Right now
The most recent data we hold from NOAA arrived 23 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 26 June 2026 at 00:00 UTC. It is kept here as a record.
No stronger detection stands among the 176 recorded within 20 km of this point since 15 March 2026 — 59 others scored the same. The last comparable one was on 24 June 2026. 21 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 24 at 10:52AM CDT until June 25 at 7:00PM CDT by NWS St Louis MO
Urban PEI: 73,254 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- March 16, 2026 · score 39 · 8.1 km
- June 27, 2026 · score 39 · 11.0 km
- June 30, 2026 · score 22 · 16.0 km
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 | 0.77/1 |
| Coordinates | 39.4503, -89.0242 |
| Nearest City | Decatur (44 km) |
| Urban exposure index (PEI) | 73.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-25T03:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.5dd51471a326aecca3b9852c5d6b4fef |
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: 2026-06-25T03:00:00.000Z.
First archived: 2026-06-24T22:04:51.409Z. 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 | Pike, IL; Pike, MO; Brown, IL; Pike, IL; Scott, IL and 15 more areas |
| Headline | Flood Warning issued June 24 at 10:52AM CDT until June 25 at 7:00PM CDT by NWS St Louis MO |
| Expires | 2026-06-25T19:00:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 19 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5dd51471a326aecca3b9852c5d6b4fefb306ac39.001.1","noaa_urn:oid:2.49.0.1.840.0.000baf6bac5ff26857aef05d84685819976ca808.002.1","noaa_urn:oid:2.49.0.1.840.0.000baf6bac5ff26857aef05d84685819976ca808.003.1","noaa_urn:oid:2.49.0.1.840.0.000baf6bac5ff26857aef05d84685819976ca808.004.1","noaa_urn:oid:2.49.0.1.840.0.000baf6bac5ff26857aef05d84685819976ca808.001.1","noaa_urn:oid:2.49.0.1.840.0.4f07e82afa441563c9583f5b3c1558afbcd8b2de.001.1","noaa_urn:oid:2.49.0.1.840.0.7a3456cfc169052ea06089dce6bfed5badcb130a.001.1","noaa_urn:oid:2.49.0.1.840.0.625b2d3702bfad77d0d051c8cbbf593f8204f84f.004.1","noaa_urn:oid:2.49.0.1.840.0.625b2d3702bfad77d0d051c8cbbf593f8204f84f.002.1","noaa_urn:oid:2.49.0.1.840.0.625b2d3702bfad77d0d051c8cbbf593f8204f84f.003.1","noaa_urn:oid:2.49.0.1.840.0.625b2d3702bfad77d0d051c8cbbf593f8204f84f.001.1","noaa_urn:oid:2.49.0.1.840.0.159747f64cfda25222970fd6f1caae373f8a11da.001.1","noaa_urn:oid:2.49.0.1.840.0.a6a965d2e964d8d29c7cbefc22430d9b52462745.002.1","noaa_urn:oid:2.49.0.1.840.0.a6a965d2e964d8d29c7cbefc22430d9b52462745.006.1","noaa_urn:oid:2.49.0.1.840.0.a6a965d2e964d8d29c7cbefc22430d9b52462745.005.1","noaa_urn:oid:2.49.0.1.840.0.a6a965d2e964d8d29c7cbefc22430d9b52462745.003.1","noaa_urn:oid:2.49.0.1.840.0.a6a965d2e964d8d29c7cbefc22430d9b52462745.004.1","noaa_urn:oid:2.49.0.1.840.0.a6a965d2e964d8d29c7cbefc22430d9b52462745.001.1","noaa_urn:oid:2.49.0.1.840.0.868855c46292d55fef3360771b21df39183c9579.001.1"] |
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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