Right now
The most recent data we hold from NOAA arrived 25 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 8 June 2026 at 14:00 UTC. It is kept here as a record.
It is the 35th strongest of the 107 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 7 June 2026. 18 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 8 at 6:53AM CDT until June 8 at 9:00AM CDT by NWS St Louis MO
Urban PEI: 21,516 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- June 18, 2026 · score 40 · 7.3 km
- June 1, 2026 · score 34 · 8.5 km
- June 8, 2026 · score 34 · 11.4 km
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 | 0.81/1 |
| Coordinates | 39.0118, -93.0798 |
| Nearest City | Sedalia (37 km) |
| Urban exposure index (PEI) | 21.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-08T21:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.506019333eed3dfd2a96f7ba0959171f |
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: 2026-06-08T21:25:00.000Z.
First archived: 2026-06-08T12:59:16.160Z. 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 | Audrain, MO; Boone, MO; Callaway, MO; Moniteau, MO; Boone, MO; Callaway, MO; Cole, MO; Moniteau, MO; Chariton, MO; Howard, MO; Saline, MO and 17 more areas |
| Headline | Flood Warning issued June 8 at 6:53AM CDT until June 8 at 9:00AM CDT by NWS St Louis MO |
| Expires | 2026-06-08T09:00:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 22 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.506019333eed3dfd2a96f7ba0959171fefdddb42.001.1","noaa_urn:oid:2.49.0.1.840.0.ea790569451edfa1dcde7e8eac22a1c1dfc41bd9.001.1","noaa_urn:oid:2.49.0.1.840.0.65f9ab6cf286d7e400a56dbf4a127b9baa50302a.001.1","noaa_urn:oid:2.49.0.1.840.0.f716b71e3c43f9a17edecc8e59657ccfd239ac73.003.1","noaa_urn:oid:2.49.0.1.840.0.f716b71e3c43f9a17edecc8e59657ccfd239ac73.001.1","noaa_urn:oid:2.49.0.1.840.0.ff1f9de37bbe76a95365222443b906dd370ddd8c.003.1","noaa_urn:oid:2.49.0.1.840.0.ff1f9de37bbe76a95365222443b906dd370ddd8c.001.1","noaa_urn:oid:2.49.0.1.840.0.f716b71e3c43f9a17edecc8e59657ccfd239ac73.002.1","noaa_urn:oid:2.49.0.1.840.0.ff1f9de37bbe76a95365222443b906dd370ddd8c.002.1","noaa_urn:oid:2.49.0.1.840.0.59060b6ebdeeb0a516850bd0812b795377c71518.001.1","noaa_urn:oid:2.49.0.1.840.0.c471e2de1e1fc59db3f29e248900ec8e4ffb5b13.001.1","noaa_urn:oid:2.49.0.1.840.0.4410503483725a59b746500706bcea73b66f67c6.002.1","noaa_urn:oid:2.49.0.1.840.0.4410503483725a59b746500706bcea73b66f67c6.001.1","noaa_urn:oid:2.49.0.1.840.0.4410503483725a59b746500706bcea73b66f67c6.003.1","noaa_urn:oid:2.49.0.1.840.0.730c1a8b89449204a94bb788127f66507dd238fd.001.1","noaa_urn:oid:2.49.0.1.840.0.6bbf5be4b2062dea4c00c8960ce660034ba074e4.001.1","noaa_urn:oid:2.49.0.1.840.0.919c4a380f49c1a34c2b0627af44e0c44746fe09.005.1","noaa_urn:oid:2.49.0.1.840.0.919c4a380f49c1a34c2b0627af44e0c44746fe09.003.1","noaa_urn:oid:2.49.0.1.840.0.919c4a380f49c1a34c2b0627af44e0c44746fe09.004.1","noaa_urn:oid:2.49.0.1.840.0.dc5152471fc112d66c656f63137df5e43adf01b3.001.1","noaa_urn:oid:2.49.0.1.840.0.058b04cb2a2579d3a762f16684720d7799754fc0.002.1","noaa_urn:oid:2.49.0.1.840.0.058b04cb2a2579d3a762f16684720d7799754fc0.001.1"] |
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.
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