840.0.6c9906e36370a01bb386073c5a867b9f8e2cd24c.003.1","noaa_urn:oid:2.49.0.1.840.0.6c9906e36370a01bb386073c5a867b9f8e2cd24c.002.1","noaa_urn:oid:2.49.0.1.840.0.6c9906e36370a01bb386073c5a867b9f8e2cd24c.001.1","noaa_urn:oid:2.49.0.1.840.0.6c9906e36370a01bb386073c5a867b9f8e2cd24c.004.1","noaa_urn:oid:2.49.0.1.840.0.9d0f76723a29ed50566fc1fa352c949a90cc7845.001.1","noaa_urn:oid:2.49.0.1.840.0.3bb05743a5931ddfecfc491b5b7df4599f63bf0f.001.1","noaa_urn:oid:2.49.0.1.840.0.1828fdc6e3e528db4f56a275f907b22e71876c32.003.1","noaa_urn:oid:2.49.0.1.840.0.1828fdc6e3e528db4f56a275f907b22e71876c32.004.1","noaa_urn:oid:2.49.0.1.840.0.1828fdc6e3e528db4f56a275f907b22e71876c32.005.1","noaa_urn:oid:2.49.0.1.840.0.d2d4f36991c0738905e3c094ecd52e8444f675aa.001.1","noaa_urn:oid:2.49.0.1.840.0.6acf2b516cfafadf09e1da258b4e24ebcda9c29d.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.
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