This alert expired on 24 May 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 73 recorded within 20 km of this point since 12 March 2026 — 43 others scored the same. The last comparable one was on 27 April 2026.
What the source measured
NOAA reported: Flood Warning issued May 22 at 10:43AM CDT until May 25 at 11:30AM CDT by NWS St Louis MO
An estimated 41,443 people live within 50 km of this point.
Nearby, since 12 March 2026
- May 23, 2026 · score 34 · 8.4 km
- June 12, 2026 · score 28 · 9.2 km
- June 24, 2026 · score 34 · 9.6 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, at 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 79% |
| Coordinates | 38.9490, -93.4283 |
| Nearest City | Sedalia (33 km) |
| Population Exposed | 41.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T15:43:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Callaway, MO; Osage, MO; Gasconade, MO; Montgomery, MO; Carroll, MO; Chariton, MO and 6 more areas |
| Headline | Flood Warning issued May 22 at 10:43AM CDT until May 25 at 11:30AM CDT by NWS St Louis MO |
| Expires | 2026-05-23T22:45:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.690c2aee8dcd4d6c11ea7fd1aa14ee3a75e53c6c.002.1","noaa_urn:oid:2.49.0.1.840.0.690c2aee8dcd4d6c11ea7fd1aa14ee3a75e53c6c.001.1","noaa_urn:oid:2.49.0.1.840.0.5e2081bcdc4337cf311b95d0437f05abc22dc7b4.002.1","noaa_urn:oid:2.49.0.1.840.0.5e2081bcdc4337cf311b95d0437f05abc22dc7b4.003.1","noaa_urn:oid:2.49.0.1.840.0.2902488e1120d1b1173a3b401df6227fdafdd1c3.002.1","noaa_urn:oid:2.49.0.1.840.0.2902488e1120d1b1173a3b401df6227fdafdd1c3.001.1","noaa_urn:oid:2.49.0.1.840.0.b1c86ec9a4c64b0d591e449a63fe33097e67a938.001.1","noaa_urn:oid:2.49.0.1.840.0.16e8636972219eeb5e9a1899528e4f97214805a4.001.1","noaa_urn:oid:2.49.0.1.840.0.16e8636972219eeb5e9a1899528e4f97214805a4.002.1","noaa_urn:oid:2.49.0.1.840.0.8165e7d3a61760dbf41760ba16b2a83387264034.004.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 34/100, near Sedalia (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.